桥梁结构受货船撞击后的影响分析

Influence analysis of bridge structure after being hit by cargo ship

运营期间的桥梁被船舶撞击后会造成一定的影响,基于湖北境内某桥梁被货船撞击的案例,采用理论分析结合数值模拟方法,对比不同规范要求,确定了货船撞击桥梁的最不利撞击力,并分别从垂直向和顺桥向模拟货船撞击桥墩。其结果说明此次撞桥事件对桥梁整体结构影响不大,并针对此类船舶撞击桥梁的事故从设计、施工以及管理方面提出防撞措施。

The impact of a bridge during operation by a ship will have a certain impact.Based on a case of a bridge in Hubei being hit by a cargo ship,this paper uses theoretical analysis combined with numerical simulation methods to compare the requirements of different codes to determine the most unfavorable impact force of the cargo ship hitting the bridge,simulated cargo ship hitting piers from vertical and down bridge.The results show that this bridge collision incident has little impact on the overall structure of the bridge,and the anti-collision measures are proposed from the aspects of design,construction and management for the accident of this kind of ship collision with the bridge.