Failure analysis of high-strength bolts in steel truss bridges

被引：13
|
作者：
Zhou, Man [1 ,2 ]
Yang, Dingyi [3 ]
Hassanein, Mostafa Fahmi [4 ]
Zhang, Jiandong [1 ,5 ]
An, Lin [2 ]
机构：
[1] Southeast Univ, Coll Civil Engn, Nanjing, Jiangsu, Peoples R China
[2] Kyoto Univ, Dept Civil Earth Resources Engn, Kyoto, Japan
[3] Yangzhou Univ, Coll Civil Sci & Engn, Yangzhou, Jiangsu, Peoples R China
[4] Tanta Univ, Fac Engn, Tanta, Egypt
[5] Jiangsu Transportat Inst, Nanjing, Jiangsu, Peoples R China
来源：
PROCEEDINGS OF THE INSTITUTION OF CIVIL ENGINEERS-CIVIL ENGINEERING | 2017年 / 170卷 / 04期
基金：
美国国家科学基金会;
关键词：
bridges; failure; steel structures; CRACKING;
D O I：
10.1680/jcien.16.00037
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Recent high-profile failures of high- strength bolts - including the fatal Vivekananda Flyover collapse in Kolkata in 2016 - serve to highlight the ongoing risk of failure of such bolts. Based on investigations into continual high-strength bolt failures on steel truss bridges in China, this paper discusses and summarises the typical reasons for failure and what can be done to prevent it. Bolt quality defects, over-tightening during assembly, fatigue loads and environmental corrosion are identified as the main causes. The characteristics of bolt failure damage are highlighted and preventative measures to help reduce the risk of failure are proposed.
引用
收藏
页码：175 / 179
页数：5
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