船撞条件下钢筋混凝土桁架式悬索桥承载能力评估

Load-bearing capacity evaluation of suspension bridge with stiffened reinforced concrete truss girder under ship collision condition

通过对船舶撞击过程的特点及影响范围进行分析,考虑构件损伤后建立桥梁有限元模型,并结合多种检测手段(外观检测、结构无损检测、静载试验等),对钢筋混凝土桁架式悬索桥进行承载能力检算研究。结果表明,尽管该桥梁局部构件受到撞击损坏,但该桥桥梁仍可满足设计荷载等级的承载能力要求。

In this paper, by analyzing the characteristics and influence scope of ship collision, Establishmenting the finite element model with considered Component damage bridge, and combined with various detection methods （appearance inspection, non-destructive detection, static load test, etc）, the load capacity of suspension bridge with stiffened reinforced concrete truss girder is researched. The results show that although the local components of the bridge are damaged by Collision, the bridge can still meet the requirement of carrying capacity of the design load grade.