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Abstract:
正交异性钢桥面板承受着车辆动荷载的反复作用,容易造成疲劳累计损伤,导致钢桥面板出现疲劳开裂现象.为研究某城市桥梁钢桥面板的疲劳寿命,建立钢桥面板有限元模型,选取钢桥面板4种典型疲劳细节,根据实测所得到的城市车辆荷载频值谱,计算得到相应的应力历程和应力谱.基于线弹性断裂力学理论,对这4种疲劳细节进行疲劳寿命分析,结果表明:在桥梁设计基准期内钢桥面板不会发生疲劳破坏.
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钢结构
ISSN: 1007-9963
CN: 11-3899/TF
Year: 2015
Issue: 5
Volume: 30
Page: 33-35
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 4
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