Seismic behavior of wall-type spiral stirrups-confined RC column to steel beam joint

被引：4
|
作者：
Cao, Jiahao [1 ]
Hao, Jiping [1 ,2 ]
Xue, Qiang [1 ,3 ,4 ]
Fan, Chunlei [1 ,3 ,4 ]
Sun, Xiaoling [1 ,3 ,4 ]
机构：
[1] Xian Univ Architecture & Technol, Sch Civil Engn, Xian 710055, Peoples R China
[2] Minist Educ XAUAT, Key Lab Struct Engn & Earthquake Resistance, Xian 710055, Peoples R China
[3] Xian Univ Arch & Tech, Prefabricated Steel Struct Res Inst Co Ltd, Xian 710055, Peoples R China
[4] Prefabricated Construct Inst Dev Planning & Res We, Xian 710055, Peoples R China
来源：
JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH | 2023年 / 210卷
基金：
中国国家自然科学基金;
关键词：
Wall-type reinforced concrete column; High-strength spiral stirrups; Seismic performance; Numerical simulation; Shear capacity; REINFORCED-CONCRETE; MOMENT CONNECTIONS; STRENGTH; MODEL;
D O I：
10.1016/j.jcsr.2023.108051
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This study proposes a new interior diaphragm joint between wall-type reinforced concrete column with highstrength spiral stirrups and steel beams, and the quasi-static test was conducted to investigate the seismic performance of the new joint under cyclic lateral force. Finite element model (FEM) simulation was carried out using the software ABAQUS, and the correctness of the FEM was verified by the results of the test. Additionally, the effect of parameters including the strength of concrete, thickness of the beam flange, interior diaphragm, joint flange, and joint web on the seismic performances of the joint was analyzed. Based on the parametric analysis and existing codes, a shear capacity formula was determined with the consideration of the shear capacity of the joint web and flange, and concrete. The comparison between the calculated and FEM results indicates that this formula could be regarded as an accurate calculation method for the shear-bearing capacity of different joint types in engineering design.
引用
收藏
页数：16
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