Experimental investigation of preload losses in high strength bolts under cyclic loading

被引：2
|
作者：
Fric, Nenad [1 ]
Veljkovic, Milan [2 ]
Miskovic, Zoran [1 ]
Budevac, Dragan [1 ]
机构：
[1] Univ Belgrade, Fac Civil Engn, Belgrade, Serbia
[2] Delft Univ Technol, Dept Engn Struct, Delft, Netherlands
来源：
GRADEVINAR | 2021年 / 73卷 / 05期
关键词：
high strength bolt; preload force; preload loss; slip factor; cyclic load; SLIP RESISTANCE; RELAXATION;
D O I：
10.14256/JCE.3157.2021
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Slip-resistant shear connections with preloaded bolts have traditionally been used in steel structures exposed to cyclic. Hence, shear load is transferred through friction surfaces rather than through contact between the bolt surface and the hole. The main influencing parameters determining slip resistance of the connection are the friction between contact surfaces and the bolt preload level. This paper presents an experimental study of preloaded bolted connections under cyclic load, the main objective being to investigate the influence of cyclic load on the losses of preload force in high strength bolts and lock bolts.
引用
收藏
页码：453 / 468
页数：16
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