Method for joining panel

Abstract

To provide a method for joining panels with excellent workability.SOLUTION: In a method for joining panels 10 of the present invention, a first groove-shaped recess 11a is formed on a first panel outer surface 11s of a first panel 11, a second groove-shaped recess 12a is formed on a second panel outer surface 12s of a second panel 12 that is joined to be adjacent to the first panel 11, a joining member 20 has a first ridge-shaped protrusion 21a that engages with the first groove-shaped recess 11a and a second ridge-shaped protrusion 22a that engages with the second groove-shaped recess 12a, the first ridge-shaped protrusion 21a engages with the first groove-shaped recess 11a, the second ridge-shaped protrusion 22a engages with the second groove-shaped recess 12a, and the first panel 11 and the second panel 12 are joined to thereby assemble the panels 10 into a wall-like shape.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a panel joining method for joining a plurality of panels together using a joining member. [Background technology]

[0002] Background Art Generally, battens are used to join form panels used in construction when pouring concrete (Patent Documents 1 to 3). Although crosspieces are sometimes used to increase the rigidity of form panels, when the rigidity of form panels is ensured by fastening them with pipe material, the crosspieces only function to temporarily fix the form panels. Not only is the hammering of nails required to attach the battens a heavy burden, but the bulk of the formwork panels with battens attached makes them difficult to transport and store. In addition, the task of removing the nails is also a heavy burden, and most of the battens end up being scrapped after construction. Incidentally, Patent Documents 4 and 5 propose joining members for connecting form panels. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2004-27766 A [Patent Document 2] JP 2010-31463 A [Patent Document 3] JP 2010-126934 A [Patent Document 4] Japanese Patent Application Publication No. 09-209568 [Patent Document 5] Utility Model Registration No. 3219733 Summary of the Invention [Problem to be solved by the invention]

[0004] However, while the joining members proposed in Patent Documents 4 and 5 can perform reliable joining, they impose a heavy workload on the joinder.

[0005] Therefore, an object of the present invention is to provide a panel joining method that is easy to work with. [Means for solving the problem]

[0006] The method for joining panels 10 according to the present invention described in claim 1 is a method for joining a plurality of panels 10 using a joining member 20 to form a formwork panel used in construction when pouring concrete, a partition panel for dividing a space 2, or a wall panel or a ceiling panel for a temporary building, in which a first groove-shaped recess 11a is formed on a first panel outer surface 11s of a first panel 11, and a second panel 12 of a second panel 12 joined adjacent to the first panel 11 is formed on a first panel outer surface 11s of the first panel 11. a second groove-shaped recess 12a is formed on an outer surface 12s of the panel, and the joining member 20 has a first rib-shaped protrusion 21a that engages with the first groove-shaped recess 11a and a second rib-shaped protrusion 22a that engages with the second groove-shaped recess 12a, and by engaging the first rib-shaped protrusion 21a with the first groove-shaped recess 11a and engaging the second rib-shaped protrusion 22a with the second groove-shaped recess 12a, the first panel 11 and the second panel 12 are joined together and the panel 10 is assembled into a wall shape. The present invention described in claim 2 is characterized in that, in the joining method of panels 10 described in claim 1, the first groove-shaped recess 11a is formed along a side surface of the first panel 11, and the second groove-shaped recess 12a is formed along a side surface of the second panel 12. The present invention described in claim 3 is characterized in that, in the joining method of a panel 10 described in claim 1, the first groove-shaped recess 11a is formed along four side surfaces of the first panel 11, and the second groove-shaped recess 12a is formed along four side surfaces of the second panel 12. The present invention described in claim 4 is characterized in that, in the method of joining panels 10 described in claim 1, the first panel 11 and the second panel 12 are butted together perpendicularly so that the first groove-shaped recess 11a and the second groove-shaped recess 12a are positioned on the surface of the interior angle, and the joining members 20B, 20G are positioned at the interior angle of the joint between the first panel 11 and the second panel 12. The present invention described in claim 5 is characterized in that, in the method of joining panels 10 described in claim 1, the first panel 11 and the second panel 12 are butted together perpendicularly so that the first groove-shaped recess 11a and the second groove-shaped recess 12a are positioned on the outer corner surface, and the joining members 20A, 20C, and 20E are positioned at the outer corner of the joint between the first panel 11 and the second panel 12. The present invention described in claim 6 is characterized in that, in the joining method of a panel 10 described in claim 1, the joining member 20 has a one-side joining member 21 that forms the first rib-shaped protrusion 21a, an other-side joining member 22 that forms the second rib-shaped protrusion 22a, and a displacement member 23 that is arranged in a sliding space 24a formed in the one-side joining member 21, and by displacing the displacement member 23 relative to the sliding space 24a, the other-side joining member 22 is displaced relative to the one-side joining member 21, and the first rib-shaped protrusion 21a and the second rib-shaped protrusion 22a move closer to and away from each other. The present invention described in claim 7 is characterized in that, in the joining method of a panel 10 described in claim 1, the joining member 20 has a one-side joining member 21 that forms the first rib-shaped protrusion 21a, an other-side joining member 22 that forms the second rib-shaped protrusion 22a, a joining member main body 24 that holds the one-side joining member 21 and the other-side joining member 22, and a displacement member 23 that is arranged in a sliding space 24a formed in the joining member main body 24, and by displacing the displacement member 23 relative to the sliding space 24a, the one-side joining member 21 and the other-side joining member 22 are displaced relative to the joining member main body 24, and the first rib-shaped protrusion 21a and the second rib-shaped protrusion 22a are moved closer to and away from each other. The present invention described in claim 8 is characterized in that, in the joining method of a panel 10 described in claim 1, the joining member 20 has a one-side joining member 21 that forms the first ridge-like protrusion 21a and an other-side joining member 22 that forms the second ridge-like protrusion 22a, and by displacing the one-side joining member 21 relative to the other-side joining member 22, the first ridge-like protrusion 21a and the second ridge-like protrusion 22a are moved closer to and away from each other. The present invention as set forth in claim 9 relates to the method for joining a panel 10 as set forth in claim 1, wherein the joining member 20E includes a one-side joining member 21 in which the first rib-like protrusion 21a is disposed, and an other-side joining member 22 in which the second rib-like protrusion 22a is disposed, the one-side joining member 21 forms a one-side rib-like protrusion sliding space 21f, the other-side joining member 22 forms an other-side rib-like protrusion sliding space 22f, a one-side rib-like protrusion displacement member 21g is disposed in the one-side rib-like protrusion sliding space 21f, A other-side rib-like protrusion displacement member 22g is arranged in the other-side rib-like protrusion sliding space 22f, and by displacing the one-side rib-like protrusion displacement member 21g relative to the one-side rib-like protrusion sliding space 21f, the first rib-like protrusion 21a protrudes from the one-side rib-like protrusion sliding space 21f, and by displacing the other-side rib-like protrusion displacement member 22g relative to the other-side rib-like protrusion sliding space 22f, the second rib-like protrusion 22a protrudes from the other-side rib-like protrusion sliding space 22f. The present invention described in claim 10 is characterized in that, in the joining method of a panel 10 described in claim 9, a one-side elastic member 21h is arranged in the one-side ridge-shaped protrusion sliding space 21f, and an other-side elastic member 22h is arranged in the other-side ridge-shaped protrusion sliding space 22f, the one-side elastic member 21h and the other-side elastic member 22h have a pair of protruding pieces 22i, and when the first ridge-shaped protrusion 21a protrudes from the one-side ridge-shaped protrusion sliding space 21f, the pair of protruding pieces 21i of the one-side elastic member 21h extend on both sides of the first ridge-shaped protrusion 21a, and when the second ridge-shaped protrusion 22a protrudes from the other-side ridge-shaped protrusion sliding space 22f, the pair of protruding pieces 22i of the other-side elastic member 22h extend on both sides of the second ridge-shaped protrusion 22a. The present invention described in claim 11 is characterized in that, in the joining method of a panel 10 described in claim 1, the joining member 20F has a one-side joining member 21 on which the first rib-like protrusion 21a is arranged, and an other-side joining member 22 on which the second rib-like protrusion 22a is arranged, a one-side rib-like protrusion sliding space 21f is formed in the one-side joining member 21, a one-side rib-like protrusion displacement member 21g is arranged in the one-side rib-like protrusion sliding space 21f, and the one-side rib-like protrusion displacement member 21g is displaced relative to the one-side rib-like protrusion sliding space 21f, so that the first rib-like protrusion 21a protrudes from the one-side rib-like protrusion sliding space 21f. The present invention described in claim 12 is characterized in that, in the joining method of a panel 10 described in claim 11, a one-side elastic member 21h is arranged in the one-side ridge-shaped protrusion sliding space 21f, the one-side elastic member 21h has a pair of protruding pieces 21i, and when the first ridge-shaped protrusion 21a protrudes from the one-side ridge-shaped protrusion sliding space 21f, the pair of protruding pieces 21i of the one-side elastic member 21h extend on both sides of the first ridge-shaped protrusion 21a. The present invention as set forth in claim 13 is characterized in that in the method for joining panels 10 as set forth in claim 9 or 11, the one-side joining member 21 and the other-side joining member 22 are provided rotatable at a predetermined angle. The present invention as set forth in claim 14 relates to the method for joining a panel 10 as set forth in claim 1, wherein the joining member 20G forms a one-side rib-like-protrusion sliding space 21f in which the first rib-like protrusion 21a is disposed, and forms an other-side rib-like-protrusion sliding space 22f in which the second rib-like protrusion 22a is disposed, and a one-side rib-like-protrusion displacement member 21g is disposed in the one-side rib-like-protrusion sliding space 21f, and an other-side rib-like-protrusion displacement member 21g is disposed in the other-side rib-like-protrusion sliding space 22f. By positioning a member 22g and displacing the one-side ridge-shaped protrusion displacement member 21g relative to the one-side ridge-shaped protrusion sliding space 21f, the first ridge-shaped protrusion 21a protrudes from the one-side ridge-shaped protrusion sliding space 21f, and by displacing the other-side ridge-shaped protrusion displacement member 22g relative to the other-side ridge-shaped protrusion sliding space 22f, the second ridge-shaped protrusion 22a protrudes from the other-side ridge-shaped protrusion sliding space 22f. The present invention described in claim 15 is characterized in that, in the joining method of a panel 10 described in claim 14, a one-side elastic member 21h is arranged in the one-side ridge-shaped protrusion sliding space 21f, and a other-side elastic member 22h is arranged in the other-side ridge-shaped protrusion sliding space 22f, the one-side elastic member 21h and the other-side elastic member 22h have a pair of protruding pieces 21i, 22i, and when the first ridge-shaped protrusion 21a protrudes from the one-side ridge-shaped protrusion sliding space 21f, the pair of protruding pieces 21i of the one-side elastic member 21h extend on both sides of the first ridge-shaped protrusion 21a, and when the second ridge-shaped protrusion 22a protrudes from the other-side ridge-shaped protrusion sliding space 22f, the pair of protruding pieces 22i of the other-side elastic member 22h extend on both sides of the second ridge-shaped protrusion 22a. The present invention described in claim 16 is characterized in that, in the joining method of a panel 10 described in claim 1, there is provided a foot fixing device 50A for fixing the first panel 11 or the second panel 12 to a base 1, and the foot fixing device 50A has a ridge-like convex portion 51a formed thereon, and the ridge-like convex portion 51a is engaged with the first groove-like recess 11a or the second groove-like recess 12a, thereby attaching the foot fixing device 50A to the first panel 11 or the second panel 12. The present invention described in claim 17 is characterized in that, in the joining method of a panel 10 described in claim 16, a ridge-like protrusion sliding space 51f is formed in the foot fixing device 50A, a ridge-like protrusion displacement member 51g is arranged in the ridge-like protrusion sliding space 51f, and the ridge-like protrusion displacement member 51g is displaced relative to the ridge-like protrusion sliding space 51f, so that the ridge-like protrusion 51a protrudes from the ridge-like protrusion sliding space 51f. The present invention described in claim 18 is characterized in that, in the joining method of a panel 10 described in claim 1, it has pressing members 60A, 60B that fix a pipe material 6 to the first panel outer surface 11s or the second panel outer surface 12s, and the pressing members 60A, 60B have a pipe abutment surface 62 that abuts the pipe material 6 and a ridge-like protrusion 61a formed thereon, and the ridge-like protrusion 61a is engaged with the first groove-like recess 11a or the second groove-like recess 12a, thereby attaching the pressing members 60A, 60B to the first panel 11 or the second panel 12. The present invention described in claim 19 is characterized in that, in the joining method of a panel 10 described in claim 18, a ridge-like protrusion sliding space 61f is formed in the pressing members 60A, 60B, a ridge-like protrusion displacement member 61g is arranged in the ridge-like protrusion sliding space 61f, and the ridge-like protrusion displacement member 61g is displaced relative to the ridge-like protrusion sliding space 61f, so that the ridge-like protrusion 61a protrudes from the ridge-like protrusion sliding space 61f. The present invention described in claim 20 is characterized in that, in the joining method of a panel 10 described in claim 17 or claim 19, elastic members 51h, 61h are arranged in the ridge-shaped protrusion sliding spaces 51f, 61f, the elastic members 51h, 61h have a pair of protruding pieces 51i, 61i, and when the ridge-shaped protrusions 51a, 61a protrude from the ridge-shaped protrusion sliding spaces 51f, 61f, the pair of protruding pieces 51i, 61i of the elastic members 51h, 61h extend on both sides of the ridge-shaped protrusions 51a, 61a. The present invention as described in claim 21 is characterized in that, in the method of joining panels 10 as described in claim 1, the second panel 10c is used as a bottom surface, the first panels 10a, 10b are butted perpendicularly to the second panel 10c, the joining member 20N is positioned at the outer corner of the joint between the first panels 10a, 10b and the second panel 10c, a frame member 80 for a support member is attached to a beam under support member 3 that supports the second panel 10c from below, and a joining member holder 91 that holds the joining member 20N is attached to the upper surface of the frame member 80 for the support member. The present invention as recited in claim 22 is characterized in that, in the method of joining panels 10 as recited in claim 21, a pipe material is used as the beam under-support material 3, and the pipe material is inserted into the support material frame member 80 for use. The present invention as set forth in claim 23 is characterized in that, in the method for joining panels 10 as set forth in claim 21, a pipe support holding material 100 for holding the upper end of the pipe support 4 is attached to the underside of the support frame member 80. The present invention as set forth in claim 24 is characterized in that in the method for joining panels 10 as set forth in claim 21, the joining member holder 91 is provided slidably relative to the frame member 80 for receiving member. The present invention as set forth in claim 25 is characterized in that in the method for joining panels 10 as set forth in claim 23, the pipe support holding material 100 is provided slidably relative to the frame member 80 for a support material. A method for joining panels 10 according to the present invention as set forth in claim 26 is a method for joining formwork panels used in construction when pouring concrete, by joining a plurality of panels 10 together using a joining member 20N, wherein a first groove-shaped recess 11a is formed in a first panel outer surface 11s of first panels 10a, 10b, and a second groove-shaped recess 12a is formed in a second panel outer surface 12s of a second panel 10c joined adjacent to the first panels 10a, 10b, the joining member 20N has a first ridge-shaped protrusion 21a that engages with the first groove-shaped recess 11a and a second ridge-shaped protrusion 22a that engages with the second groove-shaped recess 12a, and the first ridge-shaped protrusion 21a is engaged with the first groove-shaped recess 11a. the second ridge-shaped convex portion 22a is engaged with the second groove-shaped concave portion 12a to join the first panels 10a, 10b and the second panel 10c; the panels 10 are assembled into a wall shape; the second panel 10c is used as a bottom surface; the first panels 10a, 10b are butted perpendicularly to the second panel 10c; the joining member 20N is disposed at the outer corner of the joint between the first panels 10a, 10b and the second panel 10c; a support frame member 80 is attached to a beam under support member 3 that supports the second panel 10c from below; and a joining member holder 91 that holds the joining member 20N is attached to the upper surface of the support frame member 80. The present invention as recited in claim 27 is characterized in that, in the method for joining panels 10 as recited in claim 26, a pipe material is used as the beam under-support material 3, and the pipe material is inserted into the support material frame member 80 for use. The present invention as set forth in claim 28 is characterized in that, in the method for joining panels 10 as set forth in claim 26, a pipe support holding material 100 for holding the upper end of the pipe support 4 is attached to the underside of the support frame member 80. The present invention as set forth in claim 29 is characterized in that in the method for joining panels 10 as set forth in claim 26, the joining member holder 91 is provided slidably relative to the frame member 80 for receiving member. The present invention as set forth in claim 30 is characterized in that in the method for joining panels 10 as set forth in claim 26, the pipe support holding material 100 is provided slidably relative to the frame member 80 for receiving material. The method for joining panels 10 according to the present invention as set forth in claim 31 is a method for joining form panels used in construction when pouring concrete, by joining a plurality of panels 10 using joining members 20, in which crosspieces are used as the joining members 20X, the first panels 10a, 10b and the second panel 10c are joined, the panels 10 are assembled into a wall shape, the second panel 10c is used as a bottom surface, the first panels 10a, 10b are butted against the second panel 10c perpendicularly, and the second panel 10c is supported from below. The present invention is characterized in that a frame member 80 for a support material is attached to a beam under support material 3, a pipe material is used as the beam under support material 3 and the pipe material is inserted into the frame member 80 for the support material, a joining member holding material 92 for holding the joining member 20X is attached to the upper surface of the frame member 80 for the support material, a pipe support holding material 100 for holding the upper end of a pipe support 4 is attached to the lower surface of the frame member 80 for the support material, and the joining member holding material 92 and the pipe support holding material 100 are arranged to be slidable relative to the frame member 80 for the support material. Effect of the Invention

[0007] According to the panel joining method of the present invention, the first panel and the second panel are joined by engaging the first rib-like convex portion and the second rib-like convex portion of the joining member with the first groove-like concave portion and the second groove-like concave portion, thereby enabling the panels to be assembled into a wall-like shape, and further, the first rib-like convex portion and the second rib-like convex portion are spaced close to each other, resulting in excellent workability. [Brief description of the drawings]

[0008] [Figure 1] FIG. 1 is a side view of a main portion of a structure in a construction state, illustrating a panel joining method according to an embodiment of the present invention; [Diagram 2] FIG. 1 is a side view of a main portion of a structure in a construction state, illustrating a panel joining method according to an embodiment of the present invention; [Diagram 3] Elevation of the structure [Figure 4]Elevation of the structure [Diagram 5] Elevation of the structure [Figure 6] FIG. 1 is a diagram showing an embodiment of a joining member used in a panel joining method according to the present invention; [Figure 7] FIG. 7 is an exploded perspective view of the joining member shown in FIG. [Figure 8] FIG. 1 is a diagram showing another embodiment of a joining member used in a panel joining method according to the present invention; [Figure 9] FIG. 9 is an exploded perspective view of the joining member shown in FIG. 8 . [Figure 10] FIG. 1 is a diagram showing a configuration of a joining member used in a panel joining method according to another embodiment of the present invention; [Figure 11] FIG. 11 is an exploded perspective view of the joining member shown in FIG. [Figure 12] FIG. 1 is a diagram showing a configuration of a joining member used in a panel joining method according to another embodiment of the present invention; [Figure 13] FIG. 13 is an exploded perspective view of the joining member shown in FIG. 12 . [Figure 14] FIG. 1 is a diagram showing an embodiment of a spring pressing member used in a panel joining method according to the present invention; [Figure 15] FIG. 1 is a diagram showing an embodiment of an interior corner temporary fastening member used in a panel joining method according to the present invention; [Figure 16] FIG. 1 is a block diagram showing an embodiment of a foot fixing device used in a panel joining method according to the present invention. [Figure 17] FIG. 1 is a block diagram showing an embodiment of a pressing member used in a panel joining method according to the present invention; [Figure 18] FIG. 1 is a block diagram showing an embodiment of a guide member used in a panel joining method according to the present invention; [Figure 19] FIG. 1 is a diagram showing another embodiment of a joining member used in a panel joining method according to the present invention; [Figure 20] A schematic diagram showing the movement of the joining member shown in FIG. [Figure 21] FIG. 1 is a diagram showing another embodiment of a joining member used in a panel joining method according to the present invention; [Figure 22] A schematic diagram showing the movement of the joining member shown in FIG. 21. [Figure 23]FIG. 1 is a diagram showing another embodiment of a joining member used in a panel joining method according to the present invention; [Figure 24] A schematic diagram showing the sliding space of the ridge-like protrusion on one side of the joining member shown in FIG. 23. [Diagram 25] FIG. 1 is a block diagram showing another embodiment of a foot fixing device used in a panel joining method according to the present invention; [Figure 26] FIG. 1 is a block diagram showing another embodiment of a pressing member used in a panel joining method according to the present invention; [Figure 27] FIG. 1 is a block diagram showing another embodiment of a pressing member used in a panel joining method according to the present invention; [Figure 28] FIG. 1 is a diagram showing a configuration of a joining member used in a panel joining method according to another embodiment of the present invention; [Figure 29] FIG. 1 is a diagram showing a configuration of a joining member used in a panel joining method according to another embodiment of the present invention; [Diagram 30] FIG. 1 is a diagram showing a configuration of a joining member used in a panel joining method according to another embodiment of the present invention; [Diagram 31] FIG. 1 is a diagram showing a configuration of a joining member used in a panel joining method according to another embodiment of the present invention; [Diagram 32] A schematic diagram showing the movement of the joining member shown in FIG. 30. [Diagram 33] FIG. 1 is a diagram showing a configuration of a joining member used in a panel joining method according to another embodiment of the present invention; [Diagram 34] FIG. 1 is a block diagram showing yet another embodiment of a foot fixing device used in a panel joining method according to the present invention; [Diagram 35] FIG. 1 is a block diagram showing yet another embodiment of a pressing member used in a panel joining method according to the present invention; [Diagram 36] FIG. 1 is a block diagram showing yet another embodiment of a pressing member used in a panel joining method according to the present invention; [Figure 37] FIG. 2 is a side view of a main portion of a structure in a construction state, illustrating a panel joining method according to the present embodiment. [Figure 38] Main part configuration diagram of Figure 37 [Figure 39] FIG. 1 is a diagram showing a state in which a beam support member, a frame member for the support member, a joint member retainer, and a joint member are attached. [Diagram 40] FIG. 1 is a diagram showing a state in which a frame member for receiving members, a joint member holder, and a joint member are attached. [Diagram 41] FIG. 41 is a structural diagram showing the joining member shown in FIG. 39 and FIG. 40. [Diagram 42] FIG. 42 shows the operation of attaching the joining member shown in FIG. 41 to the position shown in FIG. 38 or FIG. 39(a). [Diagram 43] 40, showing a joint member different from the joint members shown in FIGS. 39 to 42; [Diagram 44] 44 is a diagram showing an operation corresponding to FIG. 42 for the joining member shown in FIG. 43. [Diagram 45] FIG. 13 is a side view of a main portion of a structure in a construction state, illustrating a panel joining method according to another embodiment of the present invention. [Figure 46] Main part configuration diagram of Figure 45 DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] A method of joining panels according to a first embodiment of the present invention includes forming a first groove-shaped recess on a first panel outer surface of a first panel, and forming a second groove-shaped recess on a second panel outer surface of a second panel to be joined adjacent to the first panel, and a joining member having a first ridge-shaped convex portion that engages with the first groove-shaped recess and a second rib-shaped convex portion that engages with the second groove-shaped recess, and by engaging the first rib-shaped convex portion with the first groove-shaped recess and engaging the second rib-shaped convex portion with the second groove-shaped recess, the first panel and the second panel are joined together and the panels are assembled into a wall. According to this embodiment, the first panel and the second panel can be joined by engaging the first rib-shaped convex portion and the second rib-shaped convex portion of the joining member with the first groove-shaped concave portion and the second groove-shaped concave portion, thereby assembling the panels into a wall shape.

[0010] A second embodiment of the present invention is a panel joining method according to the first embodiment, in which a first groove-shaped recess is formed along a side surface of the first panel and a second groove-shaped recess is formed along a side surface of the second panel. According to this embodiment, even if the first groove-shaped recess and the second groove-shaped recess are not formed continuously from one end side surface of the panel to the other end side surface of the panel, the joining member can be attached.

[0011] A third embodiment of the present invention is a panel joining method according to the first embodiment, in which a first groove-shaped recess is formed along four side surfaces of the first panel, and a second groove-shaped recess is formed along four side surfaces of the second panel. According to this embodiment, the first panel and the second panel can be assembled on the wall in both the left-right direction and the height direction.

[0012] A fourth embodiment of the present invention relates to a method for joining panels according to the first embodiment, in which a first panel and a second panel are butted together perpendicularly so that the first groove-shaped recess and the second groove-shaped recess are positioned on the surfaces of the interior angle, and a joining member is positioned at the interior angle where the first panel and the second panel meet. According to this embodiment, the first panel and the second panel can be assembled so as to be perpendicular to each other.

[0013] The fifth embodiment of the present invention relates to a method for joining panels according to the first embodiment, in which a first panel and a second panel are butted together perpendicularly so that the first groove-shaped recess and the second groove-shaped recess are positioned on the outer corner surfaces, and a joining member is positioned at the outer corner of the joint between the first panel and the second panel. According to this embodiment, the first panel and the second panel can be assembled so as to be perpendicular to each other.

[0014] A sixth embodiment of the present invention is a panel joining method according to the first embodiment, wherein the joining members have a one-side joining member forming a first ridge-like protrusion, an other-side joining member forming a second ridge-like protrusion, and a displacement member arranged in a sliding space formed in the one-side joining member, and by displacing the displacement member relative to the sliding space, the other-side joining member is displaced relative to the one-side joining member, and the first ridge-like protrusion and the second ridge-like protrusion move closer to and away from each other. According to this embodiment, by displacing the displacement member relative to the sliding space, the other-side joining member is displaced relative to the one-side joining member and the first ridge-like convex portion and the second ridge-like convex portion move closer to and away from each other, thereby facilitating engagement of the first ridge-like convex portion with the first groove-like concave portion and engagement of the second ridge-like convex portion with the second groove-like concave portion.

[0015] A seventh embodiment of the present invention is a method for joining panels according to the first embodiment, wherein the joining member has a one-side joining member forming a first rib-like protrusion, an other-side joining member forming a second rib-like protrusion, a joining member main body for holding the one-side joining member and the other-side joining member, and a displacement member arranged in a sliding space formed in the joining member main body, and by displacing the displacement member relative to the sliding space, the one-side joining member and the other-side joining member are displaced relative to the joining member main body, and the first rib-like protrusion and the second rib-like protrusion move closer to and away from each other. According to this embodiment, by displacing the displacement member relative to the sliding space, the one-side joining member and the other-side joining member are displaced relative to the joining member body, and the first ridge-like convex portion and the second ridge-like convex portion move closer to and away from each other, thereby facilitating engagement of the first ridge-like convex portion with the first groove-like concave portion and engagement of the second ridge-like convex portion with the second groove-like concave portion.

[0016] An eighth embodiment of the present invention is a panel joining method according to the first embodiment, in which the joining members have a one-side joining member forming a first ridge-like protrusion and an other-side joining member forming a second ridge-like protrusion, and by displacing the one-side joining member relative to the other-side joining member, the first ridge-like protrusion and the second ridge-like protrusion are brought closer together and apart. According to this embodiment, by displacing the one-side joining member relative to the other-side joining member, the first rib-shaped convex portion and the second rib-shaped convex portion move closer to or away from each other, thereby facilitating engagement of the first rib-shaped convex portion with the first groove-shaped recess and engagement of the second rib-shaped convex portion with the second groove-shaped recess.

[0017] A ninth embodiment of the present invention is a panel joining method according to the first embodiment, wherein the joining members have a one-side joining member on which the first rib-like protrusion is arranged, and an other-side joining member on which the second rib-like protrusion is arranged, a one-side rib-like protrusion sliding space is formed in the one-side joining member and a other-side rib-like protrusion sliding space is formed in the other-side joining member, a one-side rib-like protrusion displacement member is arranged in the one-side rib-like protrusion sliding space, and a other-side rib-like protrusion displacement member is arranged in the other-side rib-like protrusion sliding space, and by displacing the one-side rib-like protrusion displacement member with respect to the one-side rib-like protrusion sliding space, the first rib-like protrusion protrudes from the one-side rib-like protrusion sliding space, and by displacing the other-side rib-like protrusion displacement member with respect to the other-side rib-like protrusion sliding space, the second rib-like protrusion protrudes from the other-side rib-like protrusion sliding space. According to this embodiment, by protruding the first rib-like convex portion and the second rib-like convex portion from the one-side rib-like convex portion sliding space and the other-side rib-like convex portion sliding space, the first rib-like convex portion and the second rib-like convex portion can be engaged with the first groove-like recess and the second groove-like recess.

[0018] A tenth embodiment of the present invention is a panel joining method according to the ninth embodiment, in which a one-side elastic member is arranged in the one-side rib-shaped protrusion sliding space and a other-side elastic member is arranged in the other-side rib-shaped protrusion sliding space, the one-side elastic member and the other-side elastic member have a pair of protruding pieces, and when the first rib-shaped protrusion protrudes from the one-side rib-shaped protrusion sliding space, the pair of protruding pieces of the one-side elastic member extend on both sides of the first rib-shaped protrusion, and when the second rib-shaped protrusion protrudes from the other-side rib-shaped protrusion sliding space, the pair of protruding pieces of the other-side elastic member extend on both sides of the second rib-shaped protrusion. According to this embodiment, by having the first rib-like convex portion and the second rib-like convex portion protrude from the one-side rib-like convex portion sliding space and the other-side rib-like convex portion sliding space, the pair of protruding pieces spread out, and the first rib-like convex portion and the second rib-like convex portion can be firmly engaged with the first groove-like recess and the second groove-like recess by the pair of protruding pieces.

[0019] An eleventh embodiment of the present invention is a panel joining method according to the first embodiment, wherein the joining members have a one-side joining member on which the first rib-like protrusion is arranged, and an other-side joining member on which the second rib-like protrusion is arranged, a one-side rib-like protrusion sliding space is formed in the one-side joining member, a one-side rib-like protrusion displacement member is arranged in the one-side rib-like protrusion sliding space, and the one-side rib-like protrusion displacement member is displaced relative to the one-side rib-like protrusion sliding space, so that the first rib-like protrusion protrudes from the one-side rib-like protrusion sliding space. According to this embodiment, the first rib-shaped protrusion can be engaged with the first groove-shaped recess by projecting from the one-side rib-shaped protrusion sliding space.

[0020] A twelfth embodiment of the present invention is a panel joining method according to the eleventh embodiment, in which a one-side elastic member is arranged in the one-side ridge-shaped protrusion sliding space, the one-side elastic member having a pair of protruding pieces, and when the first ridge-shaped protrusion protrudes from the one-side ridge-shaped protrusion sliding space, the pair of protruding pieces of the one-side elastic member extend on both sides of the first ridge-shaped protrusion. According to this embodiment, by protruding the first ridge-shaped convex portion from the one-side ridge-shaped convex portion sliding space, the pair of protruding pieces spread out, and the pair of protruding pieces can be firmly engaged with the first groove-shaped recess.

[0021] A thirteenth embodiment of the present invention relates to the panel joining method according to the ninth or eleventh embodiment, and further relates to a method in which the one-side joining member and the other-side joining member are provided rotatable by a predetermined angle. According to this embodiment, engagement with the first groove-shaped recess and the second groove-shaped recess can be easily performed.

[0022] A fourteenth embodiment of the present invention is a panel joining method according to the first embodiment, wherein the joining member forms a one-side rib-like protrusion sliding space in which the first rib-like protrusion is arranged, and forms an other-side rib-like protrusion sliding space in which the second rib-like protrusion is arranged, a one-side rib-like protrusion displacement member is arranged in the one-side rib-like protrusion sliding space, and a other-side rib-like protrusion displacement member is arranged in the other-side rib-like protrusion sliding space, and by displacing the one-side rib-like protrusion displacement member relative to the one-side rib-like protrusion sliding space, the first rib-like protrusion protrudes from the one-side rib-like protrusion sliding space, and by displacing the other-side rib-like protrusion displacement member relative to the other-side rib-like protrusion sliding space, the second rib-like protrusion protrudes from the other-side rib-like protrusion sliding space. According to this embodiment, the first rib-shaped convex portion and the second rib-shaped convex portion can be engaged with the first groove-shaped recess and the second groove-shaped recess by protruding from the one-side rib-shaped convex portion sliding space and the other-side rib-shaped convex portion sliding space.

[0023] A fifteenth embodiment of the present invention is a panel joining method according to the fourteenth embodiment, in which a one-side elastic member is arranged in the one-side rib-shaped protrusion sliding space and a other-side elastic member is arranged in the other-side rib-shaped protrusion sliding space, the one-side elastic member and the other-side elastic member have a pair of protruding pieces, and when the first rib-shaped protrusion protrudes from the one-side rib-shaped protrusion sliding space, the pair of protruding pieces of the one-side elastic member extend on both sides of the first rib-shaped protrusion, and when the second rib-shaped protrusion protrudes from the other-side rib-shaped protrusion sliding space, the pair of protruding pieces of the other-side elastic member extend on both sides of the second rib-shaped protrusion. According to this embodiment, by having the first ridge-shaped convex portion and the second ridge-shaped convex portion protrude from the one-side ridge-shaped convex portion sliding space and the other-side ridge-shaped convex portion sliding space, the pair of protruding pieces spread out, and the pair of protruding pieces can be firmly engaged with the first groove-shaped recess and the second groove-shaped recess.

[0024] A sixteenth embodiment of the present invention is a panel joining method according to the first embodiment, which includes a foot fixing device for fixing the first panel or the second panel to a base, and a ridge-like convex portion is formed in the foot fixing device, and the ridge-like convex portion is engaged with the first groove-like recess or the second groove-like recess, thereby attaching the foot fixing device to the first panel or the second panel. According to this embodiment, the foot fixing device can be easily attached to the first panel or the second panel.

[0025] A seventeenth embodiment of the present invention is a panel joining method according to the sixteenth embodiment, further comprising forming a ridge-like protrusion sliding space in the foot fixing device, arranging a ridge-like protrusion displacement member in the ridge-like protrusion sliding space, and displacing the ridge-like protrusion displacement member relative to the ridge-like protrusion sliding space, so that the ridge-like protrusion protrudes from the ridge-like protrusion sliding space. According to this embodiment, the ridge-shaped protrusion can be engaged with the first groove-shaped recess by projecting from the ridge-shaped protrusion sliding space.

[0026] The 18th embodiment of the present invention, in the method of joining panels according to the first embodiment, has a clamping member for fixing a pipe material to the outer surface of the first panel or the outer surface of the second panel, and the clamping member has a pipe abutment surface for abutting the pipe material and a ridge-like convex portion formed thereon, and the ridge-like convex portion engages with the first groove-like recess or the second groove-like recess to attach the clamping member to the first panel or the second panel. According to this embodiment, the pressing member can be easily attached to the first panel or the second panel.

[0027] A 19th embodiment of the present invention is a panel joining method according to the 18th embodiment, in which a rib-like protrusion sliding space is formed in the pressing member, a rib-like protrusion displacement member is arranged in the rib-like protrusion sliding space, and the rib-like protrusion displacement member is displaced relative to the rib-like protrusion sliding space, so that the rib-like protrusion protrudes from the rib-like protrusion sliding space. According to this embodiment, the ridge-shaped protrusion can be engaged with the first groove-shaped recess by projecting from the ridge-shaped protrusion sliding space.

[0028] The 20th embodiment of the present invention is a panel joining method according to the 17th or 19th embodiment, in which an elastic member is placed in the ridge-shaped protrusion sliding space, the elastic member having a pair of protruding pieces, and when the ridge-shaped protrusion protrudes from the ridge-shaped protrusion sliding space, the pair of protruding pieces of the elastic member extend on both sides of the ridge-shaped protrusion. According to this embodiment, by protruding the ridge-shaped convex portion from the ridge-shaped convex portion sliding space, the pair of protruding pieces spread out, and the pair of protruding pieces can be firmly engaged with the first groove-shaped recess or the second groove-shaped recess.

[0029] The 21st embodiment of the present invention is a method of joining panels according to the first embodiment, in which the second panel is used as the bottom surface, the first panel is butted perpendicularly to the second panel, a joining member is placed at the outer corner of the joint between the first and second panels, a support frame member is attached to a beam under support member that supports the second panel from below, and a joining member holder that holds the joining member is attached to the upper surface of the support frame member. According to this embodiment, the joint member used for the second panel that forms the bottom surface can be held by the joint member holder.

[0030] The twenty-second embodiment of the present invention relates to a panel joining method according to the twenty-first embodiment, in which a pipe material is used as a beam support material and the pipe material is inserted into a support frame member. According to this embodiment, sufficient strength can be maintained by using the pipe material, and the joint member holder can be attached by the support frame member.

[0031] The twenty-third embodiment of the present invention relates to a panel joining method according to the twenty-first embodiment, in which a pipe support holding material for holding the upper end of the pipe support is attached to the lower surface of the support frame member. According to this embodiment, the pipe support holding material can be attached by the receiving material frame member.

[0032] The twenty-fourth embodiment of the present invention relates to the panel joining method according to the twenty-first embodiment, and further relates to a joint member holder that is slidably provided relative to a frame member for a support member. According to this embodiment, the position of the joint member holder can be easily adjusted, and the joint members can be easily attached.

[0033] A twenty-fifth embodiment of the present invention relates to the panel joining method according to the twenty-third embodiment, and further relates to providing a pipe support holding material slidably relative to a support frame member. According to this embodiment, the position of the pipe support holding material can be easily adjusted, and the pipe support can be easily attached.

[0034] A method of joining panels according to a 26th embodiment of the present invention involves forming a first groove-shaped recess on a first panel outer surface of a first panel, forming a second groove-shaped recess on a second panel outer surface of a second panel to be joined adjacent to the first panel, a joining member having a first rib-shaped convex portion that engages with the first groove-shaped recess and a second rib-shaped convex portion that engages with the second groove-shaped recess, joining the first panel and the second panel by engaging the first rib-shaped convex portion with the first groove-shaped recess and engaging the second rib-shaped convex portion with the second groove-shaped recess, assembling the panels into a wall shape, using the second panel as the bottom surface, butting the first panel perpendicular to the second panel, positioning the joining member at the outer corner of the joint between the first panel and the second panel, attaching a support member frame member to a beam under support member that supports the second panel from below, and attaching a joining member holder that holds the joining member to the upper surface of the support member frame member. According to this embodiment, the first panel and the second panel can be joined by engaging the first rib-like convex portion and the second rib-like convex portion of the joining member with the first groove-like concave portion and the second groove-like concave portion, thereby assembling the panels into a wall shape, and further the joining member used for the second panel, which forms the bottom surface, can be held by the joining member holding material.

[0035] The twenty-seventh embodiment of the present invention relates to a panel joining method according to the twenty-sixth embodiment, in which a pipe material is used as a beam support material and the pipe material is inserted into a support frame member. According to this embodiment, sufficient strength can be maintained by using the pipe material, and the joint member holder can be attached by the support frame member.

[0036] The twenty-eighth embodiment of the present invention relates to a panel joining method according to the twenty-sixth embodiment, in which a pipe support holding material for holding the upper end of the pipe support is attached to the lower surface of the support frame member. According to this embodiment, the pipe support holding material can be attached by the receiving material frame member.

[0037] The twenty-ninth embodiment of the present invention relates to the panel joining method according to the twenty-sixth embodiment, and further relates to a joint member holder that is slidably provided relative to a frame member for a support member. According to this embodiment, the position of the joint member holder can be easily adjusted, and the joint members can be easily attached.

[0038] A thirtieth embodiment of the present invention relates to the panel joining method according to the twenty-sixth embodiment, and further relates to a pipe support holder that is slidably provided relative to a support frame member. According to this embodiment, the position of the pipe support holding material can be easily adjusted, and the pipe support can be easily attached.

[0039] A method of joining panels in accordance with a 31st embodiment of the present invention involves using crosspieces as joining members, joining a first panel and a second panel, assembling the panels into a wall shape, using the second panel as the bottom surface, butting the first panel perpendicular to the second panel, attaching a support frame member to a beam under support member that supports the second panel from below, using a pipe member as the beam under support member and inserting the pipe member into the support frame member, attaching a joining member retaining member that holds the joining members to the upper surface of the support frame member, and attaching a pipe support retaining member that holds the upper end of the pipe support to the lower surface of the support frame member, and arranging the joining member retaining member and the pipe support retaining member so as to be slidable relative to the support frame member. According to this embodiment, the joining member used for the second panel which forms the bottom surface can be held by the joining member holding material, sufficient strength can be maintained by using pipe material, the joining member holding material can be attached by the receiving material frame member, the pipe support holding material can be attached by the receiving material frame member, it is easy to adjust the position of the joining member holding material, it is easy to attach the joining member, it is easy to adjust the position of the pipe support holding material, it is easy to attach the pipe support. EXAMPLES

[0040] An embodiment of the panel joining method according to the present invention will now be described. The panel joining method of the present invention is used to form form panels used in construction when pouring concrete, partition panels for dividing spaces, or wall panels or ceiling panels for temporary buildings. In the following examples, a form panel used in construction when pouring concrete will be described.

[0041] 1 and 2 are side views of the main part of a structure in a construction state showing a panel joining method according to an embodiment of the present invention, and FIGS. 3 to 5 are elevation views of the same structure. The formwork panel according to this embodiment is a panel 10 used in construction when pouring concrete, and is used by joining adjacent panels 10 using joining members 20 instead of crosspieces.

[0042] As shown in FIG. 1, in formwork construction for a concrete structure, a pair of walls 10a, 10b are erected on a foundation 1, and concrete is poured into a space 2 between the inner surface of wall 10a and the inner surface of wall 10b. In the beam section, the wall body 10 c is supported by a beam support 3 , which is held by a pipe support 4 . A fastening member 5 is attached to the pair of wall bodies 10a, 10b in order to keep the distance between the pair of wall bodies 10a, 10b constant. The fastening member 5 is composed of a separator 5a, a pair of cones 5b, a pair of fastening member bodies 5c, and a pair of washers 5d. The walls 10a, 10b, and 10c are constructed by joining a number of panels 10. Crosspieces are generally used to join the panels 10. Crosspieces are sometimes used to increase the rigidity of the panels 10, but in this embodiment, vertical pipe members 6a are arranged at predetermined intervals on the outer surfaces of the panels 10 of the walls 10a and 10b, and these vertical pipe members 6a are fastened with horizontal pipe members 6b to ensure the rigidity of the panels 10. The pipe members 6 support the load applied to the panels 10 when concrete is poured. Figure 1 shows the joining members 20 as joining member 20B, which joins the inner angle of the joint between two panels 10, joining member 20C, which joins the outer angle of the beam bottom projection angle, and joining member 20D, which joins the two panels 10 so that they are on the same plane.

[0043] 2 and 3 show the joint member 20D, as well as a foot fixing device 50 for fixing the panel 10 to the shim 7 on the base 1, a pressing member 60 for fixing the vertical pipe material 6a, and a pass-through member 70.

[0044] In FIG. 4, a joining member 20D and a spring holder 30 are shown. A first groove-shaped recess 11a is formed in the first panel outer surface 11s of the first panel 11 shown in Figure 4, and a second groove-shaped recess 12a is formed in the second panel outer surface 12s of the second panel 12 that is joined adjacent to the first panel 11. The first panel outer surface 11s and the second panel outer surface 12s are flat surfaces, and do not have protrusions for forming the first groove-shaped recess 11a or the second groove-shaped recess 12a. Therefore, the first groove-shaped recess 11a is formed at a position lower than the first panel outer surface 11s, and the second groove-shaped recess 12a is formed at a position lower than the second panel outer surface 12s, and when the first panel 11 and the second panel 12 are stacked, they can be stacked at a height equal to the panel thickness.

[0045] In Figure 4, the joining member 20D is shown attached by engaging with a first groove-shaped recess 11a formed in the lower part of the first panel 11 and a second groove-shaped recess 12a formed in the upper part of the second panel 12. In addition, when the first panel 11 and the second panel 12 are arranged horizontally, the joining member 20 is attached by engaging with a first groove-shaped recess 11a formed in the side portion of the first panel 11 and a second groove-shaped recess 12a formed in the side portion of the second panel 12. The first groove-shaped recesses 11a are formed along the side surfaces of the first panel 11 at the top, bottom, and both sides of the first panel 11, and are preferably formed continuously from one end side surface of the first panel 11 to the other end side surface of the first panel 11, but the first groove-shaped recesses 11a may be formed partially. Also, as shown in Fig. 4, it is preferable to form a plurality of first groove-shaped recesses 11a at appropriate intervals, for example, between the top and bottom. The second groove-shaped recesses 12a are formed along the side surfaces of the second panel 12 at the top, bottom, and both sides of the second panel 12, and are preferably formed continuously from one end side surface of the second panel 12 to the other end side surface of the second panel 12, but the first groove-shaped recesses 11a may be formed partially. Also, as shown in Fig. 4, it is preferable to form a plurality of second groove-shaped recesses at appropriate intervals, for example, between the top and bottom. Although FIG. 4 shows first panel 11 and second panel 12 having the same shape, first panel 11 and second panel 12 may have different shapes and sizes. By forming the first groove-shaped recess 11a along the four side surfaces of the first panel 11 and forming the second groove-shaped recess 12a along the four side surfaces of the second panel 12, multiple first panels 11 and second panels 12 can be assembled in both the left-right direction and the height direction.

[0046] Figure 5 shows the joining members 20 as joining member 20A arranged at the outer corner of the joint between two panels 10, joining member 20B arranged at the inner angle of the joint between two panels 10, and joining member 20D arranged so that the two panels 10 are on the same plane, as well as a foot fixing device 50 that fixes the panel 10 to the shim 7 on the base 1, and a clamping member 60 that fixes the vertical pipe material 6a. When the joining member 20A is positioned at the outer corner of the joint between the first panel 11 and the second panel 12, the first panel 11 and the second panel 12 are butted together perpendicularly so that the first groove-shaped recess 11a and the second groove-shaped recess 12a are positioned on the surface of the outer corner. When the joining member 20B is positioned at the inner angle of the joint between the first panel 11 and the second panel 12, the first panel 11 and the second panel 12 are butted together perpendicularly so that the first groove-shaped recess 11a and the second groove-shaped recess 12a are positioned on the surface of the inner angle. In this manner, by using the joining members 20A and 20B, the first panel 11 and the second panel 12 can be assembled so as to be perpendicular to each other.

[0047] Figure 6 is a schematic diagram showing an embodiment of a joining member used in the panel joining method of the present invention, where Figure 6(a) shows the member attached to the panel, Figure 6(b) shows the member with the first ridge-like protrusion and the second ridge-like protrusion spaced apart, and Figure 6(c) shows the member with the first ridge-like protrusion and the second ridge-like protrusion close to each other. The joint member 20A according to this embodiment is disposed at the outer corner where the first panel 11 and the second panel 12 join.

[0048] The joining member 20A has a one-side joining member 21 forming a first ridge-shaped protrusion 21a, an other-side joining member 22 forming a second ridge-shaped protrusion 22a, and a displacement member 23 arranged in a sliding space 21b formed in the one-side joining member 21. A first groove-shaped recess 11a with which the first ridge-shaped protrusion 21a engages is formed in the first panel 11, and a second groove-shaped recess 12a with which the second ridge-shaped protrusion 22a engages is formed in the second panel 12. It is preferable that at least the side surfaces of the first groove-shaped recess 11a and the second groove-shaped recess 12a on the outer periphery side of the panel 10 are inclined, and that the bottom surfaces of the first groove-shaped recess 11a and the second groove-shaped recess 12a are wider than the opening surfaces.

[0049] FIG. 7 is an exploded perspective view of the joining member shown in FIG. The joint member 21 on one side holds a first pin 21c, and the joint member 22 on the other side holds a second pin 22c. A first groove 23a and a second groove 23b are formed in the displacement member 23. The first groove 23a is formed parallel to the sliding direction, and the second groove 23b is formed inclined with respect to the sliding direction. A first pin 21c is disposed in the first groove 23a, and a second pin 22c is disposed in the second groove 23b. The sliding range of the displacement member 23 is restricted by the first pin 21c, thereby preventing the displacement member 23 from falling off the one-side joint member 21. Since the second pin 22c moves along the second groove 23b, by displacing the displacement member 23 relative to the sliding space 21b, the other-side joining member 22 is displaced relative to the one-side joining member 21, and the first ridge-shaped protrusion 21a and the second ridge-shaped protrusion 22a move closer to or away from each other. It is preferable that the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a form inclined surfaces corresponding to the inclined side surfaces of the first groove-shaped concave portion 11a and the second groove-shaped concave portion 12a.

[0050] As described above, a first groove-shaped recess 11a is formed in the first panel outer surface 11s of the first panel 11, and a second groove-shaped recess 12a is formed in the second panel outer surface 12s of the second panel 12 joined adjacent to the first panel 11, and the joining member 20A has a first ridge-shaped protrusion 21a that engages with the first groove-shaped recess 11a and a second ridge-shaped protrusion 22a that engages with the second groove-shaped recess 12a, the first ridge-shaped protrusion 21a and the second ridge-shaped protrusion 22a are spaced apart and close to each other, and by engaging the first ridge-shaped protrusion 21a with the first groove-shaped recess 11a and the second ridge-shaped protrusion 22a with the second groove-shaped recess 12a, the first panel 11 and the second panel 12 can be joined together and the panels 10 can be assembled into a wall-like shape. In this way, the first rib-like convex portion 21a and the second rib-like convex portion 22a of the joining member 20A can be engaged with the first groove-like recess 11a and the second groove-like recess 12a to join the first panel 11 and the second panel 12, thereby enabling the panels 10 to be assembled into a wall-like shape, and furthermore, the first rib-like convex portion 21a and the second rib-like convex portion 22a are spaced close to each other, resulting in excellent workability. In addition, by displacing the displacement member 23 relative to the sliding space 21b, the other-side joining member 22 is displaced relative to the one-side joining member 21, and the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a move closer to and away from each other, thereby facilitating engagement of the first ridge-shaped convex portion 21a with the first groove-shaped recess 11a and engagement of the second ridge-shaped convex portion 22a with the second groove-shaped recess 12a.

[0051] Figure 8 is a diagram showing another embodiment of a joining member used in the panel joining method of the present invention, in which Figure 8(a) shows the member attached to the panel, Figure 8(b) shows the member with the first ridge-like protrusion and the second ridge-like protrusion spaced apart, and Figure 8(c) shows the member with the first ridge-like protrusion and the second ridge-like protrusion close to each other. The joint member 20B according to this embodiment is disposed at an inner angle where the first panel 11 and the second panel 12 join.

[0052] The joining member 20B has a one-side joining member 21 forming a first ridge-shaped protrusion 21a, an other-side joining member 22 forming a second ridge-shaped protrusion 22a, a joining member main body 24 that holds the one-side joining member 21 and the other-side joining member 22, and a displacement member 23 arranged in a sliding space 24a (see Figure 9) formed in the joining member main body 24. A first groove-shaped recess 11a with which the first ridge-shaped protrusion 21a engages is formed in the first panel 11, and a second groove-shaped recess 12a with which the second ridge-shaped protrusion 22a engages is formed in the second panel 12. It is preferable that at least the side surfaces of the first groove-shaped recess 11a and the second groove-shaped recess 12a on the outer periphery side of the panel 10 are inclined, and that the bottom surfaces of the first groove-shaped recess 11a and the second groove-shaped recess 12a are wider than the opening surfaces.

[0053] FIG. 9 is an exploded perspective view of the joining member shown in FIG. The one-side joint member 21 has a one-side joint member sliding space 21d formed therein, and the other-side joint member 22 has an other-side joint member sliding space 22d formed therein. A first wedge portion 23c and a second wedge portion 23d are formed on the displacement member 23. The first wedge portion 23c and the second wedge portion 23b are formed to be inclined with respect to the sliding direction of the displacement member 23. The joint member body 24 is formed with a sliding space 24a in which the one-side joint member 21, the other-side joint member 22, and the displacement member 23 can be disposed. The first wedge portion 23c moves in the one-side joint member sliding space 21d, whereby the one-side joint member 21 moves relative to the joint member body 24. The second wedge portion 23d moves in the other-side joint member sliding space 22d, whereby the other-side joint member 22 moves relative to the joint member body 24. Therefore, by displacing the displacement member 23 relative to the sliding space 24a, the one-side joining member 21 and the other-side joining member 22 are displaced relative to the joining member body 24, and the first ridge-like protrusion 21a and the second ridge-like protrusion 22a move closer to or farther apart from each other. It is preferable that the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a form inclined surfaces corresponding to the inclined side surfaces of the first groove-shaped concave portion 11a and the second groove-shaped concave portion 12a.

[0054] As described above, a first groove-shaped recess 11a is formed in the first panel outer surface 11s of the first panel 11, and a second groove-shaped recess 12a is formed in the second panel outer surface 12s of the second panel 12 joined adjacent to the first panel 11, and the joining member 20A has a first ridge-shaped protrusion 21a that engages with the first groove-shaped recess 11a and a second ridge-shaped protrusion 22a that engages with the second groove-shaped recess 12a, the first ridge-shaped protrusion 21a and the second ridge-shaped protrusion 22a are spaced apart and close to each other, and by engaging the first ridge-shaped protrusion 21a with the first groove-shaped recess 11a and the second ridge-shaped protrusion 22a with the second groove-shaped recess 12a, the first panel 11 and the second panel 12 can be joined together and the panels 10 can be assembled into a wall-like shape. In this way, the first rib-like convex portion 21a and the second rib-like convex portion 22a of the joining member 20A can be engaged with the first groove-like recess 11a and the second groove-like recess 12a to join the first panel 11 and the second panel 12, thereby enabling the panels 10 to be assembled into a wall-like shape, and furthermore, the first rib-like convex portion 21a and the second rib-like convex portion 22a are spaced close to each other, resulting in excellent workability. In addition, by displacing the displacement member 23 relative to the sliding space 24a, the one-side joining member 21 and the other-side joining member 22 are displaced relative to the joining member main body 24, and the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a move closer to and away from each other, thereby facilitating engagement of the first ridge-shaped convex portion 21a with the first groove-shaped recess 11a and engagement of the second ridge-shaped convex portion 22a with the second groove-shaped recess 12a.

[0055] Figure 10 is a diagram showing yet another embodiment of a joining member used in the panel joining method of the present invention, in which Figure 10(a) shows the member attached to the panel, Figure 10(b) shows the member with the first ridge-like protrusion and the second ridge-like protrusion spaced apart, and Figure 10(c) shows the member with the first ridge-like protrusion and the second ridge-like protrusion close to each other. The joint member 20C according to this embodiment is disposed at the outer corner where the first panel 11 and the second panel 12 join.

[0056] The joint member 20C has a first joint member 21 forming a first ridge-shaped protrusion 21a, and an other joint member 22 forming a second ridge-shaped protrusion 22a. A first groove-shaped recess 11a with which the first ridge-shaped protrusion 21a engages is formed in the first panel 11, and a second groove-shaped recess 12a with which the second ridge-shaped protrusion 22a engages is formed in the second panel 12. It is preferable that at least the side surfaces of the first groove-shaped recess 11a and the second groove-shaped recess 12a on the outer periphery side of the panel 10 are inclined, and that the bottom surfaces of the first groove-shaped recess 11a and the second groove-shaped recess 12a are wider than the opening surfaces.

[0057] FIG. 11 is an exploded perspective view of the joining member shown in FIG. The joint member 21 on one side has a sliding groove 21e with an inclined surface, and the joint member 22 on the other side has a roller portion 22e that slides along the sliding groove 21e. The sliding groove 21e is formed to be inclined in the sliding direction. Therefore, by displacing the one-side joint member 21 relative to the other-side joint member 22, the first ridge-shaped protrusion 21a and the second ridge-shaped protrusion 22a approach or move away from each other. It is preferable that the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a form inclined surfaces corresponding to the inclined side surfaces of the first groove-shaped concave portion 11a and the second groove-shaped concave portion 12a.

[0058] As described above, a first groove-shaped recess 11a is formed in the first panel outer surface 11s of the first panel 11, and a second groove-shaped recess 12a is formed in the second panel outer surface 12s of the second panel 12 joined adjacent to the first panel 11, and the joining member 20A has a first ridge-shaped protrusion 21a that engages with the first groove-shaped recess 11a and a second ridge-shaped protrusion 22a that engages with the second groove-shaped recess 12a, the first ridge-shaped protrusion 21a and the second ridge-shaped protrusion 22a are spaced apart and close to each other, and by engaging the first ridge-shaped protrusion 21a with the first groove-shaped recess 11a and the second ridge-shaped protrusion 22a with the second groove-shaped recess 12a, the first panel 11 and the second panel 12 can be joined together and the panels 10 can be assembled into a wall-like shape. In this way, the first rib-like convex portion 21a and the second rib-like convex portion 22a of the joining member 20A can be engaged with the first groove-like recess 11a and the second groove-like recess 12a to join the first panel 11 and the second panel 12, thereby enabling the panels 10 to be assembled into a wall-like shape, and furthermore, the first rib-like convex portion 21a and the second rib-like convex portion 22a are spaced close to each other, resulting in excellent workability. In addition, by displacing the one-side joining member 21 relative to the other-side joining member 22, the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a move closer to and away from each other, making it easy to engage the first ridge-shaped convex portion 21a with the first groove-shaped recess 11a and the second ridge-shaped convex portion 22a with the second groove-shaped recess 12a.

[0059] Figure 12 is a diagram showing yet another embodiment of a joining member used in the panel joining method of the present invention, in which Figure 12(a) shows the member attached to the panel, Figures 12(b) and 12(c) show the first ridge-like protrusion and the second ridge-like protrusion separated from each other, and Figures 12(d) and 12(e) show the first ridge-like protrusion and the second ridge-like protrusion close to each other.

[0060] The joining member 20D according to this embodiment is disposed in a state in which the first panel 11 and the second panel 12 are arranged side by side on the same plane. By using the joining member 20D, the first panel 11 and the second panel 12 are joined together such that the first panel outer surface 11s and the second panel outer surface 12s are flush with each other. In this manner, by using the joining member 20, the first panel 11 and the second panel 12 that are arranged side by side on the same plane can be easily joined together. The joint member 20D has a first joint member 21 forming a first ridge-shaped protrusion 21a, and an other joint member 22 forming a second ridge-shaped protrusion 22a. A first groove-shaped recess 11a with which the first ridge-shaped protrusion 21a engages is formed in the first panel 11, and a second groove-shaped recess 12a with which the second ridge-shaped protrusion 22a engages is formed in the second panel 12. It is preferable that at least the side surfaces of the first groove-shaped recess 11a and the second groove-shaped recess 12a on the outer periphery side of the panel 10 are inclined, and that the bottom surfaces of the first groove-shaped recess 11a and the second groove-shaped recess 12a are wider than the opening surfaces.

[0061] FIG. 13 is an exploded perspective view of the joining member shown in FIG. The joint member 21 on one side has a sliding groove 21e with an inclined surface, and the joint member 22 on the other side has a roller portion 22e that slides along the sliding groove 21e. The sliding groove 21e is formed to be inclined in the sliding direction. Therefore, by displacing the one-side joint member 21 relative to the other-side joint member 22, the first ridge-shaped protrusion 21a and the second ridge-shaped protrusion 22a approach or move away from each other. It is preferable that the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a form inclined surfaces corresponding to the inclined side surfaces of the first groove-shaped concave portion 11a and the second groove-shaped concave portion 12a.

[0062] As described above, a first groove-shaped recess 11a is formed in the first panel outer surface 11s of the first panel 11, and a second groove-shaped recess 12a is formed in the second panel outer surface 12s of the second panel 12 joined adjacent to the first panel 11, and the joining member 20A has a first ridge-shaped protrusion 21a that engages with the first groove-shaped recess 11a and a second ridge-shaped protrusion 22a that engages with the second groove-shaped recess 12a, the first ridge-shaped protrusion 21a and the second ridge-shaped protrusion 22a are spaced apart and close to each other, and by engaging the first ridge-shaped protrusion 21a with the first groove-shaped recess 11a and the second ridge-shaped protrusion 22a with the second groove-shaped recess 12a, the first panel 11 and the second panel 12 can be joined together and the panels 10 can be assembled into a wall-like shape. In this way, the first rib-like convex portion 21a and the second rib-like convex portion 22a of the joining member 20A can be engaged with the first groove-like recess 11a and the second groove-like recess 12a to join the first panel 11 and the second panel 12, thereby enabling the panels 10 to be assembled into a wall-like shape, and furthermore, the first rib-like convex portion 21a and the second rib-like convex portion 22a are spaced close to each other, resulting in excellent workability. In addition, by displacing the one-side joining member 21 relative to the other-side joining member 22, the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a move closer to and away from each other, making it easy to engage the first ridge-shaped convex portion 21a with the first groove-shaped recess 11a and the second ridge-shaped convex portion 22a with the second groove-shaped recess 12a.

[0063] 14 is a diagram showing the structure of an embodiment of a spring holder used in the panel joining method according to the present invention. In FIG. 14, a spring holder 30 is attached to the first panel outer surface 11s of the first panel 11. The spring retainer 30 has a pair of legs 31 on one side and a pair of legs 32 on the other side. The pair of one-side legs 31 and the pair of other-side legs 32 extend from the deformation portion 33 in the same direction. A first ridge-shaped protrusion 31a is formed at an end of each of the pair of legs 31 on one side, and a second ridge-shaped protrusion 32a is formed at an end of each of the pair of legs 32 on the other side. The first ridge-shaped protrusion 31a abuts against one side of the first groove-shaped recess 11a, the second ridge-shaped protrusion 32a abuts against the other side of the first groove-shaped recess 11a, and the deformation portion 33 urges the one-side leg portion 31 and the other-side leg portion 32 in the direction of moving away from each other, thereby allowing the spring retainer 30 to be attached to the first groove-shaped recess 11a.

[0064] FIG. 15 is a diagram showing the configuration of an embodiment of an interior corner temporary fastening member used in the panel joining method according to the present invention. The interior corner temporary fastening member 40 according to this embodiment is disposed at the interior corner where the first panel 11 and the second panel 12 join. The interior corner temporary fixing member 40 is formed with a first ridge-shaped protrusion 41a and a second ridge-shaped protrusion 42a. The interior corner temporary fixing member 40 is used to temporarily fix the first panel 11 and the second panel 12 together before the joining member 20B is attached. Therefore, the first rib-like protrusions 41a are engaged with the first groove-like recesses 11a of the first panel 11, and the second rib-like protrusions 42a are engaged with the second groove-like recesses 12a of the second panel 12 for use.

[0065] Fig. 16 is a diagram showing an embodiment of a foot fixing device used in the panel joining method according to the present invention. Fig. 16 shows a case where a foot fixing device 50 is attached to the second panel outer surface 12s of the second panel 12. The foot fixing device 50 according to this embodiment is formed with a ridge-shaped protrusion 51a. Also, the foot fixing device 50 is preferably formed with a nail hole 52. The foot fixing device 50 can be nailed to the shim 7 by nailing into the nail holes 52.

[0066] 17 is a configuration diagram showing an embodiment of a pressing member used in the panel joining method according to the present invention. In FIG. 17, a pressing member 60 is attached to the second panel outer surface 12s of the second panel 12. The pressing member 60 positions the pipe material 6 to be attached to the second panel outer surface 12s. 17(a) and 17(b) show a pressing member 60 for a square steel pipe, and FIG. 17(c) shows a pressing member 60 for a round steel pipe. The pressing member 60 has a pipe contact surface 62 that contacts the pipe 6, and a ridge-shaped protrusion 61 that engages with the first groove-shaped recess 11a.

[0067] FIG. 18 is a diagram showing the configuration of an embodiment of an alignment member used in the panel joining method according to the present invention. The guide member 70 has a member body 72 having a flat surface 71 formed thereon, and a ridge-shaped protrusion 73 which engages with the first groove-shaped recess 11a and the second groove-shaped recess 12a.

[0068] Figure 19 is a diagram showing another embodiment of a joining member used in the panel joining method of the present invention, in which Figure 19(a) shows the member attached to the panel, Figure 19(b) shows the member with the first ridge-like protrusion and the second ridge-like protrusion not protruding, and Figure 19(c) shows the member with the first ridge-like protrusion and the second ridge-like protrusion protruding. 20A and 20B are schematic diagrams showing the movement of the joining members shown in FIG. 19, in which FIG. 20A is a schematic diagram showing the sliding space of the ridge-shaped convex portion on one side and the sliding space of the ridge-shaped convex portion on the other side, and FIG. 20B is a schematic diagram showing the joining member on one side and the joining member on the other side rotated by a predetermined angle.

[0069] The joint member 20E according to this embodiment is disposed at the outer corner where the first panel 11 and the second panel 12 join. The joint member 20E has a first joint member 21 on which the first ridge-shaped protrusion 21a is arranged, and an other joint member 22 on which the second ridge-shaped protrusion 22a is arranged. A one-side ridge-like protrusion sliding space 21f is formed in the one-side joining member 21, and a one-side ridge-like protrusion displacement member 21g is disposed in the one-side ridge-like protrusion sliding space 21f. Further, a one-side elastic member 21h is disposed in the one-side ridge-like protrusion sliding space 21f. The one-side elastic member 21h has a pair of protruding pieces 21i disposed outside the one-side ridge-shaped protrusion sliding space 21f.

[0070] An other-side ridge-like protrusion sliding space 22f is formed in the other-side joining member 22, and an other-side ridge-like protrusion displacement member 22g is disposed in the other-side ridge-like protrusion sliding space 22f. Further, an other-side elastic member 22h is disposed in the other-side ridge-like convex portion sliding space 22f. The other-side elastic member 22h has a pair of protruding pieces 22i disposed outside the other-side ridge-like protrusion sliding space 22f.

[0071] The first rib-like protrusion 21a is formed at an end of the one-side rib-like protrusion displacement member 21g. Therefore, by displacing the one-side rib-like protrusion displacement member 21g with respect to the one-side rib-like protrusion sliding space 21f, the first rib-like protrusion 21a protrudes from the one-side rib-like protrusion sliding space 21f. In a state in which the first ridge-shaped protrusion 21a protrudes from the one-side ridge-shaped protrusion sliding space 21f, the pair of protruding pieces 21i of the one-side elastic member 21h spread out on both sides of the first ridge-shaped protrusion 21a.

[0072] The second rib-like protrusion 22a is formed at an end of the other-side rib-like protrusion displacement member 22g. Therefore, by displacing the other-side rib-like protrusion displacement member 22g with respect to the other-side rib-like protrusion sliding space 22f, the second rib-like protrusion 22a protrudes from the other-side rib-like protrusion sliding space 22f. In a state in which the second ridge-shaped protrusion 22a protrudes from the other-side ridge-shaped protrusion sliding space 22f, the pair of protruding pieces 22i of the other-side elastic member 22h spread out on both sides of the second ridge-shaped protrusion 22a.

[0073] In this way, by protruding the first ridge-shaped protrusion 21a and the second ridge-shaped protrusion 22a from the one-side ridge-shaped protrusion sliding space 21f and the other-side ridge-shaped protrusion sliding space 22f, the first ridge-shaped protrusion 21a and the second ridge-shaped protrusion 22a can be engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a. Furthermore, by having the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a protrude from the one-side ridge-shaped convex portion sliding space 21f and the other-side ridge-shaped convex portion sliding space 22f, the pair of protruding pieces 21i, 22i spread out, and therefore the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a can be firmly engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a by the pair of protruding pieces 21i, 22i. The one-side joining member 21 and the other-side joining member 22 are connected by a rotating shaft 25. The one-side joining member 21 and the other-side joining member 22 can be rotated by a predetermined angle by the rotating shaft 25. Therefore, the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a can be easily engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a.

[0074] Figure 21 is a diagram showing a configuration of another embodiment of a joining member used in the panel joining method of the present invention, where Figure 21(a) shows the member attached to the panel, and Figure 21(b) shows the member with the first ridge-shaped protrusion protruding. Fig. 22 is a diagram showing the movement of the joining member shown in Fig. 21, Fig. 22(a) is a diagram showing the sliding space of the ridge-shaped protrusion on one side with the first ridge-shaped protrusion not protruding, and Fig. 22(b) is a diagram showing the state in which the joining member on one side and the joining member on the other side are rotated by a predetermined angle. Note that Fig. 22(b) shows the state in which the first ridge-shaped protrusion protrudes.

[0075] The joining member 20F according to this embodiment is disposed at the outer corner where the first panel 11 and the second panel 12 join. The joint member 20F has a first joint member 21 on which a first ridge-shaped protrusion 21a is arranged, and an other joint member 22 on which a second ridge-shaped protrusion 22a is arranged. A one-side ridge-like protrusion sliding space 21f is formed in the one-side joining member 21, and a one-side ridge-like protrusion displacement member 21g is disposed in the one-side ridge-like protrusion sliding space 21f. Further, a one-side elastic member 21h is disposed in the one-side ridge-like protrusion sliding space 21f. The one-side elastic member 21h has a pair of protruding pieces 21i disposed outside the one-side ridge-shaped protrusion sliding space 21f.

[0076] By displacing the one-side rib-like protrusion displacement member 21g relative to the one-side rib-like protrusion sliding space 21f, the first rib-like protrusion 21a protrudes from the one-side rib-like protrusion sliding space 21f. In a state in which the first ridge-shaped protrusion 21a protrudes from the one-side ridge-shaped protrusion sliding space 21f, the pair of protruding pieces 21i of the one-side elastic member 21h spread out on both sides of the first ridge-shaped protrusion 21a.

[0077] In this manner, by projecting the first ridge-shaped protrusion 21a from the one-side ridge-shaped protrusion sliding space 21f, the first ridge-shaped protrusion 21a can be engaged with the first groove-shaped recess 11a. Furthermore, by protruding the first ridge-shaped convex portion 21a from the one-side ridge-shaped convex portion sliding space 21f, the pair of protruding pieces 21i spread out, and the first ridge-shaped convex portion 21a can be firmly engaged with the first groove-shaped concave portion 11a by the pair of protruding pieces 21i. The one-side joining member 21 and the other-side joining member 22 are connected by a rotating shaft 25. The one-side joining member 21 and the other-side joining member 22 can be rotated by a predetermined angle by the rotating shaft 25. Therefore, the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a can be easily engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a.

[0078] Figure 23 is a diagram showing another embodiment of a joining member used in the panel joining method of the present invention, in which Figure 23(a) shows the member attached to the panel, Figure 23(b) shows the member with the first ridge-like protrusion and the second ridge-like protrusion not protruding, and Figure 23(c) shows the member with the first ridge-like protrusion and the second ridge-like protrusion protruding. Figure 24 is a schematic diagram showing the sliding space of the ridge-shaped protrusion on one side of the joining member shown in Figure 23, where Figure 24(a) shows a state in which the first ridge-shaped protrusion is not protruding, and Figure 24(b) shows a state in which the first ridge-shaped protrusion is protruding. The joint member 20G according to this embodiment is disposed at an inner angle where the first panel 11 and the second panel 12 join.

[0079] The joining member 20G forms a one-side rib-like protrusion sliding space 21f in which the first rib-like protrusion 21a is disposed, and a second-side rib-like protrusion sliding space in which the second rib-like protrusion 22a is disposed. The second-side rib-like protrusion sliding space is not shown, but has the same configuration as the one-side rib-like protrusion sliding space 21f. The joining member 20G has a one-side ridge-shaped protrusion sliding space 21f and an other-side ridge-shaped protrusion sliding space in the member body. In this embodiment, the member body is a hexahedron. The one-side ridge-shaped protrusion sliding space 21f and the other-side ridge-shaped protrusion sliding space are arranged in a direction perpendicular to each other. One-side rib-like protrusion displacement member 21g is disposed in one-side rib-like protrusion sliding space 21f, and another-side rib-like protrusion displacement member 22g is disposed in the other-side rib-like protrusion sliding space. One-side elastic member 21h is disposed in one-side ridge-shaped protrusion sliding space 21f, and the other-side elastic member is disposed in the other-side ridge-shaped protrusion sliding space. The other-side elastic member is not shown, but has the same configuration as one-side elastic member 21h. The one-side elastic member 21h has a pair of protruding pieces 21i arranged outside the one-side ridge-shaped convex portion sliding space 21f. The other-side elastic member also has a pair of protruding pieces 22i arranged outside the other-side ridge-shaped convex portion sliding space, similar to the one-side elastic member 21h.

[0080] The first rib-like protrusion 21a is formed at an end of the one-side rib-like protrusion displacement member 21g. Therefore, by displacing the one-side rib-like protrusion displacement member 21g with respect to the one-side rib-like protrusion sliding space 21f, the first rib-like protrusion 21a protrudes from the one-side rib-like protrusion sliding space 21f. In a state in which the first ridge-shaped protrusion 21a protrudes from the one-side ridge-shaped protrusion sliding space 21f, the pair of protruding pieces 21i of the one-side elastic member 21h spread out on both sides of the first ridge-shaped protrusion 21a.

[0081] The second rib-like protrusion 22a is formed at an end of the other-side rib-like protrusion displacement member 22g. Therefore, by displacing the other-side rib-like protrusion displacement member 22g with respect to the other-side rib-like protrusion sliding space, the second rib-like protrusion 22a protrudes from the other-side rib-like protrusion sliding space. In a state in which the second ridge-shaped protrusion 22a protrudes from the other-side ridge-shaped protrusion sliding space, the pair of protruding pieces 22i of the other-side elastic member spread out on both sides of the second ridge-shaped protrusion 22a.

[0082] In this way, by protruding the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a from the one-side ridge-shaped convex portion sliding space 21f and the other-side ridge-shaped convex portion sliding space, the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a can be engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a. Furthermore, by having the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a protrude from the one-side ridge-shaped convex portion sliding space 21f and the other-side ridge-shaped convex portion sliding space, the pair of protruding pieces 21i, 22i expand, and the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a can be firmly engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a by the pair of protruding pieces 21i, 22i.

[0083] Figure 25 is a schematic diagram showing another embodiment of a foot fixing device used in the panel joining method of the present invention, in which Figure 25(a) shows the device attached to the first panel or the second panel, Figure 25(b) shows the device in a state where the ridge-like protrusions do not protrude and the sliding space of the ridge-like protrusions is visible, and Figure 25(c) shows the device in a state where the ridge-like protrusions protrude and the sliding space of the ridge-like protrusions is visible.

[0084] The foot fixing device 50A is attached to the first groove-shaped recess 11a of the first panel 11 or the second groove-shaped recess 12a of the second panel 12, thereby fixing the first panel 11 or the second panel 12 to the base. The foot fixing device 50A according to this embodiment forms a ridge-shaped protrusion 51a. The foot fixing device 50A is attached to the first panel 11 or the second panel 12 by engaging the ridge-shaped protrusion 51a with the first groove-shaped recess 11a or the second groove-shaped recess 12a. In addition, it is preferable that the foot fixing device 50A has a nail hole 52 formed therein. The foot fixing device 50A can be fixed to the shim 7 or the like by nailing into the nail holes 52. The foot fixing device 50A has a ridge-shaped protrusion sliding space 51f, and a ridge-shaped protrusion displacement member 51g is disposed in the ridge-shaped protrusion sliding space 51f. The ridge-shaped protrusion 51a is formed at an end of the ridge-shaped protrusion displacement member 51g. By displacing the ridge-shaped protrusion displacement member 51g with respect to the ridge-shaped protrusion sliding space 51f, the ridge-shaped protrusion 51a protrudes from the ridge-shaped protrusion sliding space 51f. In this way, by protruding the ridge-shaped convex portion 51a from the ridge-shaped convex portion sliding space 51f, it can be engaged with the first groove-shaped recess 11a or the second groove-shaped recess 12a, making it easy to attach the foot fixing device 50A to the first panel 11 or the second panel 12. An elastic member 51h is disposed in the ridge-shaped protrusion sliding space 51f. The elastic member 51h has a pair of protruding pieces 51i. In a state in which the ridge-shaped protrusion 51a protrudes from the ridge-shaped protrusion sliding space 51f, the pair of protruding pieces 51i of the elastic member 51h spread out on both sides of the ridge-shaped protrusion 51a. In this way, by protruding the ridge-shaped convex portion 51a from the ridge-shaped convex portion sliding space 51f, the pair of protruding pieces 51i spreads out, and the pair of protruding pieces 51i can be firmly engaged with the first groove-shaped recess 11a or the second groove-shaped recess 12a.

[0085] Figure 26 is a schematic diagram showing another embodiment of a pressing member used in the panel joining method of the present invention, in which Figure 26(a) shows a state in which the ridge-like protrusions are not protruding, Figure 26(b) shows a state in which the ridge-like protrusions are not protruding and the sliding space of the ridge-like protrusions is visible, Figure 26(c) shows a state in which the ridge-like protrusions are protruding, and Figure 26(d) shows a state in which the ridge-like protrusions are protruding and the sliding space of the ridge-like protrusions is visible. The pressing member 60A is attached to the first groove-shaped recess 11a of the first panel 11 or the second groove-shaped recess 12a of the second panel 12, thereby fixing the pipe material 6 to the first panel outer surface 11s or the second panel outer surface 12s. The pressing member 60A is used to fix a pipe material 6 having a circular cross section, such as a round steel pipe. The pressing member 60A has a ridge-shaped protrusion 61a which engages with the first groove-shaped recess 11a or the second groove-shaped recess 12a, and a pipe abutment surface 62 which abuts against the pipe material 6.

[0086] The pressing member 60A according to this embodiment is formed with a ridge-shaped protrusion 61a. The pressing member 60A is attached to the first panel 11 or the second panel 12 by engaging the ridge-shaped protrusion 61a with the first groove-shaped recess 11a or the second groove-shaped recess 12a. A ridge-shaped protrusion sliding space 61f is formed in the pressing member 60A, and a ridge-shaped protrusion displacement member 61g is arranged in the ridge-shaped protrusion sliding space 61f. By displacing the ridge-shaped protrusion displacement member 61g relative to the ridge-shaped protrusion sliding space 61f, the ridge-shaped protrusion 61a protrudes from the ridge-shaped protrusion sliding space 61f. In this way, by protruding the ridge-shaped convex portion 61a from the ridge-shaped convex portion sliding space 61f, it can be engaged with the first groove-shaped recess 11a or the second groove-shaped recess 12a, making it easy to attach the pressing member 60A to the first panel 11 or the second panel 12. An elastic member 61h is disposed in the ridge-shaped protrusion sliding space 61f. The elastic member 61h has a pair of protruding pieces 61i. In a state in which the ridge-shaped protrusion 61a protrudes from the ridge-shaped protrusion sliding space 61f, the pair of protruding pieces 61i of the elastic member 61h spread out on both sides of the ridge-shaped protrusion 61a. In this way, by protruding the ridge-shaped convex portion 61a from the ridge-shaped convex portion sliding space 61f, the pair of protruding pieces 61i spreads out, and the pair of protruding pieces 61i can firmly engage with the first groove-shaped recess 11a or the second groove-shaped recess 12a.

[0087] Figure 27 is a schematic diagram showing another embodiment of a pressing member used in the panel joining method of the present invention, in which Figure 27(a) shows a state in which the ridge-like protrusions are not protruding, Figure 27(b) shows a state in which the ridge-like protrusions are not protruding and the sliding space of the ridge-like protrusions is visible, Figure 27(c) shows a state in which the ridge-like protrusions are protruding, and Figure 27(d) shows a state in which the ridge-like protrusions are protruding and the sliding space of the ridge-like protrusions is visible. The pressing member 60B is attached to the first groove-shaped recess 11a of the first panel 11 or the second groove-shaped recess 12a of the second panel 12, thereby fixing the pipe material 6 to the first panel outer surface 11s or the second panel outer surface 12s. The pressing member 60B is used to fix the pipe material 6 having a polygonal cross section, such as a square steel pipe. The pressing member 60B has a ridge-shaped protrusion 61a which engages with the first groove-shaped recess 11a or the second groove-shaped recess 12a, and a pipe contact surface 62 which contacts the pipe 6.

[0088] The pressing member 60B according to this embodiment is formed with a ridge-shaped protrusion 61a. The pressing member 60B is attached to the first panel 11 or the second panel 12 by engaging the ridge-shaped protrusion 61a with the first groove-shaped recess 11a or the second groove-shaped recess 12a. A ridge-shaped protrusion sliding space 61f is formed in the pressing member 60B, and a ridge-shaped protrusion displacement member 61g is arranged in the ridge-shaped protrusion sliding space 61f. By displacing the ridge-shaped protrusion displacement member 61g relative to the ridge-shaped protrusion sliding space 61f, the ridge-shaped protrusion 61a protrudes from the ridge-shaped protrusion sliding space 61f. In this way, by protruding the ridge-shaped convex portion 61a from the ridge-shaped convex portion sliding space 61f, it can be engaged with the first groove-shaped recess 11a or the second groove-shaped recess 12a, making it easy to attach the pressing member 60B to the first panel 11 or the second panel 12. An elastic member 61h is disposed in the ridge-shaped protrusion sliding space 61f. The elastic member 61h has a pair of protruding pieces 61i. In a state in which the ridge-shaped protrusion 61a protrudes from the ridge-shaped protrusion sliding space 61f, the pair of protruding pieces 61i of the elastic member 61h spread out on both sides of the ridge-shaped protrusion 61a. In this way, by protruding the ridge-shaped convex portion 61a from the ridge-shaped convex portion sliding space 61f, the pair of protruding pieces 61i spreads out, and the pair of protruding pieces 61i can firmly engage with the first groove-shaped recess 11a or the second groove-shaped recess 12a.

[0089] Figure 28 is a diagram showing yet another embodiment of a joining member used in the panel joining method of the present invention, in which Figure 28(a) is a diagram showing the state when attached to a panel, Figure 28(b) is a diagram showing the state when the first ridge-shaped convex portion does not protrude and the second ridge-shaped convex portion protrudes, and Figure 28(c) is a diagram showing the state in which the sliding space of the ridge-shaped convex portion on one side and the sliding space of the ridge-shaped convex portion on the other side in Figure 28(b) are visible.

[0090] The joining member 20H according to this embodiment is disposed in a state in which the first panel 11 and the second panel 12 are arranged side by side on the same plane. By using the joining member 20H, the first panel 11 and the second panel 12 are joined together such that the first panel outer surface 11s and the second panel outer surface 12s are flush with each other. In this manner, by using the joining member 20H, the first panel 11 and the second panel 12 that are arranged side by side on the same plane can be easily joined together.

[0091] The joining member 20H forms a one-side rib-like protrusion sliding space 21f in which the first rib-like protrusion 21a is disposed, and forms an other-side rib-like protrusion sliding space 22f in which the second rib-like protrusion 22a is disposed. The joining member 20H has a one-side ridge-shaped protrusion sliding space 21f and an other-side ridge-shaped protrusion sliding space 22f formed in the member body. In this embodiment, the member body is a hexahedron. The one-side ridge-shaped protrusion sliding space 21f and the other-side ridge-shaped protrusion sliding space 22f are parallel to each other, and the first ridge-shaped protrusion 21a and the second ridge-shaped protrusion 22a protrude in the same direction. A one-side rib-like protrusion displacement member 21g is disposed in the one-side rib-like protrusion sliding space 21f, and an other-side rib-like protrusion displacement member 22g is disposed in the other-side rib-like protrusion sliding space 22f. A one-side elastic member 21h is disposed in the one-side ridge-shaped convex portion sliding space 21f, and an other-side elastic member 22h is disposed in the other-side ridge-shaped convex portion sliding space 22f. The one-side elastic member 21h has a pair of protruding pieces 21i arranged outside the one-side ridge-shaped convex portion sliding space 21f. The other-side elastic member 22h also has a pair of protruding pieces 22i arranged outside the other-side ridge-shaped convex portion sliding space 22f, similar to the one-side elastic member 21h.

[0092] The first rib-like protrusion 21a is formed at an end of the one-side rib-like protrusion displacement member 21g. Therefore, by displacing the one-side rib-like protrusion displacement member 21g with respect to the one-side rib-like protrusion sliding space 21f, the first rib-like protrusion 21a protrudes from the one-side rib-like protrusion sliding space 21f. In a state in which the first ridge-shaped protrusion 21a protrudes from the one-side ridge-shaped protrusion sliding space 21f, the pair of protruding pieces 21i of the one-side elastic member 21h spread out on both sides of the first ridge-shaped protrusion 21a.

[0093] The second rib-like protrusion 22a is formed at an end of the other-side rib-like protrusion displacement member 22g. Therefore, by displacing the other-side rib-like protrusion displacement member 22g with respect to the other-side rib-like protrusion sliding space 22f, the second rib-like protrusion 22a protrudes from the other-side rib-like protrusion sliding space 22f. In a state in which the second ridge-shaped protrusion 22a protrudes from the other-side ridge-shaped protrusion sliding space 22f, the pair of protruding pieces 22i of the other-side elastic member 22h spread out on both sides of the second ridge-shaped protrusion 22a.

[0094] In this way, by protruding the first ridge-shaped protrusion 21a and the second ridge-shaped protrusion 22a from the one-side ridge-shaped protrusion sliding space 21f and the other-side ridge-shaped protrusion sliding space 22f, the first ridge-shaped protrusion 21a and the second ridge-shaped protrusion 22a can be engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a. Furthermore, by having the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a protrude from the one-side ridge-shaped convex portion sliding space 21f and the other-side ridge-shaped convex portion sliding space 22f, the pair of protruding pieces 21i, 22i spread out, and therefore the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a can be firmly engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a by the pair of protruding pieces 21i, 22i.

[0095] The one-side rib-shaped protrusion displacement member 21g is provided with a one-side return cam member 21j, and the other-side rib-shaped protrusion displacement member 22g is provided with a other-side return cam member 22j. The one-side return cam member 21j is rotatably attached to the one-side rib-shaped protrusion displacement member 21g, and the other-side return cam member 22j is rotatably attached to the other-side rib-shaped protrusion displacement member 22g. By rotating the one-side return cam member 21j or the other-side return cam member 22j with the first rib-shaped protrusion 21a or the second rib-shaped protrusion 22a projecting, the first rib-shaped protrusion 21a or the second rib-shaped protrusion 22a can be returned to the one-side rib-shaped protrusion sliding space 21f or the other-side rib-shaped protrusion sliding space 22f.

[0096] Figure 29 is a diagram showing yet another embodiment of a joining member used in the panel joining method of the present invention, where Figure 29(a) is a diagram showing a state in which the first ridge-shaped protrusion does not protrude and the second ridge-shaped protrusion does protrude, Figure 28(b) is a diagram showing the sliding space of the ridge-shaped protrusion on one side and the sliding space of the ridge-shaped protrusion on the other side in Figure 28(a), Figure 29(c) is a diagram seen from the side in which the first ridge-shaped protrusion protrudes, and Figure 29(d) is a diagram seen from the side in which the first ridge-shaped protrusion does not protrude.

[0097] In the joint member 20J according to this embodiment, the first panel 11 and the second panel 12 are arranged side by side on the same plane, similar to the embodiment shown in FIG. By using the joining member 20J, the first panel 11 and the second panel 12 are joined together such that the first panel outer surface 11s and the second panel outer surface 12s are flush with each other. In this manner, by using the joining member 20J, the first panel 11 and the second panel 12 that are arranged side by side on the same plane can be easily joined together.

[0098] The joining member 20J forms a one-side rib-like protrusion sliding space 21f in which the first rib-like protrusion 21a is disposed, and forms an other-side rib-like protrusion sliding space 22f in which the second rib-like protrusion 22a is disposed. The joining member 20J has a one-side ridge-shaped protrusion sliding space 21f and an other-side ridge-shaped protrusion sliding space 22f formed in the member body. In this embodiment, the member body is a hexahedron. The one-side ridge-shaped protrusion sliding space 21f and the other-side ridge-shaped protrusion sliding space 22f are parallel to each other, and the first ridge-shaped protrusion 21a and the second ridge-shaped protrusion 22a protrude in the same direction. A one-side rib-like protrusion displacement member 21g is disposed in the one-side rib-like protrusion sliding space 21f, and an other-side rib-like protrusion displacement member 22g is disposed in the other-side rib-like protrusion sliding space 22f. A one-side elastic member 21h is disposed in the one-side ridge-shaped convex portion sliding space 21f, and an other-side elastic member 22h is disposed in the other-side ridge-shaped convex portion sliding space 22f. The one-side elastic member 21h has a pair of protruding pieces 21i arranged outside the one-side ridge-shaped convex portion sliding space 21f. The other-side elastic member 22h also has a pair of protruding pieces 22i arranged outside the other-side ridge-shaped convex portion sliding space 22f, similar to the one-side elastic member 21h.

[0099] The first rib-like protrusion 21a is formed at an end of the one-side rib-like protrusion displacement member 21g. Therefore, by displacing the one-side rib-like protrusion displacement member 21g with respect to the one-side rib-like protrusion sliding space 21f, the first rib-like protrusion 21a protrudes from the one-side rib-like protrusion sliding space 21f. In a state in which the first ridge-shaped protrusion 21a protrudes from the one-side ridge-shaped protrusion sliding space 21f, the pair of protruding pieces 21i of the one-side elastic member 21h spread out on both sides of the first ridge-shaped protrusion 21a.

[0100] The second rib-like protrusion 22a is formed at an end of the other-side rib-like protrusion displacement member 22g. Therefore, by displacing the other-side rib-like protrusion displacement member 22g with respect to the other-side rib-like protrusion sliding space 22f, the second rib-like protrusion 22a protrudes from the other-side rib-like protrusion sliding space 22f. In a state in which the second ridge-shaped protrusion 22a protrudes from the other-side ridge-shaped protrusion sliding space 22f, the pair of protruding pieces 22i of the other-side elastic member 22h spread out on both sides of the second ridge-shaped protrusion 22a.

[0101] In this way, by protruding the first ridge-shaped protrusion 21a and the second ridge-shaped protrusion 22a from the one-side ridge-shaped protrusion sliding space 21f and the other-side ridge-shaped protrusion sliding space 22f, the first ridge-shaped protrusion 21a and the second ridge-shaped protrusion 22a can be engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a. Furthermore, by having the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a protrude from the one-side ridge-shaped convex portion sliding space 21f and the other-side ridge-shaped convex portion sliding space 22f, the pair of protruding pieces 21i, 22i spread out, and therefore the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a can be firmly engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a by the pair of protruding pieces 21i, 22i.

[0102] The one-side ridge-shaped protrusion displacement member 21g is composed of a one-side ridge-shaped protrusion displacement member main body 21g1 which forms the first ridge-shaped protrusion 21a at its end, a one-side ridge-shaped protrusion displacement member operating body 21g3 which has a rotation fulcrum 21g2 on the member main body, and a one-side ridge-shaped protrusion displacement member link body 21g4. One end of the one-side ridge-shaped protrusion displacement member link body 21g4 has a pivot fulcrum 21g5 on the one-side ridge-shaped protrusion displacement member main body 21g1, and the other end of the one-side ridge-shaped protrusion displacement member link body 21g4 has a pivot fulcrum 21g6 on the one-side ridge-shaped protrusion displacement member operating body 21g3. The other-side ridge-shaped protrusion displacement member 22g has the same configuration as the one-side ridge-shaped protrusion displacement member 21g. With this configuration, by rotating the one-side ridge-shaped protrusion displacement member operating body 21g3 about the rotation fulcrum 21g2, the first ridge-shaped protrusion 21a can be protruded from the one-side ridge-shaped protrusion sliding space 21f, or the first ridge-shaped protrusion 21a can be returned to the one-side ridge-shaped protrusion sliding space 21f.

[0103] Figure 30 is a diagram showing yet another embodiment of a joining member used in the panel joining method of the present invention, in which Figure 30(a) is a diagram showing a state in which the second ridge-shaped protrusion is not protruding, Figure 30(b) is a diagram showing a state in which the second ridge-shaped protrusion is protruding, and Figure 30(c) is a diagram showing a state in which the second ridge-shaped protrusion is returned to the other-side ridge-shaped protrusion sliding space by the other-side return cam member.

[0104] The joint member 20K according to this embodiment is disposed at the outer corner of the joint between the first panel 11 and the second panel 12, similarly to the embodiment shown in FIGS. The joint member 20K has a first joint member 21 on which a first ridge-shaped protrusion 21a is arranged, and an other joint member 22 on which a second ridge-shaped protrusion 22a is arranged. A one-side ridge-like protrusion sliding space (not shown) is formed in one-side joining member 21, and a one-side ridge-like protrusion displacement member 21g is disposed in the one-side ridge-like protrusion sliding space (not shown). Further, a one-side elastic member (not shown) is disposed in the one-side ridge-like protrusion sliding space (not shown). The one-side elastic member (not shown) has a pair of protruding pieces 21i arranged outside the one-side ridge-shaped protruding portion sliding space (not shown).

[0105] An other-side ridge-like protrusion sliding space (not shown) is formed in the other-side joining member 22, and an other-side ridge-like protrusion displacement member 22g is disposed in the other-side ridge-like protrusion sliding space (not shown). Further, an other-side elastic member (not shown) is disposed in the other-side ridge-like convex portion sliding space (not shown). The other-side elastic member (not shown) has a pair of protruding pieces 22i disposed outside the other-side ridge-like protruding portion sliding space (not shown).

[0106] By displacing the one-side rib-like protrusion displacement member 21g relative to the one-side rib-like protrusion sliding space (not shown), the first rib-like protrusion 21a protrudes from the one-side rib-like protrusion sliding space (not shown). When the first rib-shaped protrusion 21a protrudes from the one-side rib-shaped protrusion sliding space (not shown), the pair of protruding pieces 21i of the one-side elastic member (not shown) spreads out on both sides of the first rib-shaped protrusion 21a.

[0107] By displacing the other-side rib-like protrusion displacement member 22g relative to the other-side rib-like protrusion sliding space (not shown), the second rib-like protrusion 22a protrudes from the other-side rib-like protrusion sliding space (not shown). When the second ridge-shaped protrusion 22a protrudes from the other-side ridge-shaped protrusion sliding space (not shown), the pair of protruding pieces 22i of the other-side elastic member (not shown) spreads out on both sides of the second ridge-shaped protrusion 22a.

[0108] In this way, by protruding the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a from one side ridge-shaped convex portion sliding space (not shown) and the other side ridge-shaped convex portion sliding space (not shown), the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a can be engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a. Furthermore, by having the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a protrude from one side ridge-shaped convex portion sliding space (not shown) and the other side ridge-shaped convex portion sliding space (not shown), the pair of protruding pieces 21i, 22i spread out, and therefore the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a can be firmly engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a by the pair of protruding pieces 21i, 22i. The one-side joining member 21 and the other-side joining member 22 are connected by a rotating shaft 25. The one-side joining member 21 and the other-side joining member 22 can be rotated by a predetermined angle by the rotating shaft 25. Therefore, the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a can be easily engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a.

[0109] The one-side rib-shaped protrusion displacement member 21g is provided with a one-side return cam member (not shown), and the other-side rib-shaped protrusion displacement member 22g is provided with a other-side return cam member 22j. The one-side return cam member (not shown) is rotatably attached to the one-side rib-shaped protrusion displacement member 21g, and the other-side return cam member 22j is rotatably attached to the other-side rib-shaped protrusion displacement member 22g. By rotating the one-side return cam member 21j or the other-side return cam member 22j with the first rib-shaped protrusion 21a or the second rib-shaped protrusion 22a projecting, the first rib-shaped protrusion 21a or the second rib-shaped protrusion 22a can be returned to the one-side rib-shaped protrusion sliding space (not shown) or the other-side rib-shaped protrusion sliding space (not shown). From the state shown in Fig. 30(a), the other-side ridge-shaped protrusion displacement member 22g is pressed against the member body, causing the second ridge-shaped protrusion 22a to protrude. At this time, as shown in Fig. 30(b), the other-side return cam member 22j abuts against the body and rotates a predetermined angle. Then, by pressing the other-side return cam member 22j in the direction of the arrow shown in FIG. 30(c), the second ridge-like protrusion 22a can be returned toward the other-side ridge-like protrusion sliding space (not shown).

[0110] Figure 31 is a diagram showing yet another embodiment of a joining member used in the panel joining method of the present invention, in which Figure 31(a) shows a state corresponding to Figure 19(a), Figure 31(b) shows a state in which the first ridge-shaped convex portion and the second ridge-shaped convex portion do not protrude, and Figure 31(c) shows a state in which the first ridge-shaped convex portion and the second ridge-shaped convex portion protrude. Figure 32 is a schematic diagram showing the movement of the joining members shown in Figure 30, where Figure 32(a) is a schematic diagram in which the sliding space of the ridge-shaped convex portion on one side and the sliding space of the ridge-shaped convex portion on the other side are visible, and Figure 32(b) is a schematic diagram in which the joining member on one side and the joining member on the other side are rotated by a specified angle.

[0111] The joint member 20L according to this embodiment is disposed at the outer corner where the first panel 11 and the second panel 12 join. The joint member 20L has a one-side joint member 21 on which a first ridge-shaped protrusion 21a is arranged, and an other-side joint member 22 on which a second ridge-shaped protrusion 22a is arranged. A one-side ridge-like protrusion sliding space 21f is formed in the one-side joining member 21, and a one-side ridge-like protrusion displacement member 21g is disposed in the one-side ridge-like protrusion sliding space 21f. Further, a one-side elastic member 21h is disposed in the one-side ridge-like protrusion sliding space 21f. The one-side elastic member 21h has a pair of protruding pieces 21i disposed outside the one-side ridge-shaped protrusion sliding space 21f.

[0112] An other-side ridge-like protrusion sliding space 22f is formed in the other-side joining member 22, and an other-side ridge-like protrusion displacement member 22g is disposed in the other-side ridge-like protrusion sliding space 22f. Further, an other-side elastic member 22h is disposed in the other-side ridge-like convex portion sliding space 22f. The other-side elastic member 22h has a pair of protruding pieces 22i disposed outside the other-side ridge-like protrusion sliding space 22f.

[0113] The first rib-like protrusion 21a is formed at an end of the one-side rib-like protrusion displacement member 21g. Therefore, by displacing the one-side rib-like protrusion displacement member 21g with respect to the one-side rib-like protrusion sliding space 21f, the first rib-like protrusion 21a protrudes from the one-side rib-like protrusion sliding space 21f. In a state in which the first ridge-shaped protrusion 21a protrudes from the one-side ridge-shaped protrusion sliding space 21f, the pair of protruding pieces 21i of the one-side elastic member 21h spread out on both sides of the first ridge-shaped protrusion 21a.

[0114] The second rib-like protrusion 22a is formed at an end of the other-side rib-like protrusion displacement member 22g. Therefore, by displacing the other-side rib-like protrusion displacement member 22g with respect to the other-side rib-like protrusion sliding space 22f, the second rib-like protrusion 22a protrudes from the other-side rib-like protrusion sliding space 22f. In a state in which the second ridge-shaped protrusion 22a protrudes from the other-side ridge-shaped protrusion sliding space 22f, the pair of protruding pieces 22i of the other-side elastic member 22h spread out on both sides of the second ridge-shaped protrusion 22a.

[0115] In this way, by protruding the first ridge-shaped protrusion 21a and the second ridge-shaped protrusion 22a from the one-side ridge-shaped protrusion sliding space 21f and the other-side ridge-shaped protrusion sliding space 22f, the first ridge-shaped protrusion 21a and the second ridge-shaped protrusion 22a can be engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a. Furthermore, by having the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a protrude from the one-side ridge-shaped convex portion sliding space 21f and the other-side ridge-shaped convex portion sliding space 22f, the pair of protruding pieces 21i, 22i spread out, and therefore the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a can be firmly engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a by the pair of protruding pieces 21i, 22i. The one-side joining member 21 and the other-side joining member 22 are connected by a rotating shaft 25. The one-side joining member 21 and the other-side joining member 22 can be rotated by a predetermined angle by the rotating shaft 25. Therefore, the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a can be easily engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a.

[0116] In this embodiment, as in the embodiment shown in Figure 29, the one-side ridge-shaped protrusion displacement member 21g is composed of a one-side ridge-shaped protrusion displacement member main body 21g1 having the first ridge-shaped protrusion 21a formed at its end, a one-side ridge-shaped protrusion displacement member operating body 21g3 having a pivot point 21g2 on the member main body, and a one-side ridge-shaped protrusion displacement member link body 21g4. One end of the one-side ridge-shaped protrusion displacement member link body 21g4 has a pivot fulcrum 21g5 on the one-side ridge-shaped protrusion displacement member main body 21g1, and the other end of the one-side ridge-shaped protrusion displacement member link body 21g4 has a pivot fulcrum 21g6 on the one-side ridge-shaped protrusion displacement member operating body 21g3. The other-side ridge-shaped protrusion displacement member 22g has the same configuration as the one-side ridge-shaped protrusion displacement member 21g. With this configuration, by rotating the one-side ridge-shaped protrusion displacement member operating body 21g3 about the rotation fulcrum 21g2, the first ridge-shaped protrusion 21a can be protruded from the one-side ridge-shaped protrusion sliding space 21f, or the first ridge-shaped protrusion 21a can be returned to the one-side ridge-shaped protrusion sliding space 21f.

[0117] Figure 33 is a diagram showing yet another embodiment of a joining member used in the panel joining method of the present invention, in which Figure 33(a) shows a state corresponding to Figure 23(a), Figure 33(b) shows a state in which the first ridge-shaped convex portion and the second ridge-shaped convex portion do not protrude, and Figure 33(c) shows a state in which the first ridge-shaped convex portion and the second ridge-shaped convex portion protrude. The joint member 20M according to this embodiment is disposed at an inner angle where the first panel 11 and the second panel 12 join.

[0118] The joining member 20M forms a one-side rib-like protrusion sliding space (not shown) in which the first rib-like protrusion 21a is disposed, and forms an other-side rib-like protrusion sliding space (not shown) in which the second rib-like protrusion 22a is disposed. The one-side rib-like protrusion sliding space and the other-side rib-like protrusion sliding space are the same as the one-side rib-like protrusion sliding space 21f and the other-side rib-like protrusion sliding space 22f described in the other embodiments. The joining member 20M has a one-side ridge-shaped protrusion sliding space and an other-side ridge-shaped protrusion sliding space formed in the member body. In this embodiment, the member body is a hexahedron. The one-side ridge-shaped protrusion sliding space and the other-side ridge-shaped protrusion sliding space are arranged in a direction perpendicular to each other. A one-side rib-like protrusion displacement member 21g is disposed in the one-side rib-like protrusion sliding space, and an other-side rib-like protrusion displacement member 22g is disposed in the other-side rib-like protrusion sliding space. A one-side elastic member (not shown) is disposed in the one-side ridge-shaped protrusion sliding space, and an other-side elastic member (not shown) is disposed in the other-side ridge-shaped protrusion sliding space. The one-side elastic member and the other-side elastic member have the same configuration as the one-side elastic member 21h and the other-side elastic member 22h described in the other embodiments. The one-side elastic member has a pair of protruding pieces 21i arranged outside the one-side ridge-shaped convex sliding space. The other-side elastic member also has a pair of protruding pieces 22i arranged outside the other-side ridge-shaped convex sliding space, similar to the one-side elastic member.

[0119] The first rib-like protrusion 21a is formed at an end of the one-side rib-like protrusion displacement member 21g. Therefore, by displacing the one-side rib-like protrusion displacement member 21g with respect to the one-side rib-like protrusion sliding space, the first rib-like protrusion 21a protrudes from the one-side rib-like protrusion sliding space. In a state in which the first rib-shaped protrusion 21a protrudes from the one-side rib-shaped protrusion sliding space, the pair of protruding pieces 21i of the one-side elastic member spread out on both sides of the first rib-shaped protrusion 21a.

[0120] The second rib-like protrusion 22a is formed at an end of the other-side rib-like protrusion displacement member 22g. Therefore, by displacing the other-side rib-like protrusion displacement member 22g with respect to the other-side rib-like protrusion sliding space, the second rib-like protrusion 22a protrudes from the other-side rib-like protrusion sliding space. In a state in which the second ridge-shaped protrusion 22a protrudes from the other-side ridge-shaped protrusion sliding space, the pair of protruding pieces 22i of the other-side elastic member spread out on both sides of the second ridge-shaped protrusion 22a.

[0121] In this way, by protruding the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a from the one-side ridge-shaped convex portion sliding space 21f and the other-side ridge-shaped convex portion sliding space, the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a can be engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a. Furthermore, by having the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a protrude from the one-side ridge-shaped convex portion sliding space 21f and the other-side ridge-shaped convex portion sliding space, the pair of protruding pieces 21i, 22i expand, and the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a can be firmly engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a by the pair of protruding pieces 21i, 22i.

[0122] In this embodiment, as in the embodiment shown in Figure 29, the one-side ridge-shaped protrusion displacement member 21g is composed of a one-side ridge-shaped protrusion displacement member main body 21g1 having the first ridge-shaped protrusion 21a formed at its end, a one-side ridge-shaped protrusion displacement member operating body 21g3 having a pivot point 21g2 on the member main body, and a one-side ridge-shaped protrusion displacement member link body 21g4. One end of the one-side ridge-shaped protrusion displacement member link body 21g4 has a pivot fulcrum 21g5 on the one-side ridge-shaped protrusion displacement member main body 21g1, and the other end of the one-side ridge-shaped protrusion displacement member link body 21g4 has a pivot fulcrum 21g6 on the one-side ridge-shaped protrusion displacement member operating body 21g3. The other-side ridge-shaped protrusion displacement member 22g has the same configuration as the one-side ridge-shaped protrusion displacement member 21g. With this configuration, by rotating the one-side ridge-shaped protrusion displacement member operating body 21g3 about the rotation fulcrum 21g2, the first ridge-shaped protrusion 21a can be protruded from the one-side ridge-shaped protrusion sliding space 21f, or the first ridge-shaped protrusion 21a can be returned to the one-side ridge-shaped protrusion sliding space 21f.

[0123] Figure 34 is a schematic diagram showing yet another embodiment of a foot fixing device used in the panel joining method of the present invention, with Figure 34(a) showing the state in which the ridge-like convex portion protrudes, Figure 34(b) showing the state in which it does not protrude, Figure 34(c) showing the state in which the ridge-like convex portion protrudes with the ridge-like convex portion sliding space visible, and Figure 25(b) showing the state in which the ridge-like convex portion does not protrude with the ridge-like convex portion sliding space visible.

[0124] The foot fixing device 50B is attached to the first groove-shaped recess 11a of the first panel 11 or the second groove-shaped recess 12a of the second panel 12, thereby fixing the first panel 11 or the second panel 12 to the base. The foot fixing device 50B according to this embodiment forms a ridge-shaped protrusion 51a. The foot fixing device 50B is attached to the first panel 11 or the second panel 12 by engaging the ridge-shaped protrusion 51a with the first groove-shaped recess 11a or the second groove-shaped recess 12a. In addition, it is preferable that the foot fixing device 50B has a nail hole 52 formed therein. The foot fixing device 50B can be fixed to the shim 7 or the like by nailing into the nailing holes 52. A ridge-shaped protrusion sliding space 51f is formed in the foot fixing device 50B, and a ridge-shaped protrusion displacement member 51g is disposed in the ridge-shaped protrusion sliding space 51f. The ridge-shaped protrusion 51a is formed at an end of the ridge-shaped protrusion displacement member 51g. By displacing the ridge-shaped protrusion displacement member 51g with respect to the ridge-shaped protrusion sliding space 51f, the ridge-shaped protrusion 51a protrudes from the ridge-shaped protrusion sliding space 51f.

[0125] In this way, by protruding the ridge-shaped convex portion 51a from the ridge-shaped convex portion sliding space 51f, it can be engaged with the first groove-shaped recess 11a or the second groove-shaped recess 12a, making it easy to attach the foot fixing device 50A to the first panel 11 or the second panel 12. An elastic member 51h is disposed in the ridge-shaped protrusion sliding space 51f. The elastic member 51h has a pair of protruding pieces 51i. In a state in which the ridge-shaped protrusion 51a protrudes from the ridge-shaped protrusion sliding space 51f, the pair of protruding pieces 51i of the elastic member 51h spread out on both sides of the ridge-shaped protrusion 51a. In this way, by protruding the ridge-shaped convex portion 51a from the ridge-shaped convex portion sliding space 51f, the pair of protruding pieces 51i spreads out, and the pair of protruding pieces 51i can be firmly engaged with the first groove-shaped recess 11a or the second groove-shaped recess 12a.

[0126] The ridge-shaped protrusion displacement member 51g is composed of a ridge-shaped protrusion displacement member main body 51g1 which forms the ridge-shaped protrusion 51a at its end, a ridge-shaped protrusion displacement member operating body 51g3 which has a rotation fulcrum 51g2 on the member main body, and a ridge-shaped protrusion displacement member link body 51g4. One end of the rib-shaped protrusion displacement member link body 51g4 has a rotation fulcrum 51g5 on the rib-shaped protrusion displacement member main body 51g1, and the other end of the rib-shaped protrusion displacement member link body 51g4 has a rotation fulcrum 51g6 on the rib-shaped protrusion displacement member operating body 51g3. With this configuration, by rotating the rib-shaped protrusion displacement member operating body 51g3 about the rotation fulcrum 51g2, the rib-shaped protrusion 51a can be made to protrude from the rib-shaped protrusion sliding space 51f, or the rib-shaped protrusion 51a can be returned to the rib-shaped protrusion sliding space 51f.

[0127] Figure 35 is a schematic diagram showing yet another embodiment of a pressing member used in the panel joining method of the present invention, in which Figure 35(a) shows a state in which the ridge-like protrusions are not protruding, Figure 35(b) shows a state in which the ridge-like protrusions are not protruding and the sliding space of the ridge-like protrusions is visible, Figure 35(c) shows a state in which the ridge-like protrusions are protruding, and Figure 35(d) shows a state in which the ridge-like protrusions are protruding and the sliding space of the ridge-like protrusions is visible. The pressing member 60C is attached to the first groove-shaped recess 11a of the first panel 11 or the second groove-shaped recess 12a of the second panel 12, thereby fixing the pipe material 6 to the first panel outer surface 11s or the second panel outer surface 12s. The pressing member 60C is used to fix a pipe material 6 having a circular cross section, such as a round steel pipe. The pressing member 60C has a ridge-shaped protrusion 61a which engages with the first groove-shaped recess 11a or the second groove-shaped recess 12a, and a pipe contact surface 62 which contacts the pipe 6.

[0128] The pressing member 60C according to this embodiment is formed with a ridge-shaped protrusion 61a. The pressing member 60C is attached to the first panel 11 or the second panel 12 by engaging the ridge-shaped protrusion 61a with the first groove-shaped recess 11a or the second groove-shaped recess 12a. A rib-shaped protrusion sliding space 61f is formed in the pressing member 60C, and a rib-shaped protrusion displacement member 61g is disposed in the rib-shaped protrusion sliding space 61f. The rib-shaped protrusion 61a is formed at an end of the rib-shaped protrusion displacement member 61g. By displacing the rib-shaped protrusion displacement member 61g with respect to the rib-shaped protrusion sliding space 61f, the rib-shaped protrusion 61a protrudes from the rib-shaped protrusion sliding space 61f. In this way, by protruding the ridge-shaped convex portion 61a from the ridge-shaped convex portion sliding space 61f, it can be engaged with the first groove-shaped recess 11a or the second groove-shaped recess 12a, making it easy to attach the pressing member 60C to the first panel 11 or the second panel 12. An elastic member 61h is disposed in the ridge-shaped protrusion sliding space 61f. The elastic member 61h has a pair of protruding pieces 61i. In a state in which the ridge-shaped protrusion 61a protrudes from the ridge-shaped protrusion sliding space 61f, the pair of protruding pieces 61i of the elastic member 61h spread out on both sides of the ridge-shaped protrusion 61a. In this way, by protruding the ridge-shaped convex portion 61a from the ridge-shaped convex portion sliding space 61f, the pair of protruding pieces 61i spreads out, and the pair of protruding pieces 61i can firmly engage with the first groove-shaped recess 11a or the second groove-shaped recess 12a.

[0129] Although explanations of the symbols will be omitted, the ridge-shaped protrusion displacement member 61g, similar to that described in the embodiment of Figure 34, is composed of a ridge-shaped protrusion displacement member main body having the ridge-shaped protrusion 61a formed at its end, a ridge-shaped protrusion displacement member operating body having a rotation fulcrum on the member main body, and a ridge-shaped protrusion displacement member link body. One end of the ridge-shaped protrusion displacement member link body has a pivot point on the ridge-shaped protrusion displacement member main body, and the other end of the ridge-shaped protrusion displacement member link body has a pivot point on the ridge-shaped protrusion displacement member operating body. With this configuration, by rotating the rib-like protrusion displacement member operating body about the rotation fulcrum 2, the rib-like protrusion 51a can be protruded from the rib-like protrusion sliding space 61f, or the rib-like protrusion 61a can be returned to the rib-like protrusion sliding space 61f.

[0130] Figure 36 is a schematic diagram showing yet another embodiment of a pressing member used in the panel joining method of the present invention, in which Figure 36(a) shows a state in which the ridge-shaped protrusions are not protruding, Figure 36(b) shows a state in which the ridge-shaped protrusions are not protruding and the sliding space of the ridge-shaped protrusions is visible, Figure 36(c) shows a state in which the ridge-shaped protrusions are protruding, and Figure 36(d) shows a state in which the ridge-shaped protrusions are protruding and the sliding space of the ridge-shaped protrusions is visible. The pressing member 60D is attached to the first groove-shaped recess 11a of the first panel 11 or the second groove-shaped recess 12a of the second panel 12, thereby fixing the pipe material 6 to the first panel outer surface 11s or the second panel outer surface 12s. The pressing member 60D is used to fix a pipe material 6 having a polygonal cross section, such as a square steel pipe. The pressing member 60D has a ridge-shaped protrusion 61a which engages with the first groove-shaped recess 11a or the second groove-shaped recess 12a, and a pipe abutment surface 62 which abuts against the pipe material 6.

[0131] The pressing member 60D according to this embodiment is formed with a ridge-shaped protrusion 61a. The pressing member 60D is attached to the first panel 11 or the second panel 12 by engaging the ridge-shaped protrusion 61a with the first groove-shaped recess 11a or the second groove-shaped recess 12a. A ridge-shaped protrusion sliding space 61f is formed in the pressing member 60D, and a ridge-shaped protrusion displacement member 61g is disposed in the ridge-shaped protrusion sliding space 61f. The ridge-shaped protrusion 61a is formed at an end of the ridge-shaped protrusion displacement member 61g. By displacing the ridge-shaped protrusion displacement member 61g with respect to the ridge-shaped protrusion sliding space 61f, the ridge-shaped protrusion 61a protrudes from the ridge-shaped protrusion sliding space 61f. In this way, by protruding the ridge-shaped convex portion 61a from the ridge-shaped convex portion sliding space 61f, it can be engaged with the first groove-shaped recess 11a or the second groove-shaped recess 12a, making it easy to attach the pressing member 60D to the first panel 11 or the second panel 12. An elastic member 61h is disposed in the ridge-shaped protrusion sliding space 61f. The elastic member 61h has a pair of protruding pieces 61i. In a state in which the ridge-shaped protrusion 61a protrudes from the ridge-shaped protrusion sliding space 61f, the pair of protruding pieces 61i of the elastic member 61h spread out on both sides of the ridge-shaped protrusion 61a. In this way, by protruding the ridge-shaped convex portion 61a from the ridge-shaped convex portion sliding space 61f, the pair of protruding pieces 61i spreads out, and the pair of protruding pieces 61i can firmly engage with the first groove-shaped recess 11a or the second groove-shaped recess 12a.

[0132] Although explanations of the symbols will be omitted, the ridge-shaped protrusion displacement member 61g, similar to that described in the embodiment of Figure 34, is composed of a ridge-shaped protrusion displacement member main body having the ridge-shaped protrusion 61a formed at its end, a ridge-shaped protrusion displacement member operating body having a rotation fulcrum on the member main body, and a ridge-shaped protrusion displacement member link body. One end of the ridge-shaped protrusion displacement member link body has a pivot point on the ridge-shaped protrusion displacement member main body, and the other end of the ridge-shaped protrusion displacement member link body has a pivot point on the ridge-shaped protrusion displacement member operating body. With this configuration, by rotating the rib-like protrusion displacement member operating body about the rotation fulcrum 2, the rib-like protrusion 51a can be protruded from the rib-like protrusion sliding space 61f, or the rib-like protrusion 61a can be returned to the rib-like protrusion sliding space 61f.

[0133] A further embodiment of the panel joining method according to the present invention will now be described. FIG. 37 is a side view of the main part of a structure in a construction state, illustrating the panel joining method according to this embodiment. The formwork panel according to this embodiment is a panel 10 used in construction when pouring concrete, and is used by joining adjacent panels 10 using joining members 20 instead of crosspieces.

[0134] As shown in FIG. 37, in the construction of a form for a concrete structure, a wall body 10c is supported by a beam support 3 at the beam portion, and the beam support 3 is held by a pipe support 4. In this embodiment, the wall body 10c is a second panel used as a bottom surface. A pair of walls 10a and 10b are joined to the wall body 10c. In this embodiment, the pair of walls 10a and 10b are first panels. Concrete is poured into the space 2 surrounded by the pair of walls 10a and 10b and the wall body 10c. A fastening member 5 is attached to the pair of wall bodies 10a, 10b in order to keep the distance between the pair of wall bodies 10a, 10b constant. The fastening member 5 is composed of a separator 5a, a pair of cones 5b, a pair of fastening member bodies 5c, and a pair of washers 5d. The walls 10a, 10b, and 10c are constructed by joining a number of panels 10. Crosspieces are generally used to join the panels 10. Crosspieces are sometimes used to increase the rigidity of the panels 10, but in this embodiment, horizontal pipe members 6b are arranged at predetermined intervals on the outer surfaces of the panels 10 of the walls 10a and 10b, and these horizontal pipe members 6b ensure the rigidity of the panels 10. The pipe members 6 support the load applied to the panels 10 when concrete is poured. In this embodiment, the first panel is butted against the second panel perpendicularly, and a joint member 20N is disposed at the outer corner of the joint between the first panel and the second panel. A frame member 80 for the support is attached to the beam under support 3 which supports the second panel from below.

[0135] 38 is a diagram showing the essential configuration of FIG. 37, where FIG. 38(a) is an enlarged view of the essential portion of FIG. 37, FIG. 38(b) is a cross-sectional view of the frame member for the receiver material, and FIG. 38(c) is a perspective view of the frame member for the receiver material. In the panel joining method according to the present embodiment, a pipe material made of a steel pipe is used as the beam support member 3. The pipe material is preferably a square steel pipe, but a round steel pipe can also be used. The beam support material (pipe material) 3 is used by being inserted into a support material frame member 80. In this embodiment, the material frame member 80 is provided on a part of the beam support material (pipe material) 3, but it may be provided over the entire length of the support material (pipe material) 3. By using a pipe material made of a steel pipe as the beam support material 3, sufficient strength can be maintained and the number of pipe supports 4 can be reduced. A joint member holder 91 for holding the joint member 20N is attached to the upper surface of the receiving member frame member 80. A pipe support holding material 100 for holding the upper end of the pipe support 4 is attached to the lower surface of the support frame member 80 . A pair of upper surface protrusions 81 are formed on both longitudinal sides of the upper surface of the frame member 80 for the receiving material, and a pair of lower surface protrusions 82 are formed on both longitudinal sides of the lower surface of the frame member 80 for the receiving material. The joint member holder 91 is formed with a pair of locking portions 91a corresponding to the pair of upper surface protrusions 81. The joint member holder 91 can slide relative to the receiving frame member 80 with the pair of locking portions 91a locked to the pair of upper surface protrusions 81.

[0136] The pipe support holding material 100 is formed with a pair of locking portions 100a corresponding to the pair of lower surface protrusions 82. The pipe support holding material 100 can slide relative to the receiving frame member 80 with the pair of locking portions 100a locked to the pair of lower surface protrusions 82. The joint member holder 91 is formed with a joint member holder 91b for holding the joint member 20N. The pipe support holding material 100 is formed with a tubular portion 100b into which the upper end of the pipe support 4 can be inserted. When the pipe support 4 is a square steel pipe, the tubular portion 100b is preferably a square tubular portion as shown in the figure, but when the pipe support 4 is a round steel pipe, it is preferably a round tubular portion.

[0137] Figure 39 shows the state after the beam support material, the frame member for the support material, the joint member retaining material, and the joint member are installed, where Figure 39(a) shows the state when the first panel and the second panel are present, and Figure 39(b) shows the state when the first panel and the second panel are absent. Moreover, FIG. 40 is a configuration diagram showing the state in which the frame member for the receiving member, the joint member holding member, and the joint member are attached, and is a configuration diagram seen from an angle different from that of FIG. 40(a) and FIG. 40(b).

[0138] According to this embodiment, the joint member 20N used for the second panel that forms the bottom surface can be held by the joint member holder 80. Furthermore, according to this embodiment, sufficient strength can be maintained by using the pipe material, and the joint member holder can be attached by the support frame member. Furthermore, according to this embodiment, the pipe support holding material can be attached by the support frame member. Furthermore, according to this embodiment, the position of the joint member holder can be easily adjusted, and the joint members can be easily attached. Furthermore, according to this embodiment, the position of the pipe support holding member can be easily adjusted, and the pipe support can be easily attached.

[0139] Figure 41 is a structural diagram showing the joining member shown in Figures 39 and 40, and Figure 41(b) is a structural diagram showing a state in which one side joining member and the other side joining member are rotated by a predetermined angle compared to Figure 41(a).

[0140] The joint member 20N has a one-side joint member 21 on which the first ridge-shaped protrusion 21a is arranged, and an other-side joint member 22 on which the second ridge-shaped protrusion 22a is arranged. Although some of the components are not shown in the illustration, as in the other embodiments, a one-side ridge-shaped protrusion sliding space is formed in the one-side joining member 21, and a one-side ridge-shaped protrusion displacement member 21g is arranged in the one-side ridge-shaped protrusion sliding space. Further, a one-side elastic member is disposed in the one-side ridge-like protrusion sliding space. The one-side elastic member has a pair of protruding pieces 21i disposed outside the one-side ridge-like protruding portion sliding space.

[0141] An other-side ridge-like protrusion sliding space is formed in the other-side joining member 22, and an other-side ridge-like protrusion displacement member 22g is disposed in the other-side ridge-like protrusion sliding space. Further, an other-side elastic member is disposed in the other-side ridge-like protrusion sliding space. The other-side elastic member has a pair of protruding pieces 22i disposed outside the other-side ridge-like protruding portion sliding space.

[0142] The first rib-like protrusion 21a is formed at an end of the one-side rib-like protrusion displacement member 21g. Therefore, by displacing the one-side rib-like protrusion displacement member 21g with respect to the one-side rib-like protrusion sliding space, the first rib-like protrusion 21a protrudes from the one-side rib-like protrusion sliding space. In a state in which the first rib-shaped protrusion 21a protrudes from the one-side rib-shaped protrusion sliding space, the pair of protruding pieces 21i of the one-side elastic member spread out on both sides of the first rib-shaped protrusion 21a.

[0143] The second rib-like protrusion 22a is formed at an end of the other-side rib-like protrusion displacement member 22g. Therefore, by displacing the other-side rib-like protrusion displacement member 22g with respect to the other-side rib-like protrusion sliding space, the second rib-like protrusion 22a protrudes from the other-side rib-like protrusion sliding space. In a state in which the second ridge-shaped protrusion 22a protrudes from the other-side ridge-shaped protrusion sliding space, the pair of protruding pieces 22i of the other-side elastic member spread out on both sides of the second ridge-shaped protrusion 22a.

[0144] In this way, by protruding the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a from the one-side ridge-shaped convex portion sliding space and the other-side ridge-shaped convex portion sliding space, the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a can be engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a. Furthermore, by having the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a protrude from the one-side ridge-shaped convex portion sliding space and the other-side ridge-shaped convex portion sliding space, the pair of protruding pieces 21i, 22i spread out, and the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a can be firmly engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a by the pair of protruding pieces 21i, 22i. The one-side joining member 21 and the other-side joining member 22 are connected by a rotating shaft 25. The one-side joining member 21 and the other-side joining member 22 can be rotated by a predetermined angle by the rotating shaft 25. Therefore, the first ridge-shaped convex portion 21a and the second ridge-shaped convex portion 22a can be easily engaged with the first groove-shaped recess 11a and the second groove-shaped recess 12a.

[0145] The one-side rib-shaped protrusion displacement member 21g is provided with a one-side return cam member 21j, and the other-side rib-shaped protrusion displacement member 22g is provided with a other-side return cam member 22j. The one-side return cam member 21j is rotatably attached to the one-side rib-shaped protrusion displacement member 21g, and the other-side return cam member 22j is rotatably attached to the other-side rib-shaped protrusion displacement member 22g. By rotating the one-side return cam member 21j or the other-side return cam member 22j with the first rib-shaped protrusion 21a or the second rib-shaped protrusion 22a projecting, the first rib-shaped protrusion 21a or the second rib-shaped protrusion 22a can be returned to the one-side rib-shaped protrusion sliding space 21f or the other-side rib-shaped protrusion sliding space 22f. The joint member 20N according to this embodiment is formed with a protrusion 26 that engages with the joint member holding portion 91b.

[0146] FIG. 42 shows the operation of attaching the joining member shown in FIG. 41 to the position shown in FIG. 38 or FIG. 39(a). First, in the state shown in FIG. 42(a), the other-side joint member 22 is brought into contact with the lower surface of the second panel (wall body 10c) 12. Then, as shown in FIG. 42(a), the second ridge-shaped protrusion displacement member 22g is pressed, whereby the second ridge-shaped protrusion 22a is engaged with the second groove-shaped recess 12a of the second panel 12. After the second ridge-shaped protrusions 22a are engaged with the second groove-shaped recesses 12a, the one-side joint member 21 is rotated as shown in FIG. 42(c) so that the one-side joint member 21 is brought into contact with the outer surface of the first panel (wall body 10a) 11. Then, as shown in FIG. 42(d), the first rib-shaped protrusion displacement member 21g is pressed, whereby the first rib-shaped protrusion 21a is engaged with the first groove-shaped recess 11a of the first panel 11.

[0147] FIG. 43 shows a joint member different from the joint members shown in FIGS. 39 to 42, and is a configuration diagram corresponding to FIG. 44 is a diagram showing the operation of the joining member shown in FIG. 43, which corresponds to that shown in FIG. A joint member 20N according to this embodiment is obtained by forming a protrusion 26 on the joint member 20L shown in FIGS.

[0148] As described with reference to Figures 37 to 43, the method of joining panels in this embodiment involves forming a first groove-shaped recess 11a in a first panel outer surface 11s of the first panel 11, forming a second groove-shaped recess 12a in a second panel outer surface 12s of the second panel 12 joined adjacent to the first panel 11, and the joining members 20N, 20P having a first ridge-shaped protrusion 21a that engages with the first groove-shaped recess 11a and a second ridge-shaped protrusion 22a that engages with the second groove-shaped recess 12a, and joining the first panel 11 and the second panel 12 together by engaging the first ridge-shaped protrusion 21a with the first groove-shaped recess 11a and engaging the second ridge-shaped protrusion 22a with the second groove-shaped recess 12a, and assembling the panels into a wall shape, Using the second panel 12 as the bottom surface, the first panel 11 is butted perpendicularly to the second panel 12, and joining members 20N, 20P are positioned at the outer corners of the joint between the first panel 11 and the second panel 12. A frame member 80 for the support member is attached to the beam under support member 3 that supports the second panel 12 from below, and a joining member holder 90 that holds the joining members 20N, 20P is attached to the upper surface of the frame member 80 for the support member. According to this embodiment, the first panel 11 and the second panel 12 can be assembled into a wall by engaging the first rib-like convex portion 21a and the second rib-like convex portion 22a of the joining members 20N, 20P with the first groove-like recess 11a and the second groove-like recess 12a, and the joining members 20N, 20P used for the second panel 12, which forms the bottom surface, can be held by the joining member holding material 91.

[0149] FIG. 45 is a side view of a main portion of a structure in a construction state, illustrating a panel joining method according to another embodiment of the present invention. 46 is a diagram showing the essential configuration of FIG. 45, where FIG. 46(a) is an enlarged view of the essential portion of FIG. 45, FIG. 46(b) is a cross-sectional view of the frame member for the receiver material, and FIG. 46(c) is a perspective view of the frame member for the receiver material. The formwork panel according to this embodiment is a panel 10 used in construction when pouring concrete, and uses battens as joint members 20X. The basic structure is the same as that of the embodiment in Figures 37 and 38, so the same reference numerals are used and some of the explanation will be omitted.

[0150] The method of joining formwork panels according to this embodiment used in construction when pouring concrete involves using crosspieces as joining members 20X, joining a first panel 11 (wall body 10a) and a second panel (wall body 10c) 12, assembling the panels into a wall shape, using the second panel as the bottom surface, butting the first panel perpendicular to the second panel, attaching a support member frame member 80 to a beam under support member 3 that supports the second panel from below, using a pipe material as the beam under support member 3 and inserting the pipe material into the support member frame member 80, attaching a joining member holding member 92 that holds the joining member 20X to the upper surface of the support member frame member 80, attaching a pipe support holding member 100 that holds the upper end of the pipe support 4 to the lower surface of the support member frame member 80, and arranging the joining member holding member 92 and the pipe support holding member 100 to be slidable relative to the support member frame member 80. The joint member holding material 92 is formed with a pair of locking portions 92a corresponding to the pair of upper surface protrusions 81. The joint member holding material 92 can slide relative to the receiving material frame member 80 in a state in which the pair of locking portions 92a are locked to the pair of upper surface protrusions 81. The joint member holder 92 is formed with a joint member holder 92b for holding the joint member 20X.

[0151] As shown in Figures 46(c) and 46(d), it is preferable to have a plurality of types of joint member holders 92 with different heights from the top surface of the receiving frame member 80 to the joint member holders 92b. By having joint member holders 92 with different heights of the joint member holders 92b in this way, it is possible to use different types of joint member holders 92 depending on the thickness of the crosspieces used as the joint members 20X. Note that, although this embodiment shows joint member holders 92 with different heights of the joint member holders 92b, joint member holders 92 in which the height of the joint member holders 92b can be changed may also be used. According to this embodiment, the joining member 20X used for the second panel which forms the bottom surface can be held by the joining member holding material 92, sufficient strength can be maintained by using a pipe material, the joining member holding material 92 can be attached by the receiving frame member 80, the pipe support holding material 100 can be attached by the receiving frame member 80, it is easy to adjust the position of the joining member holding material 92, it is easy to attach the joining member 20X, it is easy to adjust the position of the pipe support holding material 100, and it is easy to attach the pipe support 4. [Industrial Applicability]

[0152] INDUSTRIAL APPLICABILITY The present invention can be used as a method for joining panels that form form panels used in construction when pouring concrete, partition panels that divide spaces, or wall panels or ceiling panels for temporary buildings. [Explanation of symbols]

[0153] 1. Foundation 2 space 3 Beam support material 4 Pipe Support 5 Fastening hardware 5a Separator 5b Corn 5c Fastening bracket body 5d Washer 6 Pipe material 6a Vertical pipe material 6b Horizontal pipe material 7. Shims 10 Panel 10a, 10b, 10c wall 11 Panel 1 11a First groove-shaped recess 11s 1st panel outer surface 12 Second Panel 12a Second groove-shaped recess 12s 2nd panel outer surface 20, 20A, 20B, 20C, 20D, 20E, 20F, 20G, 20H, 20J, 20K, 20L, 20M, 20N, 20P, 20X Joint materials 21 One side joint member 21a First ridge-shaped protrusion 21b Sliding space 21c 1st pin 21d One side joint member sliding space 21e Sliding groove 21f One side ridge-shaped convex part sliding space 21g One-side ridge-shaped convex displacement member 21g1 One side ridge-shaped convex portion displacement member body 21g2 Rotating fulcrum 21g3 One side ridge-shaped convex portion displacement member operating body 21g4 One side ridge-shaped convex portion displacement member link body 21g5 Rotating fulcrum 21g6 Rotating fulcrum 21h One side elastic member 21i protruding piece 21j One-way return cam member 22 Other side joint member 22a Second ridge-shaped protrusion 22c 2nd pin 22d: Sliding space of the other joining member 22e Roller section 22f: Sliding space of the ridge-like convex part on the other side 22g Other side ridge-shaped convex displacement member 22h Other side elastic member 22i protruding piece 22j Other return cam member 23 Displacement member 23a 1st groove 23b 2nd groove 23c 1st wedge 23d 2nd wedge 24 Joint member body 24a Sliding space 25 Rotational Axis 26 Protrusion 30 Spring retainer 31 One side leg 31a First ridge-shaped protrusion 32 Other side leg 32a Second ridge-shaped protrusion 33 Transformation section 40 Temporary inner corner fastening member 41a First ridge-shaped protrusion 42a Second ridge-shaped convex part 50, 50A, 50B Foot fixings 51a Ridged convex part 51f Ridge-shaped protruding part sliding space 51g Ridge-shaped convex displacement member 51g1 Ridge-shaped convex displacement member body 51g2 Rotating fulcrum 51g3 Ridge-shaped convex portion displacement member operating body 51g4 Ridge-shaped convex displacement member link body 51g5 Rotating fulcrum 51g6 Rotating fulcrum 51h Elastic member 51i protruding piece 52 Nail holes 60, 60A, 60B, 60C, 60D Retaining member 61a Ridged convex part 61f Ridge-shaped protruding part sliding space 61g Ridge-shaped convex displacement member 61h Elastic member 61i protruding piece 62 Pipe contact surface 70 Threading material 71 Flat surface 72 Main body of material 73 Ridged convex part 80 Frame member for receiving material 81 Top protrusion 82 Bottom protrusion 91 Joint component holding material 91a Locking part 91b Joint member holding part 92 Joint component holding material 92a Locking part 92b Joint member holding part 100 Pipe support retainer 100a Locking portion 100b cylinder part

Claims

1. A method for joining a plurality of panels using a joining member to form a formwork panel used in construction when pouring concrete, a partition panel for dividing a space, or a wall panel or a ceiling panel for a temporary building, comprising: A first groove-shaped recess is formed on the first panel outer surface of the first panel, A second groove-shaped recess is formed on an outer surface of a second panel that is adjacent to and joined to the first panel, The joining member is a first ridge-shaped protrusion that engages with the first groove-shaped recess; a second ridge-shaped protrusion that engages with the second groove-shaped recess; having The first panel and the second panel are joined together by engaging the first ridge-shaped protrusions with the first groove-shaped recesses and by engaging the second ridge-shaped protrusions with the second groove-shaped recesses, and the panels are assembled into a wall shape. A method for joining panels comprising the steps of:

2. The first groove-shaped recess is formed along a side surface of the first panel, The second groove-shaped recess is formed along a side surface of the second panel. The method for joining panels according to claim 1 .

3. The first groove-shaped recess is formed along four side surfaces of the first panel; The second groove-shaped recess is formed along four side surfaces of the second panel. The method for joining panels according to claim 1 .

4. The first panel and the second panel are butted together perpendicularly so that the first groove-shaped recess and the second groove-shaped recess are disposed on an inner angle surface; The joining member is disposed at the inner corner of the joint between the first panel and the second panel. The method for joining panels according to claim 1 .

5. The first panel and the second panel are butted together perpendicularly so that the first groove-shaped recess and the second groove-shaped recess are disposed on an outer corner surface; The joining member is disposed at the outer corner of the joint between the first panel and the second panel. The method for joining panels according to claim 1 .

6. The joining member is a first joining member forming the first ridge-shaped protrusion; An other-side joining member forming the second ridge-shaped protrusion; a displacement member disposed in a sliding space formed in the one-side joint member; having By displacing the displacement member with respect to the sliding space, the other-side joining member is displaced with respect to the one-side joining member, and the first ridge-like protrusion and the second ridge-like protrusion move closer to and away from each other. The method for joining panels according to claim 1 .

7. The joining member is a first joining member forming the first ridge-shaped protrusion; An other-side joining member forming the second ridge-shaped protrusion; a joining member main body for holding the one-side joining member and the other-side joining member; a displacement member disposed in a sliding space formed in the joining member body; having By displacing the displacement member with respect to the sliding space, the one-side joining member and the other-side joining member are displaced with respect to the joining member body, and the first ridge-shaped protrusion and the second ridge-shaped protrusion move closer to and away from each other. The method for joining panels according to claim 1 .

8. The joining member is a first joining member forming the first ridge-shaped protrusion; An other-side joining member forming the second ridge-shaped protrusion; having The first ridge-shaped protrusion and the second ridge-shaped protrusion are moved closer to and away from each other by displacing the one-side joint member relative to the other-side joint member. The method for joining panels according to claim 1 .

9. The joining member is a one-side joining member on which the first ridge-like protrusion is disposed; the other-side joining member on which the second ridge-like protrusion is disposed; having A sliding space for the ridge-like protrusion on one side is formed in the one-side joining member, The other-side joining member is provided with a sliding space for the other-side ridge-like protrusion, a one-side ridge-shaped protrusion displacement member is disposed in the one-side ridge-shaped protrusion sliding space; an other-side ridge-shaped protrusion displacement member is disposed in the other-side ridge-shaped protrusion sliding space; By displacing the one-side ridge-shaped protrusion displacement member relative to the one-side ridge-shaped protrusion sliding space, the first ridge-shaped protrusion protrudes from the one-side ridge-shaped protrusion sliding space, The second ridge-shaped protrusion protrudes from the other-side ridge-shaped protrusion sliding space by displacing the other-side ridge-shaped protrusion displacement member relative to the other-side ridge-shaped protrusion sliding space. The method for joining panels according to claim 1 .

10. a one-side elastic member is disposed in the one-side ridge-shaped protrusion sliding space; an other-side elastic member is disposed in the other-side ridge-like protrusion sliding space; The one-side elastic member and the other-side elastic member each have a pair of protruding pieces, When the first ridge-shaped protrusion protrudes from the one-side ridge-shaped protrusion sliding space, the pair of protruding pieces of the one-side elastic member spread out on both sides of the first ridge-shaped protrusion, When the second ridge-shaped protrusion protrudes from the other-side ridge-shaped protrusion sliding space, the pair of protruding pieces of the other-side elastic member spread out on both sides of the second ridge-shaped protrusion. The method for joining panels according to claim 9 .

11. The joining member is a one-side joining member on which the first ridge-like protrusion is disposed; the other-side joining member on which the second ridge-like protrusion is disposed; having A sliding space for the ridge-like protrusion on one side is formed in the one-side joining member, a one-side ridge-shaped protrusion displacement member is disposed in the one-side ridge-shaped protrusion sliding space; The one-side ridge-shaped protrusion displacement member is displaced relative to the one-side ridge-shaped protrusion sliding space, so that the first ridge-shaped protrusion protrudes from the one-side ridge-shaped protrusion sliding space. The method for joining panels according to claim 1 .

12. a one-side elastic member is disposed in the one-side ridge-shaped protrusion sliding space; The one-side elastic member has a pair of protruding pieces, When the first ridge-shaped protrusion protrudes from the one-side ridge-shaped protrusion sliding space, the pair of protruding pieces of the one-side elastic member spread out on both sides of the first ridge-shaped protrusion. The method for joining panels according to claim 11.

13. The one-side joint member and the other-side joint member are provided so as to be rotatable by a predetermined angle. The method for joining panels according to claim 9 or 11.

14. The joining member is forming a one-side ridge-shaped protrusion sliding space in which the first ridge-shaped protrusion is disposed; forming an other-side ridge-shaped protrusion sliding space in which the second ridge-shaped protrusion is disposed; a one-side ridge-shaped protrusion displacement member is disposed in the one-side ridge-shaped protrusion sliding space; an other-side ridge-shaped protrusion displacement member is disposed in the other-side ridge-shaped protrusion sliding space; By displacing the one-side ridge-shaped protrusion displacement member relative to the one-side ridge-shaped protrusion sliding space, the first ridge-shaped protrusion protrudes from the one-side ridge-shaped protrusion sliding space, The second ridge-shaped protrusion protrudes from the other-side ridge-shaped protrusion sliding space by displacing the other-side ridge-shaped protrusion displacement member relative to the other-side ridge-shaped protrusion sliding space. The method for joining panels according to claim 1 .

15. a one-side elastic member is disposed in the one-side ridge-shaped protrusion sliding space; an other-side elastic member is disposed in the other-side ridge-like protrusion sliding space; The one-side elastic member and the other-side elastic member each have a pair of protruding pieces, When the first ridge-shaped protrusion protrudes from the one-side ridge-shaped protrusion sliding space, the pair of protruding pieces of the one-side elastic member spread out on both sides of the first ridge-shaped protrusion, When the second ridge-shaped protrusion protrudes from the other-side ridge-shaped protrusion sliding space, the pair of protruding pieces of the other-side elastic member spread out on both sides of the second ridge-shaped protrusion. The method for joining panels according to claim 14.

16. A foot fixing device is provided for fixing the first panel or the second panel to a base, The foot fixing device is provided with a ridge-shaped protrusion, The foot fixing device is attached to the first panel or the second panel by engaging the ridge-shaped protrusion with the first groove-shaped recess or the second groove-shaped recess. The method for joining panels according to claim 1 .

17. The foot fixing device is provided with a ridge-shaped protruding portion sliding space, a ridge-shaped protrusion displacement member is disposed in the ridge-shaped protrusion sliding space; The ridge-shaped protrusion displacement member is displaced relative to the ridge-shaped protrusion sliding space, so that the ridge-shaped protrusion protrudes from the ridge-shaped protrusion sliding space. The method for joining panels according to claim 16.

18. a pressing member for fixing a pipe material to the outer surface of the first panel or the outer surface of the second panel; The pressing member is formed with a pipe contact surface that contacts the pipe material and a ridge-like protrusion, The pressing member is attached to the first panel or the second panel by engaging the ridge-shaped protrusion with the first groove-shaped recess or the second groove-shaped recess. The method for joining panels according to claim 1 .

19. A ridge-shaped protrusion sliding space is formed in the pressing member, a ridge-shaped protrusion displacement member is disposed in the ridge-shaped protrusion sliding space; The ridge-shaped protrusion displacement member is displaced relative to the ridge-shaped protrusion sliding space, so that the ridge-shaped protrusion protrudes from the ridge-shaped protrusion sliding space. The method for joining panels according to claim 18.

20. An elastic member is disposed in the ridge-shaped protrusion sliding space, The elastic member has a pair of protruding pieces, When the ridge-shaped protrusion protrudes from the ridge-shaped protrusion sliding space, the pair of protruding pieces of the elastic member are spread out on both sides of the ridge-shaped protrusion. The method for joining panels according to claim 17 or 19.

21. The second panel is used as a bottom surface, the first panel is butted against the second panel perpendicularly, and the joining member is disposed at an outer corner of the joint between the first panel and the second panel; A support frame member is attached to a beam support member that supports the second panel from below; A joint member holder for holding the joint member is attached to the upper surface of the receiving member frame member. The method for joining panels according to claim 1 .

22. A pipe material is used as the beam support material, The pipe material is inserted into the frame member for receiving material. The method for joining panels according to claim 21.

23. A pipe support holder for holding the upper end of the pipe support is attached to the lower surface of the support frame member. The method for joining panels according to claim 21.

24. The joint member holder is provided slidably relative to the support frame member. The method for joining panels according to claim 21.

25. The pipe support holder is provided slidably relative to the support frame member. The method for joining panels according to claim 23.

26. A method for joining formwork panels used in pouring concrete by joining a plurality of panels using a joining member, A first groove-shaped recess is formed on the first panel outer surface of the first panel, A second groove-shaped recess is formed on an outer surface of a second panel that is adjacent to and joined to the first panel, The joining member is a first ridge-shaped protrusion that engages with the first groove-shaped recess; a second ridge-shaped protrusion that engages with the second groove-shaped recess; having the first ridge-shaped protrusion is engaged with the first groove-shaped recess and the second ridge-shaped protrusion is engaged with the second groove-shaped recess to join the first panel and the second panel together and assemble the panels into a wall shape; The second panel is used as a bottom surface, the first panel is butted against the second panel perpendicularly, and the joining member is disposed at an outer corner of the joint between the first panel and the second panel; A support frame member is attached to a beam support member that supports the second panel from below; A joint member holder for holding the joint member is attached to the upper surface of the receiving member frame member. A method for joining panels comprising the steps of:

27. A pipe material is used as the beam support material, The pipe material is inserted into the frame member for receiving material. The method for joining panels according to claim 26.

28. A pipe support holder for holding the upper end of the pipe support is attached to the lower surface of the support frame member. The method for joining panels according to claim 26.

29. The joint member holder is provided slidably relative to the support frame member. The method for joining panels according to claim 26.

30. The pipe support holder is provided slidably relative to the support frame member. The method for joining panels according to claim 26.

31. A method for joining formwork panels used in pouring concrete by joining a plurality of panels using a joining member, A batten is used as the joining member, The first panel and the second panel are joined together to assemble the panels into a wall shape; The second panel is used as a bottom surface, and the first panel is butted against the second panel perpendicularly; A support frame member is attached to a beam support member that supports the second panel from below; A pipe material is used as the beam support material, The pipe material is inserted into the frame member for receiving material, a joint member holder for holding the joint member is attached to an upper surface of the support member frame member; A pipe support holder for holding an upper end of the pipe support is attached to the lower surface of the support frame member; The joint member holder and the pipe support holder are provided slidably relative to the support frame member. A method for joining panels comprising the steps of:

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