Fatigue behavior of typical details of orthotropic steel bridges in multiaxial stress states using traction structural stress

被引：35
|
作者：
Yang, Haibo [1 ]
Wang, Ping [2 ]
Qian, Hongliang [1 ]
机构：
[1] Harbin Inst Technol, Sch Civil Engn, Harbin 150001, Peoples R China
[2] Harbin Inst Technol WeiHai, Sch Ocean Engn, Weihai 264200, Peoples R China
来源：
INTERNATIONAL JOURNAL OF FATIGUE | 2020年 / 141卷
基金：
新加坡国家研究基金会;
关键词：
Orthotropic steel bridge; Combination of traction structural stresses; Multiaxial stress states; Arc-shaped cutout region; Crack initiation; Failure mode; WELDED-JOINTS; VARIABLE-AMPLITUDE; LIFE ASSESSMENT; DAMAGE MODEL; DECK; CONNECTIONS; PREDICTION;
D O I：
10.1016/j.ijfatigue.2020.105862
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this study, the fatigue property of arc-shaped cutout region in orthotropic steel bridge crossbeam in multiaxial stress states is investigated. The analytical equation of traction structural stress method considering normal structural stress and shear structural stress is applied for analyzing multiaxial fatigue of crack initiation. It is found that the arc-shaped cutout in OSB crossbeam is in multiaxial stress states and 9th spot in arc-shaped cutout region under specified loading conditions is evaluated as crack initiation position.
引用
收藏
页数：13
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