Fatigue cracks initiated from various connection details are common problems in weldedsteelbridge structures.
各种连接细节的疲劳性能是焊接钢桥研究的热点问题之一。
2
According to fatigue damage accumulation theory, test load of verified fatigue test on rail across beam and welded connections with integral joint of combined steel truss bridge was gotten.
依据疲劳损伤累积理论，确定了公轨两用钢桁桥轨道横梁与整体节点连接头验证性疲劳试验的试验荷载。
3
The steel-structure bridge deck is three-span, and each one is welded separately with bolt connection.