Experimental study on hysteretic behavior of shear type buckling restrained shear panel dampers

被引：0
|
作者：
Ma N. [1 ,2 ]
Su L. [1 ,2 ]
机构：
[1] School of Civil Engineering, Dalian University of Technology, Dalian
[2] The State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian
来源：
Ma, Ning (maning@dlut.edu.cn) | 2018年 / Science Press卷 / 39期
关键词：
Buckling restrained shear panel damper; Hysteretic behavior; Quasi-static test; Shear type;
D O I：
10.14006/j.jzjgxb.2018.11.017
中图分类号：
学科分类号：
摘要：
Shear steel panel dampers (SPDs) have been widely used in seismic design of buildings. However, the existing SPDs possess unsatisfied low cycle fatigue property, which can be attributed to the out-of-plane bucking deformation of the energy-dissipating web. Therefore, a shear type buckling restrained steel panel damper (SBRSPD) is proposed. The SBRSPD adds restraining plates and fixing plates that are parallel to the energy dissipating web on the basis of traditional dampers. The restraining plates restrain the buckling of the web, while the fixing plates provide support for the restraining plates. In order to investigate the hysteresis property of SBRSPD, three specimens were designed and tested under quasi-static loading. The experimental results indicate that the out-of-plane buckling deformation of the energy dissipating web can be restrained effectively compared, and it has more strong energy dissipation capacity compared to traditional dampers. The reasonable shape of the restraining plates has a large influence on the SBRSPD. The finite element analysis method was adopted to analyze the influence of width-to-thickness ratio on hysteresis performance of SBRSPD. The results indicate when the width-to-thickness ratio is too large or too small, bearing capacity and energy dissipation capacity decrease and the equivalent viscous damping ratios increase. © 2018, Editorial Office of Journal of Building Structures. All right reserved.
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页码：148 / 157
页数：9
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