Detachable back ridge for superimposed shear wall

Abstract

The utility model discloses a detachable back arris for superposing a shear wall, and relates to the field of back arris, the detachable back arris comprises a precast concrete slab I and a mounting component, the end part of the precast concrete slab I is provided with a rubber pad, and the mounting component for reinforcing and supporting is arranged at the front end of the rubber pad. And the mounting assembly comprises a horizontal back ridge, a fastening screw, a vertical back ridge and a threaded hole. According to the detachable back arris for the laminated shear wall, by arranging the mounting assembly, reliable supporting can be provided for the first prefabricated concrete plate, the bearing capacity of the prefabricated concrete plate is improved, damage to the prefabricated concrete plate is reduced, and the percent of pass of the prefabricated shear wall is increased; the connecting stability between the two sets of prefabricated concrete slabs can be improved through the tie bars and the horizontally-distributed bars, so that the safety of the laminated shear wall can be guaranteed with high quality, targeted design can be conducted according to the stress characteristics of different laminated shear walls through the arrangement of the containing grooves, different back ridge distances are adopted, and the applicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the field of back ribs, in particular to a detachable back rib for a laminated shear wall. Background Technique

[0002] The back rib is usually a welded assembly, which mainly consists of two parallel long rectangular steel pipes 11 with a certain spacing, and is connected together by a plurality of short rectangular steel pipes 12 in a welding manner. The spacing of each short rectangular steel pipe 12 is relatively large and regular. During the use of the laminated shear wall, a back rib system is required to complete the support, and this component has been widely used in concrete structure projects.

[0003] In the existing precast concrete wall panel part of the laminated shear wall, it is easy to be damaged and cracked during transportation and installation. The traditional back rib is often fixed by welding, which has the problem of inconvenient disassembly and assembly in the later stage, resulting in an increase in the thickness of the precast concrete wall panel during transportation, thereby reducing the transportation efficiency of the device.

[0004] Therefore, in view of this, research and improvement are carried out on the existing structure and deficiencies, and a detachable back rib for a laminated shear wall is provided. Content of the Utility Model

[0005] The purpose of the utility model is to provide a detachable back rib for a laminated shear wall to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A detachable back rib for a laminated shear wall, including a first precast concrete slab and an installation component. A rubber pad is arranged at the end of the first precast concrete slab. The installation component for strengthening the support is arranged at the front end of the rubber pad, and the installation component includes a horizontal back rib, a fastening screw, a vertical back rib and a threaded hole. A fastening screw is arranged in the middle of the horizontal back rib, and a vertical back rib is installed at the end of the horizontal back rib. A threaded hole is opened on the inner wall of the vertical back rib.

[0007] Further, a placement groove is opened at the front end of the horizontal back rib, and the placement grooves are equidistantly distributed with respect to the horizontal back rib.

[0008] Further, a tension bar is arranged at the rear end of the first precast concrete slab, and a horizontally distributed bar is installed inside the tension bar.

[0009] Further, a second precast concrete slab is arranged at the rear end of the tension bar, and the first precast concrete slab and the second precast concrete slab have the same shape.

[0010] Further, the vertical back rib is in a "C" - shaped structure, and a disassembly component for facilitating disassembly is arranged at the end of the vertical back rib.

[0011] Furthermore, the disassembly assembly includes a bolt and a gasket, and the gasket is installed in the middle of the bolt.

[0012] Furthermore, the bolts and threaded holes are matched, and the gaskets are made of flexible material.

[0013] Furthermore, the rubber pad and the precast concrete slab are tightly fitted, and the horizontal back ribs and the vertical back ribs are vertically distributed.

[0014] The utility model provides a detachable back rib for a composite shear wall, which has the following beneficial effects:

[0015] 1. The utility model can provide reliable support for precast concrete panels by providing installation components, thereby improving the bearing capacity of precast concrete panels, reducing damage to precast concrete panels, and improving the qualified rate of precast shear walls. The use of tie bars and horizontal distribution bars can increase the stability of the connection between two groups of precast concrete panels, thereby ensuring the safety of the composite shear wall with higher quality. By providing placement grooves, targeted designs can be made according to the stress characteristics of different composite shear walls, and different back rib spacings can be used to improve the applicability of the device.

[0016] 2. The utility model can effectively reduce the thickness of the precast concrete slabs on both sides by providing a disassembly component, and the horizontal back ribs and vertical back ribs can be installed and disassembled by bolts, and the back rib system can be dismantled to achieve recycling, so that resources can be better reused, greatly reducing the waste of resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural schematic diagram of a detachable back rib used for a composite shear wall according to the utility model;

[0018] Figure 2 This is a schematic diagram of a disassembly component structure of a detachable back rib used for a composite shear wall according to the utility model;

[0019] Figure 3 The utility model is a detachable back rib for composite shear wall Figure 1 A is a schematic diagram of the enlarged structure.

[0020] In the figure: 1. Precast concrete panel 1; 2. Rubber pad; 3. Installation assembly; 301. Horizontal back rib; 302. Fastening screw; 303. Vertical back rib; 304. Threaded hole; 4. Placement groove; 5. Tie bar; 6. Horizontal distribution bar; 7. Precast concrete panel 2; 8. Disassembly assembly; 801. Bolt; 802. Gasket. DETAILED DESCRIPTION

[0021] The following further describes in detail the embodiments of the present utility model in conjunction with the accompanying drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0022] As Figure 1 and Figure 3 shown, a detachable back rib for a laminated shear wall includes a first precast concrete slab 1 and an installation component 3. A rubber pad 2 is provided at the end of the first precast concrete slab 1. The installation component 3 for strengthening the support is arranged at the front end of the rubber pad 2. The installation component 3 includes a horizontal back rib 301, a fastening screw 302, a vertical back rib 303, and a threaded hole 304. A fastening screw 302 is provided in the middle of the horizontal back rib 301, and a vertical back rib 303 is installed at the end of the horizontal back rib 301. A threaded hole 304 is provided in the inner wall of the vertical back rib 303. By providing the installation component 3, reliable support can be provided for the first precast concrete slab 1, the bearing capacity of the precast concrete slab can be improved, the damage of the precast concrete slab can be reduced, and the qualification rate of the precast shear wall can be improved. A placement groove 4 is provided at the front end of the horizontal back rib 301, and the placement grooves 4 are equidistantly distributed with respect to the horizontal back rib 301. By providing the placement grooves 4, targeted design can be carried out according to the force characteristics of different laminated shear walls, different back rib spacings can be adopted, and the applicability of the device can be improved. A tension bar 5 is provided at the rear end of the first precast concrete slab 1, and a horizontal distribution bar 6 is installed inside the tension bar 5. The tension bar 5 and the horizontal distribution bar 6 can be used to increase the connection stability between two groups of precast concrete slabs, so as to ensure the safety of the laminated shear wall with high quality. A second precast concrete slab 7 is provided at the rear end of the tension bar 5, and the first precast concrete slab 1 and the second precast concrete slab 7 have the same shape. The rubber pad 2 and the first precast concrete slab 1 are closely attached, and the horizontal back rib 301 and the vertical back rib 303 are vertically distributed.

[0023] As Figure 2 shown, the vertical back rib 303 has a "C" - shaped structure, and a detachable component 8 for easy disassembly is provided at the end of the vertical back rib 303. The detachable component 8 includes a bolt 801 and a gasket 802. A gasket 802 is installed in the middle of the bolt 801. The bolt 801 is adapted to the threaded hole 304, and the gasket 802 is made of a flexible material. By providing the detachable component 8, the thickness of the two - side precast concrete slabs can be effectively reduced. The horizontal back rib 301 and the vertical back rib 303 can be installed and disassembled through the bolt 801, and then the back rib system can be removed to achieve recycling, so that resources can be better reused, and the waste of resources is greatly reduced.

[0024] In summary, for the detachable back rib of the laminated shear wall, first, according to Figure 1-Figure 3In the structure shown in the figure, the precast concrete panel 1 and the precast concrete panel 2 7 are connected by the installation of the tie bars 5 and the horizontal distribution bars 6 so that the device is formed as a whole and bears force in coordination, so that the safety of the device during production, transportation and construction can be guaranteed, and the precast concrete wall panel part of the composite shear wall is prevented from being easily damaged and cracked during transportation and installation. The rubber pad 2 is installed on the precast concrete panel 1. The rubber pad 2 can improve the fit between the horizontal back rib 301 and the precast concrete panel 1, so as to better play a supporting role. The horizontal back rib 301 is installed on the precast concrete panel 1 by using the fastening screws 302. According to the composite shear wall When the prefabricated wall is required, the vertical back rib 303 is inserted into the placement groove 4 at the upper end of the horizontal back rib 301, the gasket 802 is put on the bolt 801, and it is screwed into the threaded hole 304 to fix the two groups of back ribs. After the prefabricated wall is installed, the bolt 801 is removed to complete the removal of the back rib system, so as to achieve recycling, so that resources can be better reused, which greatly reduces the waste of resources. When the back rib system is removed, the weight of the prefabricated part of the composite shear wall can be reduced, which is convenient for lifting and transportation, thereby improving the bearing capacity of the prefabricated concrete slab, reducing the damage of the prefabricated concrete slab, and improving the qualified rate of the prefabricated shear wall.

[0025] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A detachable back rib for a composite shear wall, comprising a precast concrete panel (1) and an installation assembly (3), characterized in that: A rubber pad (2) is provided at the end of the precast concrete slab one (1), and the installation component (3) for strengthening the support is arranged at the front end of the rubber pad (2). The installation component (3) includes a horizontal backstrap (301), a fastening screw (302), a vertical backstrap (303) and a threaded hole (304). A fastening screw (302) is arranged in the middle of the horizontal backstrap (301), and a vertical backstrap (303) is installed at the end of the horizontal backstrap (301). A threaded hole (304) is formed in the inner wall of the vertical backstrap (303).

2. The detachable back rib for composite shear wall according to claim 1, characterized in that: A placement groove (4) is formed at the front end of the horizontal backstrap (301), and the placement grooves (4) are equidistantly distributed with respect to the horizontal backstrap (301).

3. The detachable back rib for composite shear wall according to claim 1, characterized in that: A tie bar (5) is arranged at the rear end of the precast concrete slab one (1), and a horizontally distributed bar (6) is installed inside the tie bar (5).

4. The detachable back rib for composite shear wall according to claim 3, characterized in that: A precast concrete slab two (7) is arranged at the rear end of the tie bar (5), and the precast concrete slab one (1) and the precast concrete slab two (7) have the same shape.

5. The detachable back rib for composite shear wall according to claim 1, characterized in that: The vertical backstrap (303) is in a "C" - shaped structure, and a disassembly component (8) for easy disassembly is arranged at the end of the vertical backstrap (303).

6. The detachable back rib for composite shear wall according to claim 5, characterized in that: The disassembly component (8) includes a bolt (801) and a gasket (802), and a gasket (802) is installed in the middle of the bolt (801).

7. The detachable back rib for composite shear wall according to claim 6, characterized in that: The bolt (801) is adapted to the threaded hole (304), and the gasket (802) is made of a flexible material.

8. The detachable back rib for composite shear wall according to claim 1, characterized in that: The rubber pad (2) is closely attached to the precast concrete slab one (1), and the horizontal backstrap (301) and the vertical backstrap (303) are vertically distributed.

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