某超高车辆撞落人行天桥事故的过程仿真与分析  

Simulation and Analysis of a Collision Accident Between Over-high Truck and Pedestrian Bridge

作　　者：何水涛[1] 张炎圣[1] 卢啸[1] 陆新征[1] 

机构地区：[1]清华大学土木工程系清华大学结构工程与振动教育部重点实验室,北京100084

出　　处：《交通信息与安全》2009年第6期89-92,共4页Journal of Transport Information and Safety

基　　金：国家自然科学基金项目(批准号:50808106)资助

摘　　要：文中对一起超高车辆撞翻人行天桥事故进行了数值仿真,分析其原因,提出了相应的防护措施,并对采取防护措施后的桥梁进行撞击过程仿真以验证措施的实效性。A high precision simulation of a collision between over-high truck and pedestrian bridge is presented in this paper.The reason for the girder falling of the impacted pedestrian bridge is discussed based on the simulation results.The response of the bridge is analyzed and corresponding prevention methods are proposed.

关 键 词：车桥撞击 数值模拟 桥梁 撞击防护 

分 类 号：U441[建筑科学—桥梁与隧道工程]