预压式钢-橡胶组合断面防撞装置性能研究

Study on Performance of Pre-pressed Steel-Rubber Combined Anti-collision Device

为了减小桥梁船撞事故带来的危害,以池州长江大桥的Z6~Z10墩为研究对象,设计预压式钢-橡胶组合断面防撞装置。根据工程实际及防撞设计原则,提出了4套钢-橡胶组合防撞装置方案,并通过分析比较其各自的受力机制与耗能机制,选出其中最合适的方案。最后,对方案1与方案2进行船撞数值模拟,并将计算结果与无防撞装置下的船撞模拟结果进行对比,得到防撞装置的防撞性能。

In order to reduce the hazards caused by ship collisions on bridges,this paper takes Z6-Z10 piers of the Chizhou Yangtze River Bridge as the research object and designs pre-pressed steel-rubber combined anti-collision devices.Based on the actual engineering background and anti-collision design principles,four solutions of steel-rubber combined anti-collision device are proposed in this paper.The most suitable one is selected by comparing the force and energy dissipation mechanisms of the four solutions.Finally,the numerical simulation of ship collision is carried out for solution I and solution II,and the results are compared with the simulation results of ship collision without anti-collision device to obtain the performance of the anti-collision devices.