Performance-based aseismic design method for diamond grid braced frame structure

被引：0

作者：

Fan C. ^{[1
,2
,3
]}

Bao X. ^{[1
]}

Hao J. ^{[1
]}

Zhang H. ^{[3
]}

Zhong W. ^{[1
]}

Zhang K. ^{[1
]}

机构：

[1] School of Civil Engineering, Xi'an University of Architecture and Technology, Xi'an

[2] Institute of Architecture, Xi'an University of Architecture and Technology, Xi'an

[3] Shandong Laigang Gaosu Green Construction Development Co., Ltd., Qingdao

来源：

Zhendong yu Chongji/Journal of Vibration and Shock | 2021年 / 40卷 / 23期

关键词：

Braced frame; Design method; Global failure model; Performance-based plastic design method; Target drift;

D O I：

10.13465/j.cnki.jvs.2021.23.019

中图分类号：

学科分类号：

摘要：

Diamond grid braced frame structure is a new type of anti-lateral force support structure. Under the condition of ensuring safety of side columns, it has larger stiffness, load-bearing capacity and ductility. Meanwhile, compared with the traditional support system, it greatly reduces thickness outside the support surface to be convenient for the combination of steel structure housing support structure and peripheral protection. Here, formulas for lateral stiffness and lateral load-bearing capacity of diamond grid supported frame structure were proposed. At the same time, according to the principle of energy conservation, a performance-based aseismic design method for diamond grid supported frame structure was proposed. Considering the adverse impact of support on frame beams and columns, yield members were designed with the plastic method through the proposed yield mechanism. The capacity design method was adopted to design non-yield members. A 12-story diamond grid braced frame structure was designed with the proposed method. The dynamic time history analysis was performed for this structure, and the results were compared with those of the traditional cross braced frame to verify the correctness of the proposed method. It was shown that the study can provide a reference for engineering design of diamond grid braced frame structure. © 2021, Editorial Office of Journal of Vibration and Shock. All right reserved.

引用

页码：143 / 151

页数：8

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