Concrete anti-seismic shear wall

By installing buffer devices, including buffer base plates and shock absorbers, on the steel cage, the problems of deformation and cracking of traditional concrete shear walls under seismic action are solved, thereby improving seismic performance and enhancing post-earthquake recovery capabilities.

CN223907714UActive Publication Date: 2026-02-13ZHEJIANG BAOHONG CONSTR IND MFG CO LTD
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Patent Information

Application Number
CN202520299597.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-02-13
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

Traditional concrete shear walls are prone to deformation and cracking under earthquake loads. They lack effective energy dissipation mechanisms, leading to stiffness degradation and reduced load-bearing capacity, and making repair difficult.

Method used

A buffer device is installed on the reinforcing cage, including a first buffer base plate, a second buffer base plate, and a shock absorber. It is connected to the horizontal reinforcement through a connecting mechanism. The buffer base plate and the shock absorber absorb and buffer the deformation and force of the reinforcing cage, thereby enhancing its seismic resistance.

Benefits of technology

It improves the seismic performance and post-earthquake recovery capacity of concrete shear walls, enhances the stability and durability of the structure, and simplifies the installation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a concrete anti-seismic shear wall, and relates to the technical field of constructional engineering, the concrete anti-seismic shear wall comprises a reinforcement cage and a concrete body wrapping the reinforcement cage, and the reinforcement cage is provided with a buffer device used for buffering the deformation quantity of the reinforcement cage. The first buffer base plate is moved to be placed in a reinforcement cage, the two mounting blocks on the first buffer base plate are moved to be connected with the two adjacent transverse bars correspondingly, then the second buffer base plate is moved to abut against the transverse bars above the first buffer base plate, and the first shock absorber is mounted between the first buffer base plate and the second buffer base plate; and force and deformation borne by the reinforcement cage in the vertical direction are absorbed and buffered through cooperation of the first buffering base plate, the second buffering base plate and the first shock absorbers, and the anti-seismic capacity and the post-earthquake recovery capacity of the wall are greatly improved.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of building engineering, in particular to a concrete anti-seismic shear wall. BACKGROUND

[0002] The concrete shear wall is a wall structure used in building structures to resist lateral forces such as wind and earthquake forces. It is composed of reinforced concrete, has high stiffness and strength, and can provide significant shear resistance in the horizontal direction to protect buildings from lateral forces. Shear walls are widely used in high-rise buildings, buildings in earthquake-prone areas and structures that require high wind resistance.

[0003] Traditional concrete shear walls are usually formed by pouring concrete on a tied steel cage. This structure lacks energy dissipation mechanism and is prone to deformation and cracking under earthquake action, resulting in stiffness degradation, load capacity reduction and difficult repair. CONTENT OF THE UTILITY MODEL

[0004] In order to improve the seismic durability of the concrete shear wall, the application provides a concrete anti-seismic shear wall.

[0005] The application provides a concrete anti-seismic shear wall, which adopts the following technical scheme:

[0006] A concrete anti-seismic shear wall, comprising a steel cage and a concrete body wrapped on the steel cage, wherein the steel cage is provided with a buffer device for buffering the deformation amount of the steel cage, and the buffer device comprises:

[0007] A first buffer base plate, the steel bars in the steel cage are divided into horizontal bars and straight bars, and the first buffer base plate is placed on the adjacent two horizontal bars and arranged in a horizontal state;

[0008] A first shock absorber, the first shock absorber is arranged on the first buffer base plate and arranged in a vertical state;

[0009] A second buffer base plate, the second buffer base plate is arranged on the first shock absorber and in contact with the horizontal bars above the first buffer base plate;

[0010] Two mounting plates, the two mounting plates are both horizontally slidingly arranged on the first buffer base plate, and the two mounting plates are provided with a connecting mechanism, and the mounting plates are connected with the horizontal bars through the connecting mechanism.

[0011] By adopting the technical scheme, the first buffering base plate is moved into the reinforcement cage, two mounting blocks on the first buffering base plate are connected with two adjacent transverse bars respectively, then the second buffering base plate is moved to abut against the transverse bars above the first buffering base plate, and the first damper is installed between the first buffering base plate and the second buffering base plate, so that the force and deformation in the vertical direction of the reinforcement cage are absorbed and buffered by the cooperation of the first buffering base plate, the second buffering base plate and the first damper, and the anti-seismic and post-seismic recovery capability of the wall body is greatly improved.

[0012] Optionally, the connecting mechanism comprises:

[0013] Two connecting plates, the two connecting plates are both horizontally slidably arranged on the mounting plate;

[0014] A connecting spring, two ends of the connecting spring are respectively connected with opposite two side walls of the two connecting plates, and the two connecting plates are clamped to the transverse bar under the action of the connecting spring.

[0015] By adopting the technical scheme, the two connecting plates are slidably installed on the mounting plate, and the connecting spring is installed between the two connecting plates, and the two connecting plates are clamped to the transverse bar under the action of the connecting spring, so that the connection between the mounting plate and the transverse bar is completed, and the structure is simple and convenient to install.

[0016] Optionally, an inclined guide corner is formed at the bottom end of each of the two connecting plates, and the height of the end of the guide corner of each of the two connecting plates that is closer to the other is higher than the height of the end of the guide corner of each of the two connecting plates that is farther away from the other.

[0017] By adopting the technical scheme, the inclined guide corner is formed at the bottom end of each of the two connecting plates, so that when the two connecting plates are moved to contact the transverse bar, the guide corner generates a force driving the two connecting plates to move away from each other, thereby facilitating the clamping of the two connecting plates to the transverse bar, without the need for manual movement of the two connecting plates away from each other, thereby simplifying the working steps and improving the working efficiency.

[0018] Optionally, a second damper is arranged at the bottom of the first buffering base plate, the second damper is arranged in a horizontal state, and two ends of the second damper are respectively connected with the two mounting plates.

[0019] By adopting the technical scheme, the second damper connected with the two mounting plates is installed at the bottom of the first buffering base plate, and the displacement between two adjacent transverse bars in the horizontal direction is buffered by the second damper, thereby achieving the work of absorbing and buffering the force and deformation of the reinforcement cage in the horizontal direction, and greatly improving the anti-seismic and post-seismic recovery capability of the wall body.

[0020] Optionally, the first and second buffering substrates are each composed of a first plate, a second plate and an expansion section mounted between the first and second plates, the first and second plates are connected together through the expansion section, and the expansion section allows the first and second plates to relatively displace when subjected to external force.

[0021] By adopting the above technical solution, the first and second buffering substrates are set to have the structure composed of the first plate, the second plate and the expansion section, so that when the two adjacent straight ribs relatively displace due to external force, the first and second plates can also relatively displace by a certain amount through the expansion section, thereby protecting the integrity of the first and second buffering substrates as a whole, reducing the probability of the first and second buffering substrates being broken after the two adjacent straight ribs move, and ensuring the long-term working ability of the first and second buffering substrates.

[0022] Optionally, the expansion section includes:

[0023] A plug-in plate is provided on the first plate and is inserted into the sliding slot of the second plate.

[0024] A telescopic spring is provided on the first plate and connected to the second plate.

[0025] By adopting the above technical solution, the plug-in plate is mounted on the first plate and is inserted into the sliding slot of the second plate, so that the first and second plates can relatively displace, and the telescopic spring mounted between the first and second plates can absorb and restore the relative displacement between the first and second plates.

[0026] Optionally, a limiting frame is provided at the opening of the sliding slot of the second plate, and a limiting plate is provided on one end of the plug-in plate inserted into the sliding slot, and the limiting plate and the limiting frame abut when the telescopic spring is elongated to the limit length.

[0027] By adopting the above technical solution, the limiting frame is mounted at the opening of the sliding slot, and the limiting plate is mounted on the plug-in plate, so that the limiting plate can be fixed in position under the action of the limiting block when the telescopic spring is elongated to the limit length, thereby reducing the probability of the telescopic spring being damaged and causing the first and second plates to separate, and improving the overall structural strength and stability of the first and second buffering substrates.

[0028] Optionally, a triangular reinforcing rib plate is provided between the plug-in plate and the first plate.

[0029] By adopting the above technical solution, the triangular reinforcing rib plate is mounted between the plug-in plate and the first plate, thereby improving the structural strength between the plug-in plate and the first plate and strengthening the connection strength between the first and second plates.

[0030] In summary, the present application includes at least one of the following beneficial technical effects:

[0031] 1. By moving the first buffer base plate into the reinforcement cage, moving the two mounting blocks on the first buffer base plate to connect with the adjacent two horizontal bars, then moving the second buffer base plate to resist the horizontal bars above the first buffer base plate, and installing the first shock absorber between the first buffer base plate and the second buffer base plate, the force and deformation in the vertical direction of the reinforcement cage are absorbed and buffered by the cooperation of the first buffer base plate, the second buffer base plate and the first shock absorber, greatly improving the anti-seismic and post-seismic recovery ability of the wall body;

[0032] 2. By sliding two connecting plates on the mounting plate and installing connecting springs between the two connecting plates, the two connecting plates are clamped to the horizontal bars under the action of the connecting springs, thereby completing the connection between the mounting plate and the horizontal bars, which is simple in structure and convenient and fast in installation;

[0033] 3. By sliding two connecting plates on the mounting plate and installing connecting springs between the two connecting plates, the two connecting plates are clamped to the horizontal bars under the action of the connecting springs, thereby completing the connection between the mounting plate and the horizontal bars, which is simple in structure and convenient and fast in installation. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 is a schematic diagram of the three-dimensional structure of the present application;

[0035] Figure 2 is a schematic diagram of the structure of the buffer device in the present application, in which the side wall of the first buffer base plate and the side wall of the mounting plate are cut open;

[0036] Figure 3 is a schematic diagram of the structure of the buffer device in the present application, in which the side wall of the first buffer base plate and the side wall of the mounting plate are cut open; Figure 2 is an enlarged schematic diagram of part A in

[0037] Fig. 11, reinforcement cage; 12, concrete body; 13, horizontal bar; 14, straight bar; 2, buffer device; 21, first buffer base plate; 22, first shock absorber; 23, second buffer base plate; 24, mounting plate; 25, connecting mechanism; 26, connecting plate; 27, connecting spring; 28, guide corner; 29, second shock absorber; 31, first plate; 32, second plate; 33, telescopic part; 34, plug plate; 35, telescopic spring; 36, sliding groove; 37, limiting frame; 38, limiting plate; 39, reinforcing rib plate. DETAILED DESCRIPTION

[0038] The following will be described in detail in combination with the accompanying drawings Figure 1 - the accompanying drawings Figure 3 The present application will be further described in detail.

[0039] The application discloses a concrete anti-seismic shear wall.

[0040] With reference to Figure 1 , the concrete anti-seismic shear wall comprises a steel reinforcement cage 11 and a concrete body 12 wrapped on the steel reinforcement cage 11, and a buffering device 2 is arranged on the steel reinforcement cage 11 and used for buffering a deformation amount of the steel reinforcement cage 11.

[0041] With reference to Figure 1 and Figure 2 , the buffering device 2 comprises a first buffering base plate 21, a first shock absorber 22, a second buffering base plate 23, two mounting plates 24 and a connecting mechanism 25. Steel reinforcements in the steel reinforcement cage 11 are divided into horizontal reinforcements 13 and straight reinforcements 14, the first buffering base plate 21 is arranged on two adjacent horizontal reinforcements 13 and is arranged in a horizontal state. The first shock absorber 22 is fixedly installed on the upper surface of the first buffering base plate 21 and is arranged in a vertical state. The second buffering base plate 23 is fixedly installed on the top end of the first shock absorber 22 and is in abutment with the horizontal reinforcement 13 above the first buffering base plate 21. The two mounting plates 24 are both horizontally slidably installed on the lower surface of the first buffering base plate 21. The connecting mechanism 25 is arranged on the mounting plate 24, and the mounting plate 24 is connected with the horizontal reinforcement 13 through the connecting mechanism 25.

[0042] With reference to Figure 1 and Figure 2 , the first buffering base plate 21 and the second buffering base plate 23 are arranged in the steel reinforcement cage 11, and then the force and the deformation of the steel reinforcement cage 11 in the vertical direction are absorbed and buffered through cooperation of the first buffering base plate 21, the second buffering base plate 23 and the first shock absorber 22, so that the anti-seismic and post-earthquake recovery capability of the wall body is greatly improved.

[0043] With reference to Figure 2 and Figure 3 , the connecting mechanism 25 comprises two connecting plates 26 and a connecting spring 27. The two connecting plates 26 are both horizontally slidably installed on the bottom surface of the mounting plate 24. The bottom end of each of the two connecting plates 26 is provided with an inclined guide corner 28, and the height of the end, at which the guide corners 28 of the two connecting plates 26 are close to each other, is higher than the height of the end, at which the guide corners 28 of the two connecting plates 26 are far away from each other. When the two connecting plates 26 are moved to be in contact with the horizontal reinforcement 13, the guide corners 28 generate a force for driving the two connecting plates 26 to be far away from each other, so that the two connecting plates 26 can clamp the horizontal reinforcement 13.

[0044] With reference to Figure 2 and Figure 3 , the first buffering base plate 21 and the second buffering base plate 23 are both composed of a first plate 31, a second plate 32 and an expansion part 33 arranged between the first plate 31 and the second plate 32. The first plate 31 and the second plate 32 are connected together through the expansion part 33, and the expansion part 33 enables the first plate 31 and the second plate 32 to relatively displace when subjected to external force.

[0045] Referring to Figure 2 and Figure 3 , the telescopic part 33 comprises an insertion plate 34 and a telescopic spring 35. The insertion plate 34 is fixedly installed on the side wall of the first plate 31 close to the second plate 32. A horizontal sliding groove 36 is formed on the side wall of the second plate 32 close to the first plate 31. The end of the insertion plate 34 is insertedly matched with the sliding groove 36. One end of the telescopic spring 35 is fixedly installed on the side wall of the first plate 31 close to the second plate 32, and the other end of the telescopic spring 35 is fixedly connected with the side wall of the second plate 32 close to the first plate 31.

[0046] Referring to Figure 2 and Figure 3 , the opening of the sliding groove 36 on the second plate 32 is fixedly installed with a limiting frame 37. The end of the insertion plate 34 inserted into the sliding groove 36 is fixedly installed with a limiting plate 38. When the telescopic spring 35 is stretched to the limit length, the limiting plate 38 is in contact with the limiting frame 37. The insertion plate 34 and the first plate 31 are fixedly installed with a triangular reinforcing rib plate 39.

[0047] Referring to Figure 1 and Figure 2 , the lower surfaces of the first plate 31 and the second plate 32 of the first buffering base plate 21 are respectively fixedly installed with two mounting plates 24. The second damper 29 arranged in a horizontal state is fixedly installed between the two mounting plates 24. The displacement between the two adjacent transverse ribs 13 in the horizontal direction can be buffered through the second damper 29, so as to realize the work of absorbing and buffering the force and deformation of the steel bar cage 11 in the horizontal direction, and greatly improve the anti-seismic and post-seismic recovery capability of the wall.

[0048] The working principle of the embodiment of the present application is as follows:

[0049] The first buffering base plate 21 is moved to be placed into the steel bar cage 11, the two mounting blocks on the first buffering base plate 21 are respectively connected with the two adjacent transverse ribs 13, then the second buffering base plate 23 is moved to be in contact with the transverse rib 13 above the first buffering base plate 21, and the first damper 22 is installed between the first buffering base plate 21 and the second buffering base plate 23, so as to realize the work of absorbing and buffering the force and deformation of the steel bar cage 11 in the vertical direction through the cooperation of the first buffering base plate 21, the second buffering base plate 23 and the first damper 22, and greatly improve the anti-seismic and post-seismic recovery capability of the wall.

[0050] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, so that: any equivalent changes made on the structure, shape and principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A concrete seismic-resistant shear wall, characterized in that: Includes a reinforcing cage (11) and a concrete body (12) covering the reinforcing cage (11). The reinforcing cage (11) is provided with a buffer device (2) for buffering the deformation of the reinforcing cage (11). The buffer device (2) includes: The first buffer base plate (21) is formed by dividing the steel bars in the steel cage (11) into horizontal bars (13) and vertical bars (14). The first buffer base plate (21) is placed on two adjacent horizontal bars (13) and is set in a horizontal state. The first shock absorber (22) is disposed on the first buffer base plate (21) and is disposed in a vertical position; The second buffer substrate (23) is disposed on the first shock absorber (22) and abuts against the horizontal rib (13) above the first buffer substrate (21); Two mounting plates (24) are horizontally slidably disposed on the first buffer base plate (21). A connecting mechanism (25) is provided on the two mounting plates (24). The mounting plates (24) are connected to the cross rib (13) through the connecting mechanism (25).

2. A concrete seismic shear wall according to claim 1, characterized in that: The connecting mechanism (25) includes: Two connecting plates (26) are horizontally slidably mounted on the mounting plate (24); A connecting spring (27) is connected at both ends to the opposite side walls of two connecting plates (26), and the two connecting plates (26) clamp the transverse rib (13) under the action of the connecting spring (27).

3. A concrete seismic shear wall according to claim 2, characterized in that: Both connecting plates (26) have inclined guide angles (28) at their bottom ends. The height of the guide angles (28) of the two connecting plates (26) that are close to each other is higher than the height of the guide angles that are far apart from each other.

4. A concrete seismic shear wall according to claim 3, characterized in that: The bottom of the first buffer base plate (21) is provided with a second shock absorber (29), which is arranged in a horizontal state, and the two ends of the second shock absorber (29) are respectively connected to two mounting plates (24).

5. A concrete seismic shear wall according to claim 4, characterized in that: The first buffer substrate (21) and the second buffer substrate (23) are both composed of a first plate (31), a second plate (32) and a telescopic part (33) installed between the first plate (31) and the second plate (32). The first plate (31) and the second plate (32) are connected together by the telescopic part (33), which allows the first plate (31) and the second plate (32) to be relatively displaced when subjected to external force.

6. A concrete seismic shear wall according to claim 5, characterized in that: The telescopic part (33) includes: Insert plate (34), the second plate (32) has a horizontal sliding groove (36) on its side wall, the insert plate (34) is disposed on the first plate (31) and its end is inserted into the sliding groove (36); A telescopic spring (35) is disposed on a first plate (31) and connected to a second plate (32).

7. A concrete seismic shear wall according to claim 6, characterized in that: A limiting frame (37) is provided at the opening of the sliding groove (36) on the second plate (32). A limiting plate (38) is provided on one end of the insert plate (34) inserted into the sliding groove (36). When the telescopic spring (35) is extended to its limit length, the limiting plate (38) abuts against the limiting frame (37).

8. A concrete seismic shear wall according to claim 6, characterized in that: A triangular reinforcing rib (39) is provided between the insert plate (34) and the first plate (31).