摘要
叙述了铁路铆接钢桥钉孔应力集中的实测方法，给出了两座桥梁现场实测的数据结果；提出了计算钉孔应力集中系数的近似公式和在剩余寿命评估中计人钉孔影响的方法，并对该影响作了分析和探讨。
The stress concentration at edges of riveted hole is one of the key elethents in assessement ofremaining life of old riveted railway bridges.The test method and the test results oftwo bridges.are sup-plied and the stress concentration effects on the life riveted railway bridges are discussed .
出处
《大连铁道学院学报》
1995年第3期23-28,共6页
Journal of Dalian Railway Institute
基金
铁道部科技基金
关键词
铁路桥
钢桥
应力集中
疲劳裂纹
寿命
钉孔
railway bridges,steel bridges,stress concentration
fatigue crackie
life
