Experimental behavior and failure modes of hybrid beam-to-column connections with RC wing-walls in industrial construction

被引：11
|
作者：
Wang, Bo [1 ]
Guan, Shaoyu [2 ,3 ]
Zhang, Yi [4 ]
Bai, Yongtao [2 ]
机构：
[1] Changan Univ, Sch Civil Engn, Xian 710061, Shaanxi, Peoples R China
[2] Ruhr Univ Bochum, Dept Civil & Environm Engn, Inst Steel Lightweight & Composite Struct, D-44801 Bochum, Germany
[3] Xi An Jiao Tong Univ, Dept Civil Engn, Xian 710054, Shaanxi, Peoples R China
[4] Tsinghua Univ, Dept Civil Engn, Beijing 100084, Peoples R China
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2019年 / 218卷
基金：
中国国家自然科学基金;
关键词：
Steel and composite structures; Special connections; Hybrid system; Wing walls; Seismic behavior; Shear failure; SHEAR BEHAVIOR;
D O I：
10.1016/j.conbuildmat.2019.05.154
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Hybrid steel-concrete walled frames are commonly applied as a seismic resistant system in industrial constructions. This paper experimentally investigates the ultimate strength, deformation capacity and failure modes of a new irregular connection with reinforced concrete wing-walls. Ten interior and exterior connection specimens were designed with and without wing-walls, and the hysteresis behavior was tested subjected to cyclic load with constant axial force. Test results indicated that the main failure modes of type of connection were dominated by the shear capacity of the panel zone with irregular dimensions and reinforcements. Reinforced concrete wing-walls enable to enhance the ductility and safety margin of the hybrid beam-to-column connections. Finally, an improved design method was recommended for estimating the shear capacity of steel reinforced concrete beam-to-column connections with split-level dimension. (C) 2019 Elsevier Ltd. All rights reserved.
引用
收藏
页码：628 / 643
页数：16
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