Hysteretic behavior of a new assemble joint under out-of-plane bending: Experimental and numerical studies

被引：6
|
作者：
Ma, Y. Y. [3 ]
Ma, H. H. [1 ,2 ]
Ren, S. [4 ]
Fan, F. [3 ]
机构：
[1] Sun Yat Sen Univ, Sch Civil Engn, Guangzhou, Peoples R China
[2] Southern Marine Sci & Engn Guangdong Lab, Zhuahai, Peoples R China
[3] Harbin Inst Technol, Key Lab Struct Dynam Behav & Control, Minist Educ, Harbin, Peoples R China
[4] China Inst Bldg Stand Design & Res, Guangzhou, Guangdong, Peoples R China
来源：
JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH | 2020年 / 167卷
基金：
国家重点研发计划;
关键词：
Bolt-column joint; Single-layer reticulated shell; Out of plane; Failure mode; Hysteretic behavior; SEMIRIGID JOINT; MOMENT INTERACTION;
D O I：
10.1016/j.jcsr.2020.105959
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The energy dissipation capacity of joints plays an important role in the seismic behavior of steel structures. In this study, the hysteretic curves, skeleton curves, elastic plastic deformation, and failure modes of bolt-column (BC) joints with different parameters were obtained and studied experimentally and numerically. The results indicated that the BC joints can dissipate energy stably after forming a plastic hinge. Two simplified models of the hysteretic curve of a BC joint were obtained based on whether the hysteretic curve had a slip stage. The finite element model (FEM) of the joint was verified by experimental results. Then, the hysteretic curves, carrying capacity, stiffness, damage features, hysteretic behavior, and energy dissipation behavior of the joints with different bolt pretension forces that were subject to different load combinations were investigated and discussed to provide a theoretical foundation for a secure and reliable seismic design method for BC joints. (C) 2020 Elsevier Ltd. All rights reserved.
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页数：14
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