Vehicle/track impact due to passing the transition between a floating slab and ballasted track

被引：10
|
作者：
Li, Z. G. [1 ]
Wu, T. X. [1 ]
机构：
[1] Shanghai Jiao Tong Univ, State Key Lab Mech Syst & Vibrat, Shanghai 200240, Peoples R China
来源：
NOISE AND VIBRATION MITIGATION FOR RAIL TRANSPORTATION SYSTEMS | 2008年 / 99卷
关键词：
D O I：
10.1007/978-3-540-74893-9_13
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
When a train runs over the transition between a floating slab track (FST) and ballasted track, wheel/rail impact forces arise because of the stiffness difference between the two kinds of track. A time-domain model is developed for the vehicle/track interaction and the characteristics of the impact are analyzed by numerical simulation using the model. Calculation results show that the wheel/rail impact load at the transition is moderate and its peak-to-peak value is only about 24 percent of the static load at a vehicle speed of 60 m/s.
引用
收藏
页码：94 / 100
页数：7
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