Numerical Analysis of Impact Forces Between a Light Truck and High-Speed Railway Bridge Pier

摘要：

　　Authors For elevated bridges on high-speed railways, the probability of vehicle colliding with piers becomes higher.In this paper, a Pickup truck and railway pier system is established to analyze the impact force characteristics by using finite element software ANSYS LS_DYNA.Four different speeds, 60 km/h, 80 km/h, 100 km/h and 120 km/h, are simulated to extract the impact force-time histories and to analyze the force characteristics.The result shows that the intensity of the impact force reaches tens of MN, and the loading duration is less than 0.2 s.The impact en ergy mainly concentrates on the low frequency, and the higher the impact speed, the more compo nent of high-frequency.This method is feasible to simulate a vehicle impact with pier and to gain impact force time histories.

关键词： high-speed railway bridge pier vehicle impact numerical dynamic simulation

作者: K.P.Cui H.Xia S.M.Liu Z.M.Hou

作者单位: School of Civil Engineering, Beijing Jiaotong University, Beijing, China

会议类型: 国际会议

会议名称: 第六届国际环境振动学术研讨会(6th International Symposium on Environmental Vibration)(ISEV2013)

会议地点: 上海

会议语种:英文

页码: 168-172

在线出版日期: 2013-11-08（万方平台首次上网日期，不代表论文的发表时间）