Dynamic response analysis of cutting rock slope under high speed train vibration load

被引：0
|
作者：
Jin, Liang-Xing [1 ]
Li, Jian [1 ]
机构：
[1] School of Civil and Architectural Engineering, Central South University, Changsha 410075, China
来源：
Zhendong Gongcheng Xuebao/Journal of Vibration Engineering | 2008年 / 21卷 / 04期
关键词：
Railroad cars - Railroads - Railroad transportation - Rocks - Speed - Vibration analysis - Finite element method;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In order to solve the dynamic response problem of rock slope induced by the vibration load of high speed train. Based on cutting rock slope engineering case of Qin-Shen Special Railway, the dynamic finite element model of track-subgrade-cutting slope system is established. By using dynamic analysis program, dynamic response of cutting rock slope caused by train vibration loads under different train-speed is calculated, and the distribution of dynamic response under vibration load of high speed train is obtained. The results indicate that dynamic response is happened within 5 m around train vibration source, and the maximum is happened at the slope bottom. With the increase train-speed off, the dynamic response amplification at the slope bottom is maximum and the amplification of vibration acceleration in all dynamic responses is maximum.
引用
收藏
页码：354 / 358
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