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author:

赵秋 (赵秋.) [1] | 陈长俊 (陈长俊.) [2]

Indexed by:

PKU

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,出现钢桥面板的疲劳开裂现象。为研究某城市桥梁钢桥面板的疲劳寿命,建立钢桥面板三维有限元模型,选取钢桥面板4种典型的疲劳细节,确定最不利加载方式,并根据实测得到的城市车辆荷载频值谱,计算相应的应力历程和应力谱,从而评估各个疲劳细节的疲劳寿命。结果表明:在城市车辆荷载频值谱作用下,某城市钢桥4种疲劳细节的最大应力幅值均小于常幅疲劳极限,即钢桥面板具有无限寿命。

Keyword:

城市车辆荷载 正交异性钢桥面板 疲劳寿命分析 疲劳强度

Community:

  • [ 1 ] 福州大学土木工程学院

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Source :

钢结构

Year: 2015

Issue: 04

Volume: 30

Page: 1-4

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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