Prefabricated wallboard structure integrally formed by shear wall and light filler wall

Abstract

The utility model relates to the technical field of building decoration, and discloses a shear wall and light filler wall integrated prefabricated wallboard structure which comprises a shear wall net rack, a pouring cavity for pouring concrete is formed by the shear wall net rack, a downward opening is reserved in the middle of the shear wall net rack, and a light filler wall is embedded in the opening. The light infilled wall comprises a steel wire net frame heat preservation plate, stressed steel bars are bound to the front side and the rear side of the steel wire net frame heat preservation plate respectively and connected with a shear wall net frame in a binding mode, and concrete surface layers are arranged on the front side and the rear side of the shear wall net frame and the front side and the rear side of the steel wire net frame heat preservation plate respectively. According to the prefabricated wall, the joint of the shear wall and the light filler wall can be prevented from cracking, the problems of complex procedures, long construction period and low industrialization and standardization degree caused by secondary masonry of the light filler wall are solved, the total weight of the prefabricated wall is reduced, hoisting and mounting of the prefabricated wall are facilitated, and the anti-seismic property is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building installation, in particular to a prefabricated wall panel structure in which a shear wall and a light filling wall are integrally formed. Background Art

[0002] Shear wall is also called wind-resistant wall, earthquake-resistant wall or structural wall. Infill wall is a wall that plays a role of enclosure and separation, and the wall body does not participate in the vertical load transfer of the structure. There are two main types of infill wall structures at the shear wall openings of existing prefabricated wall panels: the first structure is to build a second infill wall at the opening after the construction and installation of the prefabricated reinforced concrete shear wall is completed. The connection between the constructed infill wall and the shear cavity is very easy to crack, and the construction process of this structure is complicated, the construction period is long, the degree of industrialization and standardization is low, the material waste is serious, and the quality is difficult to guarantee; the second structure is to use concrete to fill the shear wall opening of the prefabricated wall panel completely. The infill wall of this structure has a heavy self-weight, high transportation cost, complex installation requirements, high rigidity of the prefabricated wall panel, poor earthquake resistance, and is not conducive to the stress deformation of the prefabricated wall panel. Utility Model Content

[0003] The utility model provides a prefabricated wall panel structure in which a shear wall and a lightweight filling wall are integrally formed. The prefabricated wall panel is integrally cast and formed by connecting a shear wall grid and a lightweight filling wall through stress-bearing steel bars, thereby preventing cracks from occurring at the junction of the shear wall and the lightweight filling wall, solving the problems of complex procedures, long construction period, low industrialization and standardization levels caused by the secondary masonry lightweight filling wall construction, reducing the overall weight of the prefabricated wall, facilitating the hoisting and installation of the prefabricated wall, and improving the earthquake resistance.

[0004] The above-mentioned purpose of the utility model is achieved through the following technical solutions:

[0005] A prefabricated wall panel structure in which a shear wall and a lightweight filling wall are integrally formed, comprising a shear wall grid of the shear wall, wherein the shear wall grid forms a pouring cavity for pouring concrete, a downwardly opening hole is reserved in the middle of the shear wall grid, the hole is filled with a steel wire grid insulation board of the lightweight filling wall, front and rear sides of the steel wire grid insulation board are respectively tied with stress-bearing steel bars, the stress-bearing steel bars are tied and connected to the shear wall grid, and the front and rear sides of the shear wall grid and the front and rear sides of the steel wire grid insulation board are respectively provided with concrete surface layers.

[0006] The above-mentioned prefabricated wall panel structure in which the shear wall and the lightweight filling wall are integrally formed, wherein the wire mesh insulation board includes a wire mesh and an insulation board, the wire mesh includes two parallel steel meshes and a plurality of cross steel wires tied between the two steel meshes, the two steel meshes are attached to the front and rear sides of the insulation board, a plurality of cross steel wires pass through the insulation board and are tied to the corresponding steel meshes, and the cross steel wires are embedded in the insulation board in a grid shape; the steel wires of the steel mesh extend out of the top and both sides of the steel mesh and are connected to the steel bars of the shear wall grid.

[0007] The above-mentioned prefabricated wall panel structure in which the shear wall and the lightweight filling wall are integrally formed, wherein the cross steel wires are distributed in a broken line along the horizontal or vertical direction of the insulation board, and are distributed in a straight line passing through the intersection of the broken lines and perpendicular to the plane where the insulation board is located.

[0008] In the above-mentioned prefabricated wall panel structure in which the shear wall and the lightweight filling wall are integrally formed, the thickness of the thermal insulation board is the same as the thickness of the shear wall grid.

[0009] The above-mentioned prefabricated wall panel structure in which the shear wall and the lightweight filling wall are integrally formed, wherein the stress-bearing steel bars include transverse stress-bearing steel bars and vertical stress-bearing steel bars, and the transverse stress-bearing steel bars and the longitudinal stress-bearing steel bars are respectively connected to the wire mesh by binding; the transverse stress-bearing steel bars extend out of both sides of the wire mesh insulation board and are connected to the steel bars of the shear wall grid by binding, and the vertical stress-bearing steel bars extend out of the top of the wire mesh insulation board and are connected to the steel bars of the shear wall grid by binding.

[0010] The above-mentioned prefabricated wall panel structure in which the shear wall and the lightweight filling wall are integrally formed, wherein the vertical stress-bearing steel bars include two groups and are symmetrically distributed on the front and rear sides of the wire mesh insulation board, and the transverse stress-bearing steel bars include two groups and are symmetrically distributed on the front and rear sides of the wire mesh insulation board.

[0011] In the above-mentioned prefabricated wall panel structure in which the shear wall and the lightweight filling wall are integrally formed, each group of the vertical stress-bearing steel bars or the transverse stress-bearing steel bars are symmetrically distributed relative to the center of the wire mesh insulation board.

[0012] In the above-mentioned prefabricated wall panel structure in which the shear wall and the lightweight filling wall are integrally formed, the stress-bearing steel bars are hot-rolled ribbed steel bars.

[0013] The above-mentioned prefabricated wall panel structure in which the shear wall and the lightweight filling wall are integrally formed, wherein the concrete surface layers on the front and rear sides of the shear wall grid and the concrete surface layers on the front and rear sides of the wire grid insulation board are integrally formed.

[0014] The above-mentioned prefabricated wall panel structure in which the shear wall and the lightweight filling wall are integrally formed, wherein the top of the concrete surface layer on the front and rear sides of the wire mesh insulation board is respectively provided with a transverse groove, the length of the groove is consistent with the width of the insulation board, and the cross-section of the groove is L-shaped.

[0015] In summary, the beneficial technical effects of the utility model are:

[0016] The shear wall and the lightweight filling wall of the utility model are integrally formed at one time, and the construction is simple. The lightweight filling wall is firmly connected to the shear wall through the stress-bearing steel bars, which reduces the weight of the prefabricated wall panels and solves the problems of the heavy weight of the prefabricated wall panels and the difficulty in transportation and installation.

[0017] The lightweight filling wall formed by lightweight insulation panels improves the seismic deformation resistance of prefabricated wall panels. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the prefabricated wall panel of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the utility model steel wire grid insulation board;

[0020] Figure 3 yes Figure 2 Side view of

[0021] Figure 4 yes Figure 2 A top view of

[0022] Figure 5 This is a schematic diagram of the exploded structure of the steel wire grid insulation board and the concrete surface layer of the utility model;

[0023] Figure 6 It is a structural schematic diagram of the shear wall grid of the utility model;

[0024] Figure 7 The utility model is a structural schematic diagram of a steel wire grid insulation board filled in a hole of a shear wall grid.

[0025] As shown in the figure, 1. shear wall grid; 11. opening; 2. lightweight filling wall; 21. wire mesh insulation board; 211. wire mesh; 2111. steel mesh; 2112. cross steel wires; 212. insulation board; 3. stress-bearing steel bars; 31. transverse stress-bearing steel bars; 32. vertical stress-bearing steel bars; 4. concrete surface layer; 41. groove; a. shear wall. DETAILED DESCRIPTION

[0026] The following is combined with Figure 1-7 The utility model is described in further detail.

[0027] like Figure 1-7 As shown, a prefabricated wall panel structure in which a shear wall and a lightweight filling wall are integrally formed comprises a shear wall grid 1 of a shear wall a, the shear wall grid 1 forming a pouring cavity for pouring concrete, a downwardly opening hole 11 is reserved in the middle of the shear wall grid 1, a steel wire grid insulation board 21 of a lightweight filling wall 2 is filled in the hole 11, stress-bearing steel bars 3 are respectively tied to the front and rear sides of the steel wire grid insulation board 21, the stress-bearing steel bars 3 are tied and connected to the shear wall grid 1, and a concrete surface layer 4 is respectively provided on the front and rear sides of the shear wall grid 1 and the front and rear sides of the steel wire grid insulation board 21.

[0028] The shear wall grid 1 and the concrete surface layers 4 on the front and rear sides form a shear wall a by pouring concrete, and the steel wire grid insulation board 21, the stress-bearing steel bars 3 and the concrete surface layers 4 on the front and rear sides form a lightweight filling wall 2 by pouring.

[0029] The shear wall a and the lightweight filling wall 2 of the prefabricated wall panel of the utility model are integrally cast. Specifically, firstly, the wire mesh insulation board 21 is embedded in the opening 11 of the shear wall grid 1, and the size of the wire mesh insulation board 21 is adapted to the size of the opening 11; the stress-bearing steel bars 3 on the wire mesh insulation board 21 are tied and connected with the steel bars of the shear wall grid 1, and the templates are placed on the front and back sides and both sides of the shear wall grid 1, and concrete is poured from the top of the shear wall grid 1 downward, and the concrete surface layer 4 is integrally cast between the template and the front and back sides of the shear wall grid 1, and between the template and the front and back sides of the wire mesh insulation board 21; wherein, the thickness of the concrete surface layer 4 is controlled by controlling the distance between the template and the front and back sides of the shear wall grid. Concrete is poured into the pouring cavity of the shear wall grid 1. The concrete integrally casts the shear wall grid 1 and the connection between the shear wall grid 1 and the stressed steel bars 3, thereby improving the connection strength between the shear wall grid 1 and the steel wire grid insulation board 21.

[0030] By filling the opening 11 of the shear wall grid 1 with the steel wire grid insulation board 21, the overall weight of the prefabricated wall is reduced, making it easier to hoist and transport, while also improving the seismic resistance of the prefabricated wall.

[0031] like Figure 2-5As shown, the wire mesh insulation board 21 includes a wire mesh frame 211 and an insulation board 212. The wire mesh frame 211 includes two parallel steel meshes 2111 and a plurality of cross steel wires 2112 tied between the two steel meshes 2111. The steel meshes 2111 are in a rectangular grid shape. The two steel meshes 2111 are attached to the front and rear sides of the insulation board 212. The plurality of cross steel wires 2112 pass through the insulation board 212 and are tied to the corresponding steel meshes 2111. The crossed steel wires 2112 are embedded in the insulation board 212 in a grid shape; the steel wires of the wire mesh 2111 extend out of the top and both sides of the wire mesh 2111 and are connected by binding with the steel bars of the shear wall grid 1. By binding and connecting the steel wires of the wire mesh 2111 with the steel bars of the shear wall grid 1, the firmness of the connection between the steel grid insulation board 21 and the shear wall grid 1 can be further improved, and the strength of the prefabricated wall panel can be improved by pouring concrete thereon.

[0032] like Figure 2-5 The cross wires 2112 are distributed in a fold line along the horizontal or vertical direction of the insulation board 212, and in a straight line passing through the intersection of the fold line and perpendicular to the plane where the insulation board 212 is located. The cross wires 2112 are embedded in the insulation board 212 in a grid shape, which improves the firmness and strength of the connection between the insulation board 212 and the steel wire mesh frame 211.

[0033] The thickness of the thermal insulation board 212 of this embodiment is the same as the thickness of the shear wall grid 1 .

[0034] like Figure 2 , 5 As shown in Figures 7 and 8, the stress-bearing steel bars 3 of this embodiment include transverse stress-bearing steel bars 31 and vertical stress-bearing steel bars 32, and the transverse stress-bearing steel bars 31 and the vertical stress-bearing steel bars 3 are respectively connected by binding with the steel mesh 2111; the transverse stress-bearing steel bars 31 extend out of both sides of the steel wire mesh insulation board 21 and are connected by binding with the steel bars of the shear wall grid 1, and the vertical stress-bearing steel bars 32 extend out of the top of the steel wire mesh insulation board 21 and are connected by binding with the steel bars of the shear wall grid 1.

[0035] In one embodiment, the vertical stress-bearing steel bars 32 include two groups and are symmetrically distributed on the front and rear sides of the wire mesh insulation board 21 , and the transverse stress-bearing steel bars 31 include two groups and are symmetrically distributed on the front and rear sides of the wire mesh insulation board 21 .

[0036] In order to improve the uniformity of the force on the wire mesh insulation board 21 , each group of vertical force-bearing steel bars 32 or transverse force-bearing steel bars 31 is symmetrically distributed relative to the center of the wire mesh insulation board 21 .

[0037] The stress-bearing steel bars 3 of this embodiment are hot-rolled ribbed steel bars.

[0038] The concrete surface layer 4 on the front and rear sides of the shear wall grid 1 is integrally formed with the concrete surface layer 4 on the front and rear sides of the steel wire grid insulation board 21. That is, by setting templates on the front and rear sides and the left and right sides of the shear wall grid 1, by pouring concrete in the shear wall grid 1, the concrete surface layer 4 is integrally formed on the front and rear sides of the shear wall grid 1 and the front and rear sides of the steel wire grid insulation board 21, and the thickness of the concrete surface layer 4 is 40-60mm, and the thickness of the concrete surface layer 4 is selected according to the size of the prefabricated wall panel.

[0039] The top of the concrete surface layer 4 on the front and rear sides of the wire mesh insulation board 21 is respectively provided with a transverse groove 41, the length of the groove 41 is consistent with the width of the insulation board 212, and the cross section of the groove 41 is L-shaped. By providing the strip groove 41, the stiffness of the shear wall a can be reduced.

[0040] The groove 41 can be formed by providing a long convex strip at a corresponding position on the inner side of the template, so that the groove 41 is formed during the pouring of the concrete surface layer 4 .

[0041] In one embodiment, the depth and height of the groove 41 are the same. The depth and height of the groove 41 are both 10-20 mm, and the size of the groove 41 is selected according to the size of the shear wall a.

[0042] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A prefabricated wall panel structure in which a shear wall and a lightweight filling wall are integrally formed, comprising a shear wall grid of the shear wall, wherein the shear wall grid forms a pouring cavity for pouring concrete, characterized in that: A downwardly opening hole is reserved in the middle of the shear wall grid, and the hole is filled with a wire grid insulation board of a lightweight filling wall. The front and rear sides of the wire grid insulation board are respectively tied with stress-bearing steel bars, and the stress-bearing steel bars are tied and connected to the shear wall grid. The front and rear sides of the shear wall grid and the front and rear sides of the wire grid insulation board are respectively provided with concrete surface layers.

2. The prefabricated wall panel structure of the shear wall and the lightweight filling wall formed in one piece according to claim 1 is characterized in that: The wire mesh insulation board includes a wire mesh and an insulation board. The wire mesh includes two parallel steel meshes and a plurality of cross steel wires tied between the two steel meshes. The two steel meshes are attached to the front and rear sides of the insulation board. A plurality of cross steel wires pass through the insulation board and are tied to corresponding steel meshes. The cross steel wires are embedded in the insulation board in a grid shape. The steel wires of the steel mesh extend out of the top and both sides of the steel mesh and are connected to the steel bars of the shear wall grid.

3. The prefabricated wall panel structure of the shear wall and the lightweight filling wall formed in one piece according to claim 2 is characterized in that: The cross steel wires are distributed in a fold line along the horizontal or vertical direction of the thermal insulation board, and in a straight line that passes through the intersection of the fold lines and is perpendicular to the plane where the thermal insulation board is located.

4. The prefabricated wall panel structure of the shear wall and the lightweight filling wall formed in one piece according to claim 2 is characterized in that: The thickness of the thermal insulation board is the same as the thickness of the shear wall grid.

5. The prefabricated wall panel structure of shear wall and light filling wall formed in one piece according to claim 1 is characterized in that: The stress-bearing steel bars include transverse stress-bearing steel bars and vertical stress-bearing steel bars, and the transverse stress-bearing steel bars and the longitudinal stress-bearing steel bars are respectively connected to the wire mesh by binding; the transverse stress-bearing steel bars extend out of both sides of the wire mesh insulation board and are connected to the steel bars of the shear wall grid by binding, and the vertical stress-bearing steel bars extend out of the top of the wire mesh insulation board and are connected to the steel bars of the shear wall grid by binding.

6. The prefabricated wall panel structure of shear wall and light filling wall formed in one piece according to claim 5, characterized in that: The vertical stress-bearing steel bars include two groups and are symmetrically distributed on the front and rear sides of the wire mesh insulation board, and the transverse stress-bearing steel bars include two groups and are symmetrically distributed on the front and rear sides of the wire mesh insulation board.

7. The prefabricated wall panel structure of shear wall and light filling wall formed in one piece according to claim 6, characterized in that: Each group of vertical stress-bearing steel bars or transverse stress-bearing steel bars is symmetrically distributed relative to the center of the wire mesh insulation board.

8. The prefabricated wall panel structure of shear wall and lightweight filling wall formed in one piece according to claim 1 or 5, characterized in that: The stress-bearing steel bars are hot-rolled ribbed steel bars.

9. The prefabricated wall panel structure of shear wall and light filling wall formed in one piece according to claim 1, characterized in that: The concrete surface layers on the front and rear sides of the shear wall grid are integrally formed with the concrete surface layers on the front and rear sides of the steel wire grid insulation board.

10. The prefabricated wall panel structure of shear wall and light filling wall formed in one piece according to claim 1, characterized in that: The tops of the concrete surface layers on the front and rear sides of the steel wire frame insulation board are respectively provided with transverse grooves, the length of the grooves is consistent with the width of the insulation board, and the cross-section of the grooves is L-shaped.

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