Prefabricated shear wall reinforcing structure

Abstract

The utility model discloses a prefabricated shear wall reinforcing structure, and belongs to the technical field of energy dissipation and shock absorption of constructional engineering. The connecting beam structure comprises a prefabricated shear wall component, a prefabricated connecting beam component and a mild steel damper arranged on the side of the prefabricated connecting beam component. The prefabricated shear wall component comprises a first prefabricated shear wall component and a second prefabricated shear wall component, and the first prefabricated shear wall component is connected with the second prefabricated shear wall component through the prefabricated coupling beam component; a first end plate and a second end plate parallel to the first end plate are arranged on the mild steel damper, the first end plate is connected with the first prefabricated shear wall component or the second prefabricated shear wall component, and the second end plate is connected with the prefabricated coupling beam component. The soft steel damper is arranged between the prefabricated shear wall component and the prefabricated coupling beam component to form a series energy dissipation structure, so that the energy dissipation capacity is improved, the earthquake response is reduced, and the overall anti-seismic property and stability of the structure are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to building engineering energy dissipation and shock absorption technical field especially relates to a prefabricated shear wall reinforcing structure. BACKGROUND

[0002] Energy dissipation and shock absorption technology is a kind of technology aiming at reducing the dynamic response generated by building structure under the action of earthquake or other vibration load, and its basic principle is to use the device that can absorb and dissipate seismic energy to reduce the vibration amplitude of building structure, to guarantee the safety of structure and personnel.In current engineering application, shear wall reinforcement is a common reinforcing mode, which increases the lateral stiffness of structure to improve the seismic capacity.However, the construction of shear wall involves more wet work, and the cycle is longer, which will affect the surrounding environment, and it is difficult to meet the requirements of sustainable development.

[0003] For the above problems, the prior art generally adopts fabricated shear wall structure, that is, prefabricated shear wall components and node cast-in-place are used to build.However, compared with traditional cast-in-place structure, the stress performance of the connecting section of fabricated shear wall structure is weak, the bearing capacity of node place drops, which leads to poor stability and seismic performance of the whole structure. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the insufficient in prior art, provides a prefabricated shear wall reinforcing structure, by setting soft steel damper between prefabricated shear wall component and prefabricated coupling beam component, form series type energy dissipation structure, to improve energy dissipation capacity, reduce seismic response, enhance the seismic performance and stability of the whole structure.

[0005] To achieve the above object, the utility model is adopted with the following technical scheme:

[0006] The utility model provides a prefabricated shear wall reinforcing structure, including prefabricated shear wall component, prefabricated coupling beam component and soft steel damper arranged in the side of prefabricated coupling beam component;

[0007] The prefabricated shear wall component includes first prefabricated shear wall component and second prefabricated shear wall component, and the first prefabricated shear wall component is connected with the second prefabricated shear wall component through the prefabricated coupling beam component.

[0008] The first end plate is connected with the first prefabricated shear wall component or the second prefabricated shear wall component, and the second end plate is connected with the prefabricated coupling beam component.

[0009] Optionally, the first end plate is connected with the second end plate through the web, and the web is provided with opening hole for enhancing energy dissipation.

[0010] Optionally, the opening hole is hexagonal.

[0011] Optionally, the side length of the hexagon is 500 mm.

[0012] Optionally, the soft steel damper is provided with two groups, which are arranged at the connecting position of the prefabricated coupling beam component and the first prefabricated shear wall component or the second prefabricated shear wall component.

[0013] Optionally, the soft steel damper is a soft steel I-beam.

[0014] Optionally, the soft steel damper is filled with grouting material in the circumferential direction, which is used for enhancing the stability of the structure.

[0015] Optionally, the prefabricated shear wall component comprises a steel frame and a first embedded steel plate.

[0016] The steel frame is filled with concrete in the circumferential direction, which is used for increasing the rigidity, strength and anti-collapse capacity of the structure.

[0017] The first embedded steel plate is anchored to the steel frame through steel bars and connected with the first end plate of the soft steel damper.

[0018] Optionally, the prefabricated coupling beam component comprises a prefabricated coupling beam and a second embedded steel plate.

[0019] The second embedded steel plate is arranged beside the prefabricated coupling beam and connected with the second end plate of the soft steel damper.

[0020] Optionally, the second embedded steel plate is provided with two groups, which are arranged on both sides of the prefabricated coupling beam.

[0021] Compared with the prior art, the prefabricated shear wall reinforcing structure provided by the utility model has at least the following beneficial effects:

[0022] 1. The prefabricated shear wall reinforcing structure provided by the utility model forms a series type energy dissipation structure by arranging a soft steel damper between the prefabricated shear wall component and the prefabricated coupling beam component, and has stronger energy dissipation capacity compared with the traditional cast-in-place structure.

[0023] 2. The soft steel I-beam damper with hexagonal holes in the web can effectively transmit bending moment and shear force, so that the soft steel damper produces relative deformation under stress, which helps to improve the overall seismic performance of the structure.

[0024] 3. This utility model combines prefabricated technology and energy dissipation and vibration reduction technology, which can not only reduce the amount of wet work and shorten the construction period, meeting the requirements of green construction; it can also strengthen the shear wall frame structure, enhance energy absorption capacity, and effectively control seismic response. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a structural schematic diagram of a prefabricated shear wall reinforcement structure provided in an embodiment of this utility model;

[0027] Figure 2 This is a schematic diagram of the structure of a soft steel damper provided in an embodiment of this utility model;

[0028] Figure 3 This is a structural schematic diagram of a prefabricated shear wall component provided in an embodiment of this utility model;

[0029] Figure 4 This is a structural schematic diagram of a pre-embedded steel plate provided in an embodiment of this utility model;

[0030] Figure 5 This is a structural schematic diagram of a prefabricated connecting beam component provided in an embodiment of this utility model.

[0031] In the figure: 1-Soft steel damper; 11-First end plate; 12-Second end plate; 13-Web plate; 14-Opening hole; 21-First embedded steel plate; 22-Second embedded steel plate; 3-Reinforcing bar; 4-Precast connecting beam component; 5-Precast shear wall component. Detailed Implementation

[0032] The present invention will be further described below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and should not be used to limit the scope of protection of the present invention.

[0033] Example 1

[0034] This embodiment provides a precast shear wall reinforcement structure, such as Figure 1 As shown, it includes precast shear wall components 5, precast connecting beam components 4, and soft steel dampers 1. The precast shear wall components 5 are provided in two sets, including a first precast shear wall component (…). Figure 1 (left side) and second precast shear wall components ( Figure 1The first prefabricated shear wall component and the second prefabricated shear wall component are connected through the prefabricated coupling beam component 4.

[0035] Further, the soft steel damper 1 is arranged beside the prefabricated coupling beam component 4, i.e. at the connection between the prefabricated shear wall component 5 and the prefabricated coupling beam component 4, and the three form a series type energy dissipation structure. Specifically, referring to Figure 2 The soft steel damper 1 is provided with a first end plate 11 and a second end plate 12 arranged in parallel with the first end plate 11; the soft steel damper 1 is connected with the first prefabricated shear wall component or the second prefabricated shear wall component through the first end plate 11, and is connected with the prefabricated coupling beam component 4 through the second end plate 12.

[0036] The prefabricated shear wall reinforcing structure provided by the embodiment forms a series type energy dissipation structure by arranging the soft steel damper 1 between the prefabricated shear wall component 5 and the prefabricated coupling beam component 4, and has stronger energy dissipation capacity compared with the traditional cast-in-place structure; and the series type energy dissipation structure controls the main damage of the earthquake at the soft steel damper 1, can effectively reduce the seismic response of the building structure, and thus enhances the overall anti-seismic performance and stability of the structure.

[0037] In the embodiment, two groups of soft steel dampers 1 are arranged, respectively at the left and right sides of the prefabricated coupling beam component 4, i.e. one is arranged at the connection between the prefabricated coupling beam component 4 and the first prefabricated shear wall component, and the other is arranged at the connection between the prefabricated coupling beam component 4 and the second prefabricated shear wall component. In addition, in order to enhance the stability of the structure, the soft steel dampers 1 can be wrapped with grouting material outside, and the soft steel dampers 1 are secondarily reinforced through filling the grouting material, so as to form a node connection part.

[0038] As an embodiment, as shown in Figure 2 The soft steel damper 1 is further provided with a web plate 13 connecting the first end plate 11 and the second end plate 12, the first end plate 11 and the second end plate 12 are respectively located at the two sides of the web plate 13, and the web plate 13 is provided with an open hole 14, so that the soft steel damper 1 can enter the plastic state earlier, and the energy dissipation effect can be enhanced.

[0039] Specifically, the soft steel damper 1 is a metal coupling beam type damper specially designed for the coupling beam in the shear wall structure, and has good adaptability and flexibility. Further, the soft steel damper 1 can be a H-shaped soft steel with the open hole 14 arranged on the web plate 13 and arranged in axial symmetry, and the model is LY160; it is a new form which is cut according to a certain fold line on the H-shaped steel web plate, and is formed through displacement, re-welding and combination.

[0040] It should be noted that the opening hole 14 can be made into several different shapes, and in the embodiment, the opening hole 14 can be a hexagon with a side length of 500 mm, which helps to improve the energy absorption efficiency. This description is to make the technical scheme of the utility model more clear. In actual engineering application, the shape and side length of the opening hole 14 and the shape and model of the mild steel damper 1 can also be selected according to the actual situation to select appropriate parameters to meet the use requirements.

[0041] The embodiment adopts the I-shaped mild steel damper 1 with the web plate 13 provided with the hexagonal opening hole 14, which can effectively transmit the bending moment and shear force, so that the mild steel damper 1 generates relative deformation when subjected to force, which helps to improve the overall seismic performance of the structure; and the opening hole 14 on the web plate 13 can be used to pass through pipelines in the factory building structure, which helps to improve the space utilization rate compared with the pipeline arrangement of the floor beam; in addition, compared with the traditional I-shaped steel damper, the use of materials is reduced, which helps to save cost and enhance the aesthetic appearance.

[0042] Embodiment two

[0043] The embodiment provides a prefabricated shear wall reinforcing structure, which is different from the embodiment one in that Figure 3 and Figure 4 The prefabricated shear wall component 5 includes a steel reinforcement frame, concrete for circumferential filling of the steel reinforcement frame, and a first embedded steel plate 21 anchored to the upper side of the steel reinforcement frame by the steel bar 3. The concrete is poured on both the inner and outer sides of the steel reinforcement frame to increase the stiffness, strength and collapse resistance of the structure, and the first embedded steel plate 21 is used to connect the first end plate 11 of the mild steel damper 1.

[0044] As an optional embodiment, as shown in Figure 5 The prefabricated coupling beam component 4 includes a prefabricated coupling beam and a second embedded steel plate 22 arranged beside the prefabricated coupling beam. The second embedded steel plate 22 is provided in two groups and arranged on both sides of the prefabricated coupling beam, and is used to connect the second end plate 12 of the mild steel damper 1. Specifically, one end of the mild steel damper 1 is fixedly connected to the first embedded steel plate 21 of the first or second prefabricated shear wall component through the first end plate 11, and the other end is fixedly connected to the two groups of second embedded steel plates 22 of the prefabricated coupling beam component 4 through the second end plate 12.

[0045] It should be noted that the first embedded steel plate 21 and the second embedded steel plate 22 can be made of soft steel material, such as LY100 and LY225. In addition, in the embodiment, the first end plate 11 and the first embedded steel plate 21 or the second end plate 12 and the second embedded steel plate 22 are fixedly connected by welding. In actual engineering application, other materials or other connection methods can also be used as long as they do not affect the connection effect.

[0046] The assembly steps of the prefabricated shear wall reinforcing structure are as follows:

[0047] S1: hoist the first prefabricated shear wall component and the prefabricated coupling beam component 4 to the designated position;

[0048] S2: weld the left side of one soft steel damper 1 with the first embedded steel plate 21 on the right side of the first prefabricated shear wall component, and weld the right side of the soft steel damper 1 with the second embedded steel plate 22 on the left side of the prefabricated coupling beam component 4;

[0049] S3: after welding, hoist the second prefabricated shear wall component to the designated position;

[0050] S4: weld the right side of another soft steel damper 1 with the first embedded steel plate 21 on the left side of the second prefabricated shear wall component, and weld the left side of the soft steel damper 1 with the second embedded steel plate 22 on the right side of the prefabricated coupling beam component 4;

[0051] S5: respectively pour grouting material at the two connecting nodes, wrap the soft steel damper 1 with the grouting material, and ensure the flatness of the connecting surface and the contact surface of the prefabricated coupling beam component 4.

[0052] The soft steel damper 1 needs to be processed in advance in the workshop, that is, the solid-web I-shaped steel is cut according to the established fold line, and then the two parts are welded after being moved and positioned, to form a hexagonal web hole with a side length of 500 mm.

[0053] The prefabricated shear wall reinforcing structure has the advantages that the soft steel damper is arranged between the prefabricated shear wall component and the prefabricated coupling beam component, a series energy dissipation structure is formed, the shear wall frame structure is reinforced, the seismic response is reduced, and the overall anti-seismic performance and stability of the structure are improved.

[0054] Compared with the traditional cast-in-place structure, the prefabricated shear wall reinforcing structure has better energy dissipation capacity, higher energy dissipation coefficient, and satisfies the engineering requirement in ductility; the soft steel damper web is provided with a hole, the characteristics of the soft steel damper can be fully utilized, the damage position is mainly the soft steel component, the workload in the reinforcing process is reduced, the soft steel damper is easy to replace after the earthquake, the operation efficiency is improved, and the repair cost and difficulty are reduced; in addition, compared with the traditional I-shaped steel damper, the prefabricated shear wall reinforcing structure saves materials and cost.

[0055] The prefabricated shear wall reinforcing structure ingeniously combines the prefabricated technology and the energy dissipation and shock absorption technology, has simple and reasonable design, good economy, is convenient to assemble and has less wet work, and greatly improves the efficiency of the frame structure reinforcement.

[0056] In the description of the utility model, need understanding is, the term "center", "upper", "lower", "front", "back", "left", "right", "top", "bottom", "internal", "external" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only is for the convenience of describing the utility model and simplifying the description, and is not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore can not be understood as the restriction of the utility model. In addition, the term "first", "second" and so on are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and so on can be explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0057] In the description of the utility model, it should be explained that, unless otherwise expressly provided and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0058] The above is only the preferred embodiment of the utility model, it should be pointed out that, for ordinary skilled in the art, on the premise of not departing from the technical principles of the utility model, can also make several improvements and deformations, these improvements and deformations also should be considered as the protection scope of the utility model.

Claims

1. A prefabricated shear wall reinforcement structure, characterized by, The application relates to a prefabricated shear wall structure, which comprises a prefabricated shear wall component (5), a prefabricated coupling beam component (4) and a soft steel damper (1) arranged on the side of the prefabricated coupling beam component (4). The prefabricated shear wall component (5) comprises a first prefabricated shear wall component and a second prefabricated shear wall component, and the first prefabricated shear wall component is connected with the second prefabricated shear wall component through the prefabricated coupling beam component (4). The soft steel damper (1) is provided with a first end plate (11) and a second end plate (12) arranged in parallel with the first end plate (11), the first end plate (11) is connected with the first prefabricated shear wall component or the second prefabricated shear wall component, and the second end plate (12) is connected with the prefabricated coupling beam component (4).

2. The pre-fabricated shear wall reinforcement structure of claim 1, wherein, The first end plate (11) is connected with the second end plate (12) through a web plate (13), and the web plate (13) is provided with an open hole (14) for energy dissipation enhancement.

3. The pre-fabricated shear wall reinforcement structure according to claim 2, wherein, The open hole (14) is hexagonal.

4. The pre-fabricated shear wall reinforcement structure according to claim 3, wherein, The side length of the hexagon is 500 mm.

5. The pre-fabricated shear wall reinforcement structure according to claim 1, wherein, The soft steel damper (1) is provided with two groups of soft steel dampers arranged at the connecting positions of the prefabricated coupling beam component (4) and the first prefabricated shear wall component or the second prefabricated shear wall component.

6. The pre-fabricated shear wall reinforcement structure according to any one of claims 1 to 5, wherein, The soft steel damper (1) is a soft steel I-shaped beam.

7. The pre-fabricated shear wall reinforcement structure according to claim 1, wherein, The soft steel damper (1) is filled with grouting material in the circumferential direction for enhancing the stability of the structure.

8. The prefabricated shear wall reinforcement structure according to claim 1, wherein, The prefabricated shear wall component (5) comprises a steel reinforcement frame and a first embedded steel plate (21). The steel reinforcement frame is filled with concrete in the circumferential direction for increasing the rigidity, strength and anti-collapse capacity of the structure. The first embedded steel plate (21) is anchored to the steel reinforcement frame through a steel bar (3) and is connected with the first end plate (11) of the soft steel damper (1).

9. The pre-fabricated shear wall reinforcement structure according to claim 1, wherein, The prefabricated coupling beam component (4) comprises a prefabricated coupling beam and a second embedded steel plate (22). The second embedded steel plate (22) is arranged on the side of the prefabricated coupling beam and is connected with the second end plate (12) of the soft steel damper (1).

10. The pre-fabricated shear wall reinforcement structure according to claim 9, wherein, The second embedded steel plate (22) is provided with two groups of second embedded steel plates arranged on the two sides of the prefabricated coupling beam.

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