Method for repairing a structure and method for manufacturing a structure

Abstract

To provide a method for repairing a structure and a method for manufacturing a structure that are simpler than conventional methods. [Solution] A method for repairing a structure 900 having a water collection space 940 and a water collection hole 950 communicating with the water collection space 940, comprising the steps of: cutting off only one of upper ends 931 on both sides of the water collection hole 950 of the structure 900 to form an opening P1; placing a water collection space forming body 100 in the water collection space 940 via the opening P1; placing a water collection hole forming body 300 communicating with the water collection section 140 of the water collection space forming body 100 on top of the water collection space forming body 100; and pouring a repair material Z into the space formed by the water collection hole forming body 300 and the water collection space forming body 100.

Description

[Technical field]

[0001] The present invention relates to a method for repairing a structure having a water collection space and a water collection hole communicating with the water collection space, and a method for manufacturing the structure. [Background technology]

[0002] There are various types of structures that collect rainwater and the like. As shown in Patent Document 1, a structure in the form of a general gutter has a water collection space and a water collection hole that communicates with the water collection space. The upper surface of the structure and the surrounding area of ​​the water collection hole are gradually damaged by the load of people and vehicles passing through and deterioration over time, so it is necessary to periodically repair the damaged areas. In the conventional technology, when the upper surface of a structure such as that shown in Patent Document 1 is damaged, the entire upper half of the structure is cut with a special cutting tool. Next, the cover plate that constitutes the upper half of the structure is fixed to the structure to perform repairs. However, the repair process is large-scale, such as cutting off the entire upper half of the structure and fixing the cover plate that constitutes the upper half of the structure. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2000-170239 A DISCLOSURE OF THEINVENTION [Problem to be solved by the invention]

[0004] In view of the above problems, the present invention provides a method for repairing a structure and a method for manufacturing a structure that are simpler than conventional methods. [Means for solving the problem]

[0005] The method for repairing a structure of the present invention is a method for repairing a structure having a water collection space and a water collection hole communicating with the water collection space, characterized in that only one of the upper ends on both sides of the water collection hole of the structure is removed to form an opening, a water collection space forming body is placed in the water collection space through the opening, a water collection hole forming body communicating with the water collection part of the water collection space forming body is placed on top of the water collection space forming body, and a repair material is poured into the space formed by the water collection hole forming body and the water collection space forming body.

[0006] According to the above features, the structure can be quickly repaired and manufactured using the simple method of forming an opening by cutting out only the upper end portion on one side, and then using that opening to position a water collection space forming body and a water collection hole forming body and pour in repair material.

[0007] The method for repairing a structure of the present invention is characterized in that a positioning member is removably attached to the water collection space forming body, and a tip of the positioning member is abutted against the bottom of the water collection space, thereby positioning the water collection space forming body so that it contacts the inner surface of the water collection space.

[0008] According to the above feature, the positioning member can easily position the water-collecting space forming body in a state where the water-collecting space forming body is raised above the bottom of the water-collecting space so that the water-collecting space forming body is in close contact with the inner surface of the water-collecting space.

[0009] The method for repairing a structure according to the present invention is characterized in that a fixing member is attached to the water-collecting space forming body, and a part of the fixing member is engaged with a part of a side wall of the structure.

[0010] According to the above feature, the water-collecting space forming body is fixed by the fixing member so as not to fall off downward.

[0011] The method for repairing a structure according to the present invention is characterized in that the water-collecting space forming body comprises a first forming body and a second forming body which are separate members on either side of the water-collecting portion.

[0012] According to the above features, even if the shape of the inner surface of the water collection space of the structure or the position of the water collection hole is changed, the water collection space forming body can be easily made to fit closely to the inner shape of the water collection space of the structure by changing the shapes of the first forming body and the second forming body of the water collection space forming body, respectively.

[0013] The manufacturing method of the structure of the present invention is a manufacturing method of a structure having a water collection space and a water collection hole communicating with the water collection space, comprising the steps of: removing only one of upper ends of both sides of the water collection hole of the structure to form an opening; arranging a water collection space forming body in the water collection space; The method is characterized in that a water collection hole forming body communicating with the water collection portion of the water collection space forming body is placed on top of the water collection space forming body, and a repair material is poured into the space formed by the water collection hole forming body and the water collection space forming body.

[0014] According to the above features, the structure can be quickly repaired and manufactured using the simple method of forming an opening by cutting out only the upper end portion on one side, and then using that opening to position a water collection space forming body and a water collection hole forming body and pour in repair material.

[0015] The manufacturing method for a structure of the present invention is characterized in that a positioning member is removably attached to the water collection space forming body, and the tip of the positioning member is abutted against the bottom of the water collection space, thereby positioning the water collection space forming body so that it contacts the inner surface of the water collection space.

[0016] The manufacturing method of the structure of the present invention is characterized in that a fixing member is attached to the water-collecting space forming body, and a part of the fixing member is engaged with a part of a side wall of the structure.

[0017] The manufacturing method for a structure of the present invention is characterized in that the water-collecting space forming body includes a first forming body and a second forming body which are separate members on either side of the water collecting portion.

[0018] According to the above features, even if the shape of the inner surface of the water collection space of the structure or the position of the water collection hole is changed, the water collection space forming body can be easily made to fit closely to the inner shape of the water collection space of the structure by changing the shapes of the first forming body and the second forming body of the water collection space forming body, respectively. Effect of the Invention

[0019] As described above, the method for repairing and manufacturing a structure of the present invention enables repair and manufacturing of a structure to be carried out more quickly and more easily than in the past. [Brief description of the drawings]

[0020] [Figure 1] FIG. 1 is a perspective view of an installation site where a structure 900 is installed. [Diagram 2] FIG. 2(a) is a perspective view of an installation site where a structure 900 is installed, and FIG. 2(b) is a side view of the installation site where the structure 900 is installed. [Diagram 3] FIG. 3(a) is a perspective view of an installation site where a structure 900 is installed, and FIG. 3(b) is a side view of the installation site where the structure 900 is installed. [Figure 4] FIG. 4(a) is an overall perspective view of the water-collecting space forming body 100, and FIG. 4(b) is a side view of the water-collecting space forming body 100. As shown in FIG. [Diagram 5] FIG. 5 is an overall perspective view of the positioning member 200. As shown in FIG. [Figure 6] FIG. 6( a ) is an overall perspective view of the structure 900 , and FIG. 6( b ) is a side view of the structure 900 . [Figure 7] FIG. 7(a) is an overall perspective view of the water collection hole forming body 300, and FIG. [Figure 8] FIG. 8( a ) is an overall perspective view of the structure 900 , and FIG. 8( b ) is a side view of the structure 900 . [Figure 9] FIG. 9( a ) is an overall perspective view of the structure 900 , and FIG. 9( b ) is a side view of the structure 900 . [Figure 10] FIG. 10( a ) is an overall perspective view of the structure 900 , and FIG. 10( b ) is a side view of the structure 900 . [Explanation of symbols]

[0021] 100 Water collection space formation body 140 Water catchment area 300 Water collecting pore forming body 900 Structures 931 Upper end 940 Water collection space 950 Water collection hole P1 open part Z Repair material DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0022] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. Note that the shapes of the figures referred to in the following description are conceptual or schematic diagrams for explaining preferred shapes and dimensions, and the dimensional ratios do not necessarily match the actual dimensional ratios. In other words, the present invention is not limited to the dimensional ratios in the drawings.

[0023] First, Fig. 1 shows a structure 900 that is the target of the repair method of the present invention. Fig. 1 is a perspective view of the installation site where the structure 900 is installed, Fig. 2(a) is a perspective view of the installation site where the structure 900 is installed, Fig. 2(b) is a side view of the installation site where the structure 900 is installed, Fig. 3(a) is a perspective view of the installation site where the structure 900 is installed, and Fig. 3(b) is a side view of the installation site where the structure 900 is installed.

[0024] As shown in FIG. 1, the structure 900 is a concrete gutter buried in the road shoulder of the road surface R, and has a substantially rectangular parallelepiped shape with a bottom wall 910, side walls 920 on both sides, and an upper wall 930, and has a water collection space 940 inside. The upper wall 930 is provided with a water collection hole 950 penetrating in the vertical direction, and the water collection hole 950 is connected to the water collection space 940, so that rainwater flowing from the road surface R can be drained into the water collection space 940. In addition, in the upper wall 930, upper end portions 931 located on both sides of the water collection hole 950 gradually receive damage X (cracks, peeling, etc. of concrete) due to the load when people or vehicles pass by and deterioration over time. In this embodiment, a curb Y is placed on one side of the upper end portion 931. Furthermore, the structure 900 is a concrete gutter, but is not limited thereto, and may be any structure made of any material as long as it has a water collection space 940 and a water collection hole 950. For example, the structure 900 may be any structure such as a water collection basin in addition to a gutter. Furthermore, the water collection space 940 has a circular cross section, but is not limited thereto, and may have any shape such as a rectangular cross section.

[0025] 2 and 3, when repairing the structure 900 in the present invention, first, only the upper end 931 on one side (the side where the curbstone Y is not placed) is cut off to form an opening P1. Specifically, as shown in FIG. 2, a hole P2 extending vertically in the up-down direction to a position where it contacts the inner surface 941 of the water collecting space 940 is drilled in the upper end 931 on one side with a drill or the like. Then, the bottom P3 of the hole P2 is connected to the inner surface 941 of the water collecting space 940. Then, the upper end 931 is cut with a cutting tool such as an electric cutter along a cutting surface P4 that passes through the hole P2 and extends vertically in the up-down direction, and separated from the side wall 920. Then, as shown in FIG. 3, an opening P1 is formed on one side of the upper wall 930 of the structure 900. In this embodiment, since the curbstone Y is arranged on the upper end portion 931 on one side, the upper end portion 931 on which the curbstone Y is not arranged is cut off, but this is not limited thereto, and when the curbstone Y is not installed, either one of the upper end portions 931 on both sides can be cut off. In addition, in this embodiment, the hole P2 is provided, but this is not limited thereto, and the upper end portion 931 may be cut along the cutting surface P4 with a cutting tool such as an electric cutter without providing the hole P2. And, in the present invention, since it is a simple method of providing the hole P2 extending toward the water collection space 940 in the upper end portion 931 on one side and cutting the upper end portion 931 along the cutting surface P4 in contact with the water collection space 940, a special cutting device as in the past is not required, and it can be implemented with a general electric drill, an electric cutter, or the like.

[0026] Next, Fig. 4 shows a water-collecting space forming body 100 used when repairing a structure 900 by the repair method of the present invention. Fig. 4(a) is an overall perspective view of the water-collecting space forming body 100, and Fig. 4(b) is a side view of the water-collecting space forming body 100.

[0027] As shown in Fig. 4, the water collecting space forming body 100 is a semicircular metal member, and a first forming body 110 and a second forming body 120, which are separate members, are connected by a connecting portion 130. Specifically, the arc-shaped first forming body 110 and the arc-shaped second forming body 120 are prepared separately, and in a state in which an end portion 111 of the first forming body 110 and an end portion 121 of the second forming body 120 are separated, a plate-shaped metal connecting portion 130 is welded and fixed to each of the end portion 111 of the first forming body 110 and the end portion 121 of the second forming body 120, thereby connecting and fixing the first forming body 110 and the second forming body 120. In addition, since the connecting portions 130 are arranged intermittently, water collecting portions 140 in the form of holes that penetrate vertically are formed between the connecting portions 130. The connecting portion 130 is provided with an insertion hole 131 through which a positioning member 200 (described later) is inserted, and a nut portion 132 that is arranged to overlap the insertion hole 131 and screws the positioning member 200. An attachment portion 101 in the form of a nut for attaching a fixing member (described later) is fixed to the outer surface of the second forming body 120. An attachment assistant portion 102 is provided on the outer surface of the second forming body 120 to facilitate attachment of a repair material (described later).

[0028] The water collection space forming body 100 is provided with a first forming body 110 and a second forming body 120, which are separate members, on both sides of the water collection section 140. Therefore, even if the shape of the inner surface 941 of the water collection space 940 of the structure 900 or the position of the water collection hole 950 is changed, the water collection space forming body 100 can be easily brought into close contact with the shape of the inner surface 941 of the water collection space 940 of the structure 900 by changing the shapes of the first forming body 110 and the second forming body 120 of the water collection space forming body 100, respectively. The water collection space forming body 100 is provided with two forming bodies, the first forming body 110 and the second forming body 120, but may be provided with three or more forming bodies. Furthermore, the water collecting space forming body 100 is composed of two forming bodies, the first forming body 110 and the second forming body 120, but is not limited to this, and the water collecting space forming body 100 may be composed of a single plate material, and a through hole may be formed in the plate material to serve as the water collecting section 140. However, if distortion or the like occurs in the plate material when the through hole is formed, by providing the water collecting section 140 between the two forming bodies, the first forming body 110 and the second forming body 120, no through hole is formed in the plate material, and thus distortion can be prevented.

[0029] Next, Fig. 5 shows a positioning member 200 used when repairing a structure 900 by the repair method of the present invention. Fig. 5 is an overall perspective view of the positioning member 200.

[0030] As shown in Fig. 5, the positioning member 200 is a rod-shaped member made of metal, and is configured to be insertable into a screw hole of a nut or the like. The positioning member 200 has a lower end 210 that is not provided with a thread so as not to screw into the screw hole, and an upper end 220 that is provided with a thread 221 so as to screw into the screw hole. A hexagonal head 222 is provided on the upper part of the upper end 220, and a fastening tool or the like can be connected to the head 222 to rotate and connect the positioning member 200 to an object such as a nut like a bolt. The length L1 of the lower end 210 is longer than the length L2 of the upper end 220 on which the thread 221 is provided. The length L1 of the lower end 210 is longer than the length L2 of the upper end 220, but is not limited thereto. The length L1 of the lower end 210 and the length L2 of the upper end 220 may be any length, such as shorter than the length L2 of the upper end 220 or equal to the length L2 of the upper end 220. The positioning member 200 is attached to the water-collecting space forming body 100 as an object to be positioned, as described later, but is not limited thereto. The positioning member 200 can be attached to any object to be positioned. The object to be positioned is provided with a screw hole into which the upper end 220 provided with a screw thread 221 can be screwed. The positioning member 200 is configured so that the tip 211 of the lower end 210 can abut against a position that serves as a reference for positioning in order to support the object to be positioned.

[0031] Next, Fig. 6 shows a state in which the water-collecting space forming body 100 is attached to a structure 900 by the repair method and manufacturing method of the present invention. Fig. 6(a) is an overall perspective view of the structure 900, and Fig. 6(b) is a side view of the structure 900.

[0032] As shown in FIG. 6, the water collection space forming body 100 is inserted into the water collection space 940 from above the water collection space 940 through the opening P1 formed in the structure 900. Then, the position of the water collection space forming body 100 is adjusted so that the outer surface 119 of the first forming body 110 of the water collection space forming body 100 abuts against the upper inner surface 941 (the upper end portion 931 side that is not cut off) of the water collection space 940. Specifically, the lower end portion 210 of the positioning member 200 is inserted into the nut portion 132 and the insertion hole 131 of the water collection space forming body 100. Then, the upper end portion 220 of the positioning member 200 is screwed into the nut portion 132, and the positioning member 200 is rotated until the tip 211 of the lower end portion 210 abuts against the bottom portion 949 of the water collection space 940. Then, the positioning member 200 can easily position the water-collecting space forming body 100 in a state where the water-collecting space forming body 100 is raised above the bottom 949 of the water-collecting space 940 so that the water-collecting space forming body 100 is in close contact with the inner surface 941 of the water-collecting space 940 .

[0033] Furthermore, when the positioning member 200 is rotated and the upper end 220 of the positioning member 200 is tightly fastened to the nut portion 132, the tip 211 of the lower end 210 of the positioning member 200 comes into stronger contact with the bottom 949 of the water collection space 940, pushing the entire water collection space forming body 100 upward. Then, the outer surface 119 of the first forming body 110 of the water collection space forming body 100 tightly adheres to the inner surface 941 of the water collection space 940, and the end 128 of the second forming body 120 of the water collection space forming body 100 tightly adheres to the inner surface 941 of the water collection space 940. Note that adhesive or the like may be applied to the outer surface 119 of the first forming body 110 and the end 128 of the second forming body 120 to improve adhesion.

[0034] The positioning member 200 is used to position the water-collecting space forming body 100, but there are cases where the desired position where the water-collecting space forming body 100 is positioned (in FIG. 6, the water-collecting space forming body 100 is positioned above the water-collecting space 940) is far away from the reference position for positioning (in FIG. 6, the water-collecting space forming body 100 is positioned at the bottom 949 below the water-collecting space 940). In this case, the overall length of the positioning member 200 becomes long, and it may take time to screw the positioning member 200 into the nut portion 132 and attach it. However, in the positioning member 200 of the present invention, since the screw thread 221 is not provided on the lower end portion 210 side of the positioning member 200, it is not necessary to screw the lower end portion 210 side of the positioning member 200 into the nut portion 132, and the lower end portion 210 side of the positioning member 200 can be quickly inserted into the nut portion 132. Then, the attachment of the positioning member 200 can be completed quickly by simply screwing the upper end 220 side of the positioning member 200 into the nut portion 132. In particular, since the length L1 of the lower end 210 is longer than the length L2 of the upper end 220, when the overall length of the positioning member 200 is long, the attachment work time of the positioning member 200 can be further shortened. Note that, although the positioning member 200 of the present invention is used to position the water-collecting space forming body 100 as an object, it is not limited to this, and can be attached to any object for the purpose of positioning (holding) the object in a floating or separated state from a reference point.

[0035] Next, Fig. 7 shows a water collection hole forming body 300 used when repairing a structure 900 by the repair method of the present invention. Fig. 7(a) is an overall perspective view of the water collection hole forming body 300, and Fig. 7(b) is a plan view of the water collection hole forming body 300.

[0036] As shown in FIG. 7, the water collection hole forming body 300 is made of metal and has a substantially rectangular parallelepiped shape, and is composed of two parallel side plates 310 and a connecting plate 320 that connects the side plates 310. Between the opposing side plates 310, a water collection hole 330 is formed that penetrates vertically, and as described later, the water collection hole 330 can be overlapped vertically and communicated with the water collection section 140 of the water collection space forming body 100. In addition, the side plate 310 is provided with a fixing device 340 that protrudes laterally. This fixing device 340 is composed of a nut portion 341 fixed to the side plate 310 and a bolt portion 342 that screws into the nut portion 341. By rotating the bolt portion 342, the bolt portion 342 can move laterally relative to the nut portion 341. Although the water collection hole forming body 300 is configured in a frame shape with side plates 310 and connecting plates 320, it is not limited to this and may have any configuration as long as it is capable of collecting rainwater, etc. and is capable of communicating with the water collection section 140 of the water collection space forming body 100.

[0037] Next, Fig. 8 and Fig. 9 show the state in which the water collection hole forming body 300 is attached to the water collection space forming body 100 by the repair method and manufacturing method of the present invention. Fig. 8(a) is an overall perspective view of the structure 900, Fig. 8(b) is a side view of the structure 900, Fig. 9(a) is an overall perspective view of the structure 900, and Fig. 9(b) is a side view of the structure 900.

[0038] As shown in FIG. 8, the water collection hole forming body 300 is placed on the water collection space forming body 100 via the open portion P1. At this time, the water collection hole forming body 300 is placed on the water collection space forming body 100 from above the positioning members 200 (positioning members 200 located at both ends in FIG. 8 and FIG. 9) already attached to the water collection space forming body 100 so that the water collection hole 330 of the water collection hole forming body 300 is inserted, so that the positioning members 200 do not get in the way. In this state, as shown in FIG. 8(a) and FIG. 9(a), another positioning member 200 (the central positioning member 200) is attached to the nut portion 132 and the insertion hole 131 of the water collection space forming body 100 via the water collection hole 330 of the water collection hole forming body 300. A fixing plate 290 that inserts the upper end portion 220 and a nut 280 adjacent to the fixing plate 290 are provided on the upper end portion 220 of the positioning member 200. Therefore, when the positioning member 200 is attached to the water collection space forming body 100, if the nut 280 is tightened with the fixing plate 290 in contact with the connecting plate 320 of the water collection hole forming body 300, the fixing plate 290 presses down on the water collection hole forming body 300 from above, and the water collection hole forming body 300 is fixed so as not to shift relative to the water collection space forming body 100. Since the water collection holes 330 of the water collection hole forming body 300 and the water collection section 140 of the water collection space forming body 100 overlap vertically, rainwater etc. collected from the water collection holes 330 can be drained into the water collection space 940 via the water collection section 140.

[0039] 9, the bolt portion 342 of the fixing device 340 of the water collection hole forming body 300 is rotated so that the head of the bolt portion 342 comes into contact with the exposed inner surface of the side wall 920. Then, the water collection hole forming body 300 is fixed by the fixing device 340 so as not to shift sideways. Note that the fixing device 340 is composed of a nut portion 341 and a bolt portion 342, but is not limited to this and may have any configuration as long as it can fix the water collection hole forming body 300 so as not to shift sideways.

[0040] Furthermore, the fixing member 500 is attached to the attachment portion 101 provided on the water-collecting space forming body 100. The fixing member 500 is in the form of a bolt, and can be attached by screwing it into the attachment portion 101 in the form of a nut. By rotating the fixing member 500, a part of the fixing member 500 (for example, the tip 510) moves toward the side wall 920 and engages with a part of the side wall 920 (for example, the bottom portion P3). Then, the water-collecting space forming body 100 is fixed by the fixing member 500 so as not to fall off downward. Note that the fixing member 500 is in the form of a bolt, but is not limited thereto, and any configuration may be used as long as the fixing member 500 can be fixed to the water-collecting space forming body 100 and a part of the fixing member 500 can be engaged with a part of the side wall 920. In addition, the bottom P3 of the hole P2 in the side wall 920 is used as a point where a portion of the fixing member 500 is engaged, but this is not limited to this, and a point (hole or recess) where a portion of the fixing member 500 can be engaged may be formed at any position on the inner surface of the side wall 920.

[0041] Next, Fig. 10 shows an embodiment of repair using concrete or the like according to the repair method of the present invention. Fig. 10(a) is an overall perspective view of a structure 900, and Fig. 10(b) is a side view of the structure 900.

[0042] As shown in Fig. 10, the open portion P1 is surrounded by the water collection space forming body 100, the water collection hole forming body 300, and the side wall 920. Then, a repair material Z such as concrete or mortar (preferably a material with high quick drying properties) is poured into the enclosed space. After the repair material Z has solidified, the positioning member 200 is removed, and the repair of the structure 900 is completed, and the repaired structure 900 is completed. In this way, according to the structure repair method and structure manufacturing method of the present invention, the open portion P1 is formed by cutting out only the upper end portion 931 on one side, and the open portion P1 is used to position the water collection space forming body 100 and the water collection hole forming body 300, and the repair material Z is poured in, which is a simple method that allows the repair and manufacturing of the structure 900 to be performed quickly.

[0043] In addition, on the side where the open portion P1 is not formed (the curb Y side), repair material Z is poured between the upper end portion 931 and the water collection hole forming body 300 to perform repair. In addition, when the side wall 920 is also cut out together with the upper end portion 931 when forming the open portion P1, a side plate or the like may be attached and used in place of the side wall 920, or the side surface of the road surface may be used to pour repair material Z into the space surrounded by the water collection space forming body 100, the water collection hole forming body 300, and the side plate (the side surface of the road surface). In addition, the structure repair method and structure manufacturing method of the present invention are not limited to the above examples, and various modifications and combinations are possible within the scope of the claims and the scope of the embodiments, and these modifications and combinations are also included in the scope of the rights.

Claims

1. A method for repairing a structure having a water collection space and a water collection hole communicating with the water collection space, comprising the steps of: Of the upper ends on both sides of the water collection hole of the structure, only the upper end on one side is removed to form an opening; A water-collecting space forming body is disposed in the water-collecting space via the opening, a positioning member that is detachably attached to the water-collecting space forming body; a tip of the positioning member is brought into contact with a bottom portion of the water collecting space, and the water collecting space forming body is positioned so that the water collecting space forming body comes into contact with an inner surface of the water collecting space; A water collection hole forming body communicating with a water collection portion of the water collection space forming body is disposed on the water collection space forming body, A method for repairing a structure, comprising pouring a repair material into a space formed by the water collection hole forming body and the water collection space forming body.

2. A fixing member is attached to the water-collecting space forming body, 2. The method for repairing a structure according to claim 1, further comprising the step of: engaging a portion of the fixing member with a portion of a side wall of the structure.

3. 2. The method for repairing a structure according to claim 1, wherein the water-collecting space forming body comprises a first forming body and a second forming body which are separate members on either side of the water-collecting portion.

4. A method for manufacturing a structure having a water collection space and a water collection hole communicating with the water collection space, comprising the steps of: Of the upper ends on both sides of the water collection hole of the structure, only the upper end on one side is removed to form an opening; A water-collecting space forming body is disposed in the water-collecting space; a positioning member that is detachably attached to the water-collecting space forming body; a tip of the positioning member is brought into contact with a bottom portion of the water collecting space, and the water collecting space forming body is positioned so that the water collecting space forming body comes into contact with an inner surface of the water collecting space; A water collection hole forming body communicating with a water collection portion of the water collection space forming body is disposed on the water collection space forming body, A method for manufacturing a structure, comprising pouring a repair material into a space formed by the water collection hole forming body and the water collection space forming body.

5. A fixing member is attached to the water-collecting space forming body, The method for manufacturing a structure according to claim 4, further comprising the step of: engaging a portion of the fixing member with a portion of a side wall of the structure.

6. The method for manufacturing a structure according to claim 4, wherein the water-collecting space forming body comprises a first forming body and a second forming body which are separate members on either side of the water-collecting portion.

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