Welding residual stress in roots between deck plate and U-rib in orthotropic steel decks

被引：46

作者：

Kainuma, Shigenobu ^{[1
]}

Jeong, Young-Soo ^{[1
]}

Yang, Muye ^{[1
]}

Inokuchi, Susumu ^{[2
]}

机构：

[1] Kyushu Univ, Dept Civil Engn, Fukuoka 8190395, Japan

[2] Yokogawa Bridge Holdings Corp, Tech Res Lab, Chiba 2610002, Japan

来源：

MEASUREMENT | 2016年 / 92卷

关键词：

Welding residual stress; Weld root; Orthotropic steel deck; Deck plate; U-rib;

D O I：

10.1016/j.measurement.2016.06.040

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Fatigue cracks have recently been observed at weld roots between the deck plate and U-rib in orthotropic steel decks. Some cracks initiated from the weld roots and then propagated through the deck plate. The welding residual stress at the root appears to have a considerable influence on crack initiation and propagation. However, the stress has not yet been efficiently clarified in previous studies. In this study, the residual stress of model specimens with or without weld penetration and root gap were measured using the cutting method and magnetostriction method. In addition, thermo-elastic-plastic finite element analyses were carried out on parametric models of actual welded joints. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：475 / 482

页数：8

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