摘要
借助ANSYS和UM分析软件,分别建立完整的桥梁和列车三维空间模型。分析了3种车辆在不同车速条件下通过连盐铁路反曲线桥梁时的车桥耦合振动情况。通过对桥梁的纵、横向位移,加速度以及车辆加速度,Sperling舒适性指标,脱轨系数,减载率等动力性指标计算结果的分析可以得到:在CRH2和准高速列车车速小于160 km/h、C70货车车速小于80 km/h的条件下,该反曲线铁路桥梁具有较大的纵、横向刚度,满足列车运行的安全性及舒适性要求。
With the help of ANSYS and UM analysis software, have built a complete three-dimensional model of bridge and vehicle, analysed the vehicle-bridge coupling vibration about three kinds of vehicles through the anti-curve bridge on lian-yan railway with different speed. According to computa- tional analysis the displacement and acceleration of the bridge, acceleration,Spering index,derailment coefficient and reduction rate of vehicle, the results show that,when the CRH2 and Quasi-high speed train speed is less than 160 km/h ,the C70 truck speed is less than 80 km/h ,the anti-curve bridge has enough vertical and horizontal stiffness for the train running safety and the passenger riding comfort.
出处
《重庆理工大学学报（自然科学）》
CAS
2013年第6期17-22,共6页
Journal of Chongqing University of Technology：Natural Science
基金
中铁建总公司科技发展计划资助项目
关键词
车桥耦合
舒适性
反曲线桥梁
vehicle-bridge vibration
comfort quality
anti-curve bridge
