【摘要】 我国是地震频发的国家,唐山、汶川、玉树等地震给人民的生命财产造成了严重的损失。由地震引起的城市桥梁结构破坏除了造成直接损失外,还会切断救援生命线,致使救援队伍和救援物资难以及时到达灾区,严重影响了灾后的救援工作。该文就现代城市桥梁的抗震性能评估方法和桥梁抗震设计的安全对策进行探讨,希望能够给以后的桥梁建设工作提供一些借鉴。更多还原

【Abstract】 China is a country where the earthquakes happen frequently.The earthquakes of Tangshan,Wenchuan,Yushu have caused the serious loss to the life and property of the people.The destruction of urban bridge structure caused by the earthquakes leads to the direct loss,and also cuts off the rescue lifeline,which results in the rescue teams and the rescue goods hard to arrive in the disaster areas in time and seriously affects the rescue work after disaster.The article further discusses the seismic performance evaluation method of modern urban bridge and the security countermeasures of bridge seismic design,which can be referred for the construction of the similar projects.更多还原