Study on shear performance and calculation method for self-pierce riveted joints in galvanized steel sheet

被引：18
作者：
Xie, Zhiqiang [1 ]
Zhang, Ailin [1 ]
Yan, Weiming [2 ]
Zhang, Yanxia [1 ]
Mu, Tingting [3 ]
Yu, Cheng [4 ]
机构：
[1] Beijing Univ Civil Engn & Architecture, Sch Civil & Transportat Engn, Beijing, Peoples R China
[2] Beijing Univ Technol, Coll Architecture & Civil Engn, Beijing, Peoples R China
[3] Cent Res Inst Bldg & Construct Co Ltd, MCC, Beijing, Peoples R China
[4] Univ North Texas, Dept Engn Technol, Denton, TX 76203 USA
来源：
THIN-WALLED STRUCTURES | 2021年 / 161卷
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Galvanized steel sheet; SPR joints; Shear performance; Failure mechanism; Calculation method; ALUMINUM-ALLOY; STRENGTH; BEHAVIOR; CONNECTIONS; FATIGUE; DESIGN;
D O I：
10.1016/j.tws.2021.107490
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Self-pierce riveting (SPR) with high connection efficiency and automatic level is suitable for joining galvanized steel sheets in cold-formed steel structures. 51 SPR joints in galvanized steel sheet were tested to study their shear performance. The effects of sheet thickness, sheet thickness ratio, and rivet length on the failure mechanism and shear performance were investigated. And an empirical equation about the relationship of sheet thickness and rivet length was developed. This paper also analyzed the applicability for the existing calculation method of shear strength of SPR joints and the design methods of shear strength of self-drilling screw joints in some specifications, and then proposed a new calculation method of shear strength. The results showed that sheet thickness and thickness ratios were two critical factors in the shear performance and failure mechanism of SPR joints. There was an optimal rivet length for each sheet thickness, which could be calculated directly by the developed empirical equation. Compared with the existing methods, the calculation method of shear strength for galvanized steel sheet SPR joints proposed in this paper considered overall failure modes, and had superior calculation accuracy and favorable stability.
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页数：14
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