焊接钢桥结构细节疲劳裂纹原因及对策分析  

Analysis on causes and countermeasures of fatigue cracks of weld steel structure details

作　　者：李杰[1] 任宇扬 

机构地区：[1]同济大学土木工程学院,上海200092

出　　处：《山西建筑》2014年第3期173-174,共2页Shanxi Architecture

摘　　要：从分析现代焊接钢桥疲劳性能的影响因素入手,分析了钢桥的疲劳设计,并探究了焊接钢桥疲劳设计的敏感部位,并依据所得探究结果提出防止疲劳问题的解决对策,为现代钢桥的安全性能提供保障。From the analysis on the influence factors of modern weld steel bridge fatigue properties, this paper analyzed the fatigue design of steel bridge, and explored the sensitive parts of weld steel bridge fatigue design, and based on the research results proposed the solve countermeasures to prevent the fatigue problem, provided safeguard for the safety of modern steel bridge.

关 键 词：钢桥 疲劳裂纹 焊接疲劳 

分 类 号：U448.34[建筑科学—桥梁与隧道工程]