Seismic Response of the Joint Between Steel Truss Concrete Composite Shear Wall and Steel Coupling Beam

WANG Weiyong; YANG Qibo; LIANG Zhanshuo; OU Ying; JIANG Xianchun

doi:10.13204/j.gyjzG22040401

Volume 52 Issue 11

Nov. 2022

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WANG Weiyong, YANG Qibo, LIANG Zhanshuo, OU Ying, JIANG Xianchun. Seismic Response of the Joint Between Steel Truss Concrete Composite Shear Wall and Steel Coupling Beam[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(11): 39-48. doi: 10.13204/j.gyjzG22040401

Citation:

WANG Weiyong, YANG Qibo, LIANG Zhanshuo, OU Ying, JIANG Xianchun. Seismic Response of the Joint Between Steel Truss Concrete Composite Shear Wall and Steel Coupling Beam[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(11): 39-48. doi: 10.13204/j.gyjzG22040401

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Seismic Response of the Joint Between Steel Truss Concrete Composite Shear Wall and Steel Coupling Beam

doi: 10.13204/j.gyjzG22040401

1. School of Civil Engineering, Chongqing University, Chongqing 400045, China;
2. Department of Civil Engineering, Tsinghua University, Beijing 100084, China;
3. Chongqing Yifu Zhugong Science and Technology Co., Ltd., Chongqing 400084, China

Received Date: 2022-04-04

Abstract

Abstract

Steel reinforced concrete shear wall has the advantages of good seismic performance and easy assembly. The seismic performance of the joint between the wall and steel coupling beam seriously affects the safety of the structural system. In order to investigate the seismic performance of different types of joints, ABAQUS finite element software was used to establish a refined model to analyze the seismic performance of shear plastic deformation dominated joints and bending plastic deformation dominated joints. Through quasi-static loading, the failure mode of the joint was observed, and the parameters such as hysteretic performance, skeleton curve, stiffness degradation curve, equivalent viscous damping coefficient and displacement ductility coefficient of the joint were analyzed. The influence of axillary beam, side rib plate, diagonal brace and flange weakening on the seismic performance of the joint was investigated. The research showed that increasing the axil beam or side rib plate could improve the initial stiffness and bearing capacity of the joint, move the plastic hinge outward, reduce the deformation of the side column, and realize the seismic demand of "strong joint", but increasing the side rib plate would reduce the ductility of the joint. The weakening of the flange would reduce the initial stiffness and bearing capacity of the joint, but had little effect on the stiffness degradation. The addition of axillary beam, side rib and diagonal brace at the joint had little effect on the hysteretic curve and skeleton curve after flange weakening.
- composite shear wall,
- steel coupling beam,
- joint,
- seismic response,
- finite element analysis

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References(18)

References

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