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

页码：94 / 100

页数：7

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