Fabricated concrete shear wall high-strength anti-seismic structure

Abstract

The utility model discloses an assembly type concrete shear wall high-strength anti-seismic structure, and particularly relates to the building field, the assembly type concrete shear wall high-strength anti-seismic structure comprises two first wall bodies, the top surfaces of the two first wall bodies are jointly provided with a beam body, the surface of each first wall body is pasted with a reinforcing mesh, and the bottom end of the surface of each first wall body extends outwards to be integrally provided with an extension wall; the extension wall and the reinforcing mesh are fixed through inserting rods, concrete is poured on the surface of the reinforcing mesh, the reinforcing mesh, the concrete and the first wall form a second wall, and steel plates are fixed to the surface of the second wall and between the second wall and the beam body. The steel wire mesh is pasted and fixed to the surface of the first wall body, concrete is poured outside the steel wire mesh to form the second wall body, the anti-seismic property of the second wall body is enhanced, the steel wire mesh is fixed through the inserting rods, and the tightness of connection between the steel wire mesh and the first wall body is enhanced; and steel plates are fixed on the outer surface of the wall body II and between the wall body II and the beam body, so that the stability is further enhanced, and the wall body II is prevented from easily collapsing.

Description

Technical Field

[0001] This utility model relates to the field of building technology, specifically to a prefabricated concrete shear wall high-strength earthquake-resistant structure. Background Technology

[0002] Precast concrete shear walls are a type of concrete shear wall structure that uses precast wall panel components, which are then connected by a reliable method to form a monolithic structure with poured concrete and cement-based grout. This structural system is widely used in my country, mainly in high-rise residential buildings. Its overall load-bearing performance is comparable to that of cast-in-place shear wall structures, and its design principle is "equivalent to cast-in-place".

[0003] The main function of shear walls in buildings is to withstand horizontal loads caused by wind or earthquakes and prevent structural shear failure. Therefore, they need to have good seismic performance. However, most existing shear walls are achieved through the properties of concrete, which results in poor seismic performance.

[0004] Therefore, we have made improvements to this and proposed a prefabricated concrete shear wall high-strength seismic-resistant structure. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] This utility model discloses a prefabricated high-strength seismic-resistant concrete shear wall structure, comprising two wall bodies (I), with a beam installed on the top surface of both wall bodies (I). A steel mesh is adhered to the surface of each wall body (I). An extension wall is integrally formed extending outward from the bottom end of the surface of each wall body (I), and the extension wall is fixed to the steel mesh by insert rods. Concrete is poured onto the surface of the steel mesh, and the steel mesh, concrete, and wall bodies (I) constitute wall body (II). Steel plates are fixed to the surface of wall body (II) and between wall body (II) and the beam.

[0007] As a preferred embodiment of this utility model, the steel mesh is composed of mesh plate one and mesh plate two, with mesh plate one and mesh plate two arranged at intervals, and mesh plate two being snapped onto mesh plate one.

[0008] As a preferred technical solution of this utility model, both ends of the first mesh plate and the second mesh plate extend to the outside of the first wall, and the first mesh plate and the second mesh plate are provided with insertion holes.

[0009] As a preferred technical solution of this utility model, the top surface of the extension wall is provided with a slot, the bottom end of the insertion rod passes through the insertion hole and is fixed in the slot, and the insertion rod is L-shaped. The top end of the steel mesh is spaced from the top surface of the wall, and the horizontal end of the insertion rod is attached to the top surface of the steel mesh. The top surface of the insertion rod is attached to the bottom surface of the beam.

[0010] As a preferred embodiment of this utility model, the insertion rod is made of high-strength steel bars.

[0011] As a preferred technical solution of this utility model, the steel plate is fixed to the second wall by expansion bolts, and the surface of the steel plate is poured with concrete.

[0012] The beneficial effects of this utility model are:

[0013] In this invention, by attaching and fixing a wire mesh to the surface of wall one, and then pouring concrete on the outside of the wire mesh to form wall two, the seismic performance of wall two can be enhanced. The wire mesh is also fixed by inserting rods, which enhances the stability of the wire mesh and the tightness of the connection between the wire mesh and wall one. Furthermore, steel plates are fixed on the outer surface of wall two and between wall two and the beam, which further enhances stability and prevents wall two from collapsing easily. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0015] Figure 1 This is a structural schematic diagram of a prefabricated concrete shear wall high-strength seismic-resistant structure according to this utility model. Figure 1 ;

[0016] Figure 2 This is a structural schematic diagram of a prefabricated concrete shear wall high-strength seismic-resistant structure according to this utility model. Figure 2 ;

[0017] Figure 3 This is a structural schematic diagram of a prefabricated concrete shear wall high-strength seismic-resistant structure according to this utility model. Figure 3 .

[0018] In the diagram: 1. Beam; 2. Wall 1; 3. Insertion hole; 4. Reinforcing mesh; 41. Mesh panel 1; 42. Mesh panel 2; 5. Steel plate; 6. Insert rod; 7. Extension wall; 8. Wall 2; 9. Slot. Detailed Implementation

[0019] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0020] Example: Figures 1 to 3As shown, this utility model discloses a prefabricated concrete shear wall high-strength seismic-resistant structure, comprising two walls 2, with a beam 1 installed on the top surface of both walls 2. Reinforcing mesh 4 is attached to the surface of each wall 2. The reinforcing mesh 4 enhances the horizontal bearing capacity and shear strength of the walls 2. Under horizontal loads such as earthquakes, it reduces structural damage by enhancing ductility and energy dissipation capacity. Simultaneously, the reinforcing mesh 4 evenly distributes the load and restricts shrinkage deformation, thereby suppressing cracks caused by temperature differences or material shrinkage.

[0021] An extension wall 7 is integrally provided extending outward from the bottom surface of wall 2, and the extension wall 7 is fixed to the steel mesh 4 by a rod 6. The rod 6 limits and fixes the steel mesh 4 to the extension wall 7, thereby enhancing the tightness of the connection between the steel mesh 4 and wall 2 and preventing the steel mesh 4 from separating from wall 2.

[0022] The surface of the reinforcing mesh 4 is covered with concrete, and the reinforcing mesh 4, concrete, and wall 2 together form wall 8. Steel plates 5 are fixed to the surface of wall 8 and between wall 8 and beam 1. By pouring concrete, the reinforcing mesh 4 can be further fixed, so that the reinforcing mesh 4 is tightly attached to the surface of wall 2. During the pouring process, it can be used in conjunction with the pouring formwork. In the overall construction process, wall 2 and wall 8 are fixed and constructed in sequence before beam 1 is installed to prevent situations that make construction inconvenient.

[0023] The steel mesh 4 is composed of mesh plate 1 41 and mesh plate 2 42. Mesh plate 1 41 and mesh plate 2 42 are spaced apart, and mesh plate 2 42 is snapped onto mesh plate 1 41. The arrangement of mesh plate 1 41 and mesh plate 2 42 makes it easy to install them on wall 1 2 respectively, so that the steel mesh 4 is tightly attached to the surface of wall 1 2.

[0024] Both ends of mesh panel 1 (41) and mesh panel 2 (42) extend to the outside of wall 1 (2), and mesh panel 1 (41) and mesh panel 2 (42) are provided with insertion holes (3). The top surface of the extension wall 7 is provided with a slot (9). The bottom end of the insertion rod (6) passes through the insertion hole (3) and is fixed in the slot (9). The insertion rod (6) is L-shaped. The top of the steel mesh 4 is spaced from the top surface of wall 1 (2), and the horizontal end of the insertion rod (6) is attached to the top surface of the steel mesh 4. The top surface of the insertion rod (6) is attached to the bottom surface of the beam 1.

[0025] During installation, mesh panel 41 can be first attached to wall 2 using structural adhesive. Then, mesh panel 42 can be inserted onto mesh panel 41 and simultaneously attached to wall 2 using structural adhesive. The wall surface needs to be cleaned before using structural adhesive. After mesh panels 41 and 42 are initially fixed with structural adhesive, insert rod 6 into the insertion hole 3, ensuring that the bottom end of rod 6 is inserted into slot 9. This enhances the tightness of the connection between mesh panels 41 and 42 and facilitates the later pouring of concrete on the surfaces of mesh panels 41 and 42 to fix them to wall 2. At the same time, rod 6 is also fixed and encased in the concrete.

[0026] The insertion rod 6 is made of high-strength steel bars. High-strength steel bars have strong load-bearing capacity, and their good plasticity allows them to absorb more energy during earthquakes, reducing the risk of brittle failure. Moreover, under the same load conditions, the amount of high-strength steel bars used is reduced by 15%-40% compared to ordinary steel bars, thus reducing material costs.

[0027] The steel plate 5 is fixed to the wall 2 8 by expansion bolts, and the surface of the steel plate 5 is filled with concrete. By pouring concrete, the steel plate 5 can be fixed to the surface of the wall 2 8, which enhances the tightness of the connection between the steel plate 5 and the wall 2 8. The steel plate 5 can significantly improve the shear and bending bearing capacity of the wall.

[0028] During operation, by attaching and fixing wire mesh 4 to the surface of wall 2, and then pouring concrete on the outside of wire mesh 4 to form wall 8, the seismic performance of wall 8 can be enhanced. Wire mesh 4 is also fixed by inserting rods 6, which enhances the stability of wire mesh 4 and the tightness of the connection between wire mesh 4 and wall 2. In addition, steel plates 5 are fixed on the outer surface of wall 8 and between wall 8 and beam 1 to further enhance stability and prevent wall 8 from collapsing easily.

[0029] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A prefabricated concrete shear wall high-strength seismic-resistant structure, comprising two wall sections (2), wherein a beam (1) is installed on the top surface of both wall sections (2), characterized in that, The surface of the first wall (2) is covered with steel mesh (4). An extension wall (7) is integrally provided extending outward from the bottom of the surface of the first wall (2). The extension wall (7) and the steel mesh (4) are fixed together by a rod (6). The surface of the steel mesh (4) is filled with concrete. The steel mesh (4), the concrete and the first wall (2) constitute the second wall (8). The surface of the second wall (8) and the connection between the second wall (8) and the beam (1) are fixed with steel plates (5).

2. The prefabricated concrete shear wall high-strength seismic-resistant structure according to claim 1, characterized in that, The steel mesh (4) is composed of mesh plate one (41) and mesh plate two (42), mesh plate one (41) and mesh plate two (42) are arranged at intervals, and mesh plate two (42) is snapped onto mesh plate one (41).

3. The prefabricated concrete shear wall high-strength seismic-resistant structure according to claim 2, characterized in that, Both ends of the first mesh panel (41) and the second mesh panel (42) extend to the outside of the first wall (2), and the first mesh panel (41) and the second mesh panel (42) are provided with insertion holes (3).

4. The prefabricated concrete shear wall high-strength seismic-resistant structure according to claim 1, characterized in that, The top surface of the extension wall (7) is provided with a slot (9). The bottom end of the insertion rod (6) passes through the insertion hole (3) and is fixed in the slot (9). The insertion rod (6) is L-shaped. The top of the steel mesh (4) is spaced from the top surface of the wall (2). The horizontal end of the insertion rod (6) is attached to the top surface of the steel mesh (4). The top surface of the insertion rod (6) is attached to the bottom surface of the beam (1).

5. A prefabricated concrete shear wall high-strength seismic-resistant structure according to claim 1, characterized in that, The insertion rod (6) is made of high-strength steel bars.

6. A prefabricated concrete shear wall high-strength seismic-resistant structure according to claim 1, characterized in that, The steel plate (5) is fixed to the second wall (8) by expansion bolts, and the surface of the steel plate (5) is filled with concrete.

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