Structural Construction System

Abstract

To provide a structure construction system that can easily measure axial force. [Solution] The structure construction system is used to construct or dismantle a structure below the roof covering the structure, and is equipped with a moving device that is attached to the structure's support columns and raises or lowers the roof column along the support columns.The moving device has a load sensor interposed between the underside of the first portal frame and the main body of the jack, and the load sensor measures the axial force of the support column when the roof column is moved.

Description

[Technical Field]

[0001] The present disclosure relates to a structure construction system for constructing or demolishing a structure. [Background technology]

[0002] Patent Document 1 discloses a demolition system for dismantling a structure. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent No. 6920118 Summary of the Invention [Problem to be solved by the invention]

[0004] In Patent Document 1, the axial force of the structure's support columns is calculated from the measurement values ​​of multiple strain gauges attached to the demolition system. When using strain gauges, the measurement values ​​of the multiple strain gauges must be corrected and converted into axial force measurement values, which poses a problem that axial force cannot be measured easily. However, an effective and appropriate means for solving this problem has not yet been provided.

[0005] An object of the present disclosure is to provide a structure construction system that can easily measure axial force. [Means for solving the problem]

[0006] The structure construction system disclosed herein is for constructing or dismantling a structure below a roof portion covering the structure, and is equipped with a moving device attached to the support pillars of the structure and for raising or lowering the roof portion along the support pillars. The moving device has a crisscross-shaped base that surrounds the support pillars and forms part of the roof portion, a first portal frame extending upward from the base, a reaction member attached to the upper end of the support pillars, a hanging material hanging downward from the reaction member, a main body arranged to face the underside of the first portal frame, a movable part that expands and contracts relative to the main body, and a jack attached to the main body and the movable part and having a grippable part that grasps or releases the hanging material, and a load sensor interposed between the underside of the first portal frame and the main body, and the roof portion is raised or lowered by grasping the hanging material with the grippable part and expanding and contracting the movable part, and the axial force of the support pillars when the roof portion is moving is measured by the load sensor.

[0007] According to the present disclosure, the reaction force from the hanging member, which is directly related to the axial force of the support, can be directly measured using a load sensor, thereby providing a structure construction system that can easily measure axial force.

[0008] In one aspect of the present disclosure, the base is provided with a second portal frame that is paired with the first portal frame across the support pillar, and a load sensor other than the load sensor is arranged on the underside of the second portal frame, the hanging member hangs down from the reaction member toward the second portal frame, a support plate is fixed to the hanging member, and the load sensor is arranged between the support plate and the second portal frame.

[0009] According to one aspect of the present disclosure, the axial force of a support can be measured with even higher accuracy.

[0010] In one aspect of the present disclosure, the reaction member is provided with a pulley, and the hanging material arranged on the first portal frame and second portal frame side is composed of an integrated wire wound around the pulley.

[0011] According to one aspect of the present disclosure, the roof portion can be raised or lowered using only one jack, thereby reducing the manufacturing costs of the structure construction system. [Effects of the Invention]

[0012] According to the present disclosure, a structure construction system that can easily measure axial force can be provided. [Brief explanation of the drawings]

[0013] [Figure 1] FIG. 1 is a schematic diagram showing a structure construction system according to an embodiment. [Figure 2] FIG. 2 is a schematic perspective view of the moving device according to the embodiment, seen from above. [Figure 3] FIG. 3 is a schematic perspective view of the moving device according to the embodiment, seen from below. [Figure 4] FIG. 4 is a schematic perspective view of a modified example of the movement device according to the embodiment, as viewed from above. [Figure 5] FIG. 5 is a schematic perspective view of a modified example of the movement device according to the embodiment, viewed from below. [Figure 6] FIG. 6 is a cross-sectional view that schematically shows the internal configuration of a jack in the moving device according to the embodiment. [Figure 7] FIG. 7 is a schematic front view showing an example of the arrangement of load sensors in the movement device according to the embodiment. [Figure 8] FIG. 8 is a schematic front view showing another example of the arrangement of the load sensors in the movement device according to the embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0014] Hereinafter, a structure construction system according to one embodiment of the present disclosure will be described with reference to the drawings. In the following drawings, identical components or parts, or components or parts having the same functions, are designated by the same reference numerals or the reference numerals are omitted.

[0015] FIG. 1 is a schematic diagram showing the structure of a structure construction system 1. The structure construction system 1 is a system for constructing or demolishing a structure 2 beneath a roof 3 covering the structure 2. The structure 2 is, for example, a high-rise structure such as a skyscraper, but is not limited thereto. The structure 2 is covered with curing panels 4. The construction or demolition of the structure 2 is carried out in a space 5 surrounded by the roof 3 and the curing panels 4. When constructing the structure 2, multiple support columns 2a of the structure 2 are constructed first, and then the floor 2b, beams (not shown), and other parts of the structure 2 are constructed in the space 5. When demolishing the structure 2, for example, the floor 2b, beams (not shown), and other parts of the structure 2 are demolished in the space 5, leaving only the multiple support columns 2a of the structure 2. Heavy machinery such as a crane can be freely positioned above the roof 3, and the support columns 2a of the structure are extended or demolished. The roof 3 is formed, for example, as a virtual roof made up of multiple roofing materials 3a. When the roof portion 3 is configured as a virtual roof, for example, a steel roof panel is used as the roof material 3a. When the structure 2 is dismantled in the structure construction system 1, the roof portion 3 may be formed using an existing roof that is part of the skeleton of the structure 2 as the roof material 3a.

[0016] The structure construction system 1 includes a plurality of moving devices 10 attached to the supports 2a. The moving devices 10 are attached to the upper ends of the supports 2a. The moving devices 10 raise or lower the roof section 3 along the supports 2a.

[0017] 2 and 3 are schematic diagrams showing an example of a moving device 10. The moving device 10 has a base 11 surrounding the support pillars 2a. The base 11 is formed in a grid pattern. The base 11 constitutes a part of the roof section 3. The base 11 is formed, for example, by integrally molding H-shaped steel. When the roof section 3 is configured as a virtual roof, the roof material 3a is supported by inserting the peripheral portion of the roof material 3a, for example, a steel roof panel, into a recess in the H-shaped steel of the base 11. Note that the moving device 10 may have multiple bases 11. For example, when demolishing the structure 2 in the structure construction system 1, the existing roof as the roof material 3a may be clamped between adjacent bases 11 by hydraulic jacks installed across the multiple bases 11.

[0018] The movement device 10 preferably has a mounting member 12 that can detachably mount the base body 11 to the support posts 2a. The mounting member 12 has a pair of rails 12a fixed to the upper part of the base body 11 at a position sandwiching the support post 2a, and a pair of fastening parts 12b that slide along the pair of rails 12a on the lower part of the base body 11 and hold the support post 2a in between. At both ends of each fastening part 12b, a long connecting member 12c is provided that extends between the fastening part 12b and each rail 12a and is slidably fitted into a groove in the rail 12a. The mounting member 12 is formed, for example, from a steel material, but is not limited thereto.

[0019] The base body 11 has a first portal frame 13a. The first portal frame 13a is provided to extend upward from the base body 11. The first portal frame 13a is formed in an inverted U shape on the upper part of the base body 11, between the pair of rails 12a. The first portal frame 13a has a beam 13a1 extending laterally and a pair of legs 13a2 extending between each end of the beam 13a1 and the base body 11.

[0020] The base 11 preferably has a pair of portal frames including a first portal frame 13a and a second portal frame 13b. The second portal frame 13b is provided on the base 11 so as to be paired with the first portal frame 13a with the support pillar 2a in between. The second portal frame 13b has a beam 13b1 extending laterally and a pair of legs 13b2 extending between each end of the beam 13b1 and the base 11.

[0021] The first portal frame 13a and the second portal frame 13b are preferably fixed to the base 11 by fastening members such as bolts or nuts. The first portal frame 13a and the second portal frame 13b are formed, for example, from a steel material, although this is not a limitation.

[0022] The movement device 10 has a reaction member 14 attached to the upper end of the support column 2a. The reaction member 14 has a cap 14a that covers the upper end of the support column 2a and a reaction beam 14b fixed to the top of the cap 14a. As will be described later, the reaction member 14 is preferably provided with a pulley 14b2. The reaction member 14 is formed, for example, from a steel material, although it is not limited thereto.

[0023] The cap 14a is formed, for example, as a rectangular parallelepiped box with an opening on one side, and is placed on the upper end of the support pillar 2a with the opening facing downward. Although not shown, air jacks or the like are provided in two or four gaps between one pair of faces of the cap 14a and the support pillar 2a to fix the cap 14a to the support pillar 2a by inflating balloons or the like. Note that the reaction member 14 may have brackets, instead of the cap 14a, that extend downward from the lower part of both sides of the reaction beam 14b and tightly clamp the support pillar 2a.

[0024] The reaction beam 14b has a pair of plate-like members 14b1. The pair of plate-like members 14b1 are formed as substantially rectangular plate materials. A pair of pulleys 14b2 are rotatably provided between the pair of plate-like members 14b1. Each pulley 14b2 is provided on both sides of the plate-like member 14b1.

[0025] The movement device 10 has a suspension member 15 hanging downward from the reaction member 14. The suspension member 15 is formed, for example, from a steel material, but is not limited thereto. The suspension member 15 is preferably arranged on the first portal frame 13a side and the second portal frame 13b side, and is composed of an integrated wire wound around a pulley 14b2. The wire is formed, for example, as a strand wire, but is not limited thereto.

[0026] 4 and 5 are schematic diagrams showing another example of the movement device 10. As shown in FIGS. 4 and 5, the movement device 10 may have a pair of fixing members 14b3 between the pair of plate-like members 14b1, instead of the pair of pulleys 14b2, to which separate hanging members 15a, 15b are fixed and hung, respectively. The hanging member 15a is hung toward the first portal frame 13a, and the hanging member 15b is hung toward the second portal frame 13b. The hanging members 15a, 15b may be formed from an integrated wire.

[0027] The moving device 10 has a jack 16. The jack 16 is arranged on either or both of the first portal frame 13a and the second portal frame 13b. When the reaction member 14 is provided with a pulley 14b2, the jack 16 is arranged on either the first portal frame 13a or the second portal frame 13b. Figures 2 and 3 show an example in which the jack 16 is arranged on the first portal frame 13a. As shown in Figures 4 and 5, when the reaction member 14 is provided with a fixing member 14b3, the jack 16 is arranged on both the first portal frame 13a and the second portal frame 13b. The jack 16 is formed to pass through the hanging members 15, 15a, and 15b.

[0028] FIG. 6 shows a vertical cross-sectional view of the internal configuration of the jack 16. The jack 16 has a main body 16a disposed opposite the underside of the first portal frame 13a, i.e., the underside of the beam portion 13a1. The jack 16 also has a support body 16b attached to the main body 16a and fixing the main body 16a in place. The support body 16b may be, but is not limited to, a plate-like member having a rectangular flat surface, and may be made of steel. The jack 16 also has a movable part 16c that expands and contracts relative to the main body 16a.

[0029] The main body 16a forms the outer shell of the jack 16 and is formed, for example, in a substantially cylindrical shape. A rail portion 16a1 is provided inside the main body 16a and is spaced apart from the inner wall of the main body 16a. The rail portion 16a1 is formed, for example, in a substantially cylindrical shape. The movable portion 16c extends and retracts relative to the main body 16a by sliding between the inner wall of the main body 16a and the outer wall of the rail portion 16a1. A connecting portion 16a2 is provided inside the main body 16a and connects the main body 16a to the upper end of the rail portion 16a1. The connecting portion 16a2 is formed, for example, in a substantially hollow disk shape and restricts the upward sliding movement of the movable portion 16c. The main body 16a also has a locking portion 16a3 connected to the lower end of the main body 16a. The locking portion 16a3 is formed, for example, in a substantially hollow disk shape and restricts the downward sliding movement of the movable portion 16c. The movable portion 16c is provided with a flange portion 16c1 that is continuous with the upper end of the movable portion 16c. The flange portion 16c1 is formed, for example, in a substantially hollow disk shape. When the movable portion 16c slides, the flange portion 16c1 comes into contact with the connecting portion 16a2 or the locking portion 16a3, thereby restricting the sliding range of the movable portion 16c.

[0030] The jack 16 also has grippable portions 16d1 and 16d2 that are provided on the main body 16a and the movable portion 16c and that grip or release the hanging material 15. The grippable portion 16d1 is provided, for example, on the main body 16a. The grippable portion 16d1 can be arranged at any position on the main body 16a, for example, above the connecting portion 16a2 inside the main body 16a. The grippable portion 16d2 is provided, for example, on the movable portion 16c. The grippable portion 16d2 can be arranged at any position on the movable portion 16c, for example, at the lower end of the movable portion 16c.

[0031] Jack 16 is configured to grasp hanging members 15, 15a, and 15b with graspable portions 16d1 and 16d2 and extend and retract movable portion 16c to raise or lower roof portion 3. For example, by opening graspable portion 16d1 and having graspable portion 16d2 grasp hanging members 15, 15a, and 15b and sliding movable portion 16c, hanging members 15, 15a, and 15b can be moved up and down to raise or lower roof portion 3. Furthermore, by opening graspable portion 16d2 and having graspable portion 16d1 grasp hanging members 15, 15a, and 15b and sliding movable portion 16c, the gripping position of hanging members 15, 15a, and 15b by graspable portion 16d2 can be adjusted.

[0032] The moving device 10 has a load sensor 20. FIG. 7 shows an example of the arrangement of the load sensor 20. The load sensor 20 is interposed between the underside of the first portal frame 13a and the main body 16a. The load sensor 20 measures the axial force of the support pillar 2a when the roof section 3 is moved. For example, a load cell with a built-in electrical resistance strain gauge is used as the load sensor 20. The load sensor 20 has a cylindrical outer shell and, although not shown, is preferably provided with a hole penetrating a pair of circular surfaces.

[0033] The movement device 10 has a support plate 21a on which the load sensor 20 is placed and sandwiched between the first gate-shaped frame 13a and the support plate 21a. The support plate 21a is a plate-like member having a rectangular flat surface. The support plate 21a is made of, for example, but not limited to, steel.

[0034] The jack 16 is attached to the lower part of the support plate 21a. The jack 16 is preferably fixed by attaching a support body 16b to the lower part of the support plate 21a.

[0035] The support body 16b and the support plate 21a are attached to the underside of the first portal frame 13a, i.e., the underside of the beam portion 13a1, using multiple rods 22a with threads on their outer surfaces and screw members 22b that are screwed onto each rod 22a from the bottom of the support body 16b.

[0036] The hanger 15 arranged on the first portal frame 13a side passes through the beam 13a1 of the first portal frame 13a, the hole of the load sensor 20, the support plate 21a, the support body 16b, and the main body 16a, and extends below the jack 16. The hanger 15 may extend below the base 11, for example, to near the ground.

[0037] The multiple rods 22a are four rods 22a, each of which penetrates the corners of the support body 16b and the support plate 21a and extends toward and is fixed to the underside of the first portal frame 13a. Nuts are used as the screw members 22b. When measuring the axial force of the support column 2a, one screw member 22b is screwed onto each rod 22a, and the axial force of the support column 2a is measured by slight movements of the support plate 21a. When moving the movement device 10, two screw members 22b are attached to each rod 22a using a double nut method, preventing the load sensor 20 from shifting position.

[0038] In addition, when the reaction member 14 is provided with a pair of fixing members 14b3, the arrangement of the jack 16 and the load sensor 20 on the second portal frame 13b side is the same as described above.

[0039] FIG. 8 shows another example of the arrangement of the load sensor 20. In the case where a pair of pulleys 14b2 is provided on the reaction member 14, another load sensor 20 is arranged on the underside of the second portal frame 13b on the side of the second portal frame 13b. The other load sensor 20 is placed on the support plate 21b. The other load sensor 20 is arranged between the support plate 21b and the second portal frame 13b. A hanger 15b hanging down from the reaction member 14 toward the second portal frame 13b penetrates the beam 13b1 of the second portal frame 13b, the hole in the load sensor 20, and the support plate 21b. The support plate 21b is preferably fixed to the tip of the hanger 15b by a locking member 21b1 provided at the bottom of the support plate 21b.

[0040] When the reaction member 14 is provided with a pair of pulleys 14b2 and the second portal frame 13b is provided with a jack 16, it is also possible to provide the support plate 21b and the locking member 21b1 on the first portal frame 13a side.

[0041] As described above, the structure construction system 1 of the embodiment is for constructing or dismantling a structure 2 below the roof portion 3 covering the structure 2. The structure construction system 1 is equipped with a moving device 10 that is attached to the support columns 2a of the structure 2 and raises or lowers the roof portion 3 along the support columns 2a. The moving device 10 has a grid-shaped base body 11 that surrounds the support columns 2a and forms part of the roof portion 3. The moving device 10 also has a first portal frame 13a that is attached to the base body 11 and extends upward. The moving device 10 also has a reaction member 14 that is attached to the upper end of the support columns 2a. The moving device 10 also has a hanging member 15 that hangs downward from the reaction member 14. The moving device 10 also includes a main body 16a arranged to face the underside of the first portal frame 13a, a movable part 16c that extends and retracts relative to the main body 16a, and a jack 16 provided on the main body 16a and the movable part 16c, with grippable parts 16d1 and 16d2 that grip or release the hanging material 15. The moving device 10 also includes a load sensor 20 interposed between the underside of the first portal frame 13a and the main body 16a. The structure construction system 1 raises or lowers the roof section 3 by gripping the hanging material 15 with the grippable parts 16d1 and 16d2 and extending and retracting the movable part 16c. The structure construction system 1 is also configured to measure the axial force of the support 2a by the load sensor 20 when the roof section 3 is moving.

[0042] According to the above-described configuration, the reaction force from the hanging member 15, which is directly related to the axial force of the support 2a, can be directly measured by the load sensor 20, so that a structure construction system 1 can be provided that can easily measure axial force.

[0043] When using conventional strain gauges for measurements, it is necessary to correct the measurement values ​​of multiple strain gauges and convert them into axial force measurements, making it difficult to measure axial force easily. In addition, data is prone to variation depending on the installation position of the strain gauges.

[0044] However, with the above-mentioned configuration, the reaction force from the hanging member 15, which is directly related to the axial force of the support 2a, can be directly measured by the load sensor 20, so correction of the measurement value is not necessary, measurement can be performed in real time, and data fluctuations are unlikely to occur. Therefore, a structure construction system 1 can be provided that can measure axial force easily and in real time.

[0045] Furthermore, in the structure construction system 1 of the embodiment, preferably, a second portal frame 13b is provided on the base 11, paired with the first portal frame 13a, with the support pillar 2a sandwiched between them. Also, on the second portal frame 13b side, a load sensor 20 separate from the load sensor 20 is arranged on the underside of the second portal frame 13b. Also, a hanger 15 hangs down from the reaction member 14 toward the second portal frame 13b, and support plates 21a and 21b are fixed to the hanger 15, and a load sensor 20 is arranged between the support plates 21a and 21b and the first portal frame 13a and the second portal frame 13b.

[0046] According to the above-described configuration, the reaction force from the hanging member 15, which is directly related to the axial force of the support 2a, can be measured by the two load sensors 20, so that the axial force of the support 2a can be measured with even higher accuracy.

[0047] In the structure construction system 1 of the embodiment, a pulley 14b2 is provided on the reaction member 14. The suspension material 15 arranged on the first portal frame 13a and second portal frame 13b side is composed of an integrated wire wound around the pulley 14b2.

[0048] According to the above-described configuration, the roof portion 3 can be raised or lowered using only one jack 16, so that the manufacturing costs of the structure construction system 1 can be reduced.

[0049] In addition, in the embodiment of the structure construction system 1, the support body 16b and support plate 21a of the jack 16 are attached to the underside of the first portal frame 13a using a plurality of rods 22a having threads on their outer surfaces and screw members 22b that are screwed onto each rod 22a from the lower part of the support body 16b.

[0050] As in the conventional method, a plurality of strain gauges must be attached to the legs 13a2 of the first portal frame 13a on-site, which causes a time lag before the start of measurement.

[0051] However, with the above-mentioned configuration, the load sensor 20 can be sandwiched between the support plate 21a and the underside of the first portal frame 13a when transported, making it possible to perform calibration such as setting the load zero point before shipping from the factory. This reduces the time required from on-site installation until the axial amount of the support 2a can be measured.

[0052] When the moving device 10 is moved, the two screw members 22b are attached to the respective rods 22a by a double nut method, so that the load sensor 20 can be prevented from shifting in position.

[0053] In addition, the roof portion 3 that is raised or lowered by the structure construction system 1 of the present disclosure can be appropriately provided with an opening to allow the boom of a lifting machine such as a tower crane to protrude from the roof portion 3 from the ground.

[0054] Furthermore, the moving devices 10 of the structure construction system 1 of the present disclosure do not need to be provided on all of the supports 2a of the structure 2, and may be provided on only some of them.

[0055] Furthermore, in the above description, the reaction member 14 is attached directly to the upper end of the support 2a, but it is also possible to add a temporary support to the upper end of the support 2a and then attach the reaction member 14 thereto. [Explanation of symbols]

[0056] 1 structure construction system, 2 structure, 2a support, 2b floor, 3 roof portion, 3a roof material, 4 curing panel, 5 space, 10 moving device, 11 base, 12 mounting member, 12a rail, 12b fastening portion, 12c connecting member, 13a first portal frame, 13a1 beam portion, 13a2 leg portion, 13b second portal frame, 13b1 beam portion, 13b2 leg portion, 14 reaction member, 14a cap, 14b reaction beam, 14b1 plate-shaped member, 14b2 pulley, 14b3 fixing member, 15, 15a, 15b hanging member, 16 jack, 16a main body, 16a1 rail portion, 16a2 connecting portion, 16a3 locking portion, 16b bearing body, 16c Movable part, 16c1 flange part, 16d1, 16d2 grippable part, 20 load sensor, 21a, 21b support plates, 21b1 locking member, 22a rod material, 22b screw member.

Claims

1. A structure construction system for constructing or dismantling a structure below a roof portion covering the structure, a moving device attached to a support column of the structure and configured to raise or lower the roof section along the support column; The moving device is a grid-shaped base body surrounding the support pillars and constituting a part of the roof portion; a first portal frame having a pair of legs provided on the base body so as to extend upward at a distance from each other in the extending direction of the base body, and a beam portion bridged between upper ends of the pair of legs; a reaction member provided at the upper end of the support; A hanging member suspended downward from the reaction member; a jack having a main body arranged to face the underside of the beam portion of the first portal frame, a movable portion that expands and contracts relative to the main body, and a grippable portion that is provided on the main body and the movable portion and grips or releases the hanging material; a load sensor interposed between the lower surface of the beam portion of the first portal frame and the main body; and The grippable portion grips the hanging material and extends and contracts the movable portion to raise or lower the roof portion, The axial force of the support pillar when the roof part is moved is measured by the load sensor. Structural construction system.

2. a second portal frame is provided on the base, paired with the first portal frame across the support pillar, the second portal frame having a pair of legs provided on the base so as to extend upward at an interval in the extending direction of the base, and a beam portion provided between upper ends of the pair of legs; a load sensor separate from the load sensor is disposed on the second portal frame side on a lower surface side of the beam portion of the second portal frame, The hanger hangs down from the reaction member toward the second gate-shaped frame, a support plate is fixed to the hanger, and the load sensor is disposed between the support plate and the second gate-shaped frame. The structure construction system according to claim 1 .

3. The reaction member is provided with a pulley, The hanging members arranged on the first portal frame and the second portal frame sides are configured by an integral wire wound around the pulley. The structure construction system according to claim 2 .

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