Dynamic Behavior Comparisons of Non-ballasted Track Infrastructure of High-speed Railway under Three Different Loads

被引：0
|
作者：
Song, Xiaolin [1 ]
Zhai, Wanming [1 ]
机构：
[1] Southwest Jiaotong Univ, State Key Lab Tract Power, Train & Track Res Inst, Chengdu 610031, Peoples R China
来源：
ADVANCES IN ENVIRONMENTAL VIBRATION | 2011年
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
high-speed railway; slab track; displacement; infrastructure; irregularities; numerical analysis; GROUND VIBRATIONS; TRAINS;
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A three-dimension dynamic finite element model of track-subgrade for a typical non-ballasted track infrastructure of high-speed railway was presented in detail. Using the model, the dynamic behaviour of the high-speed railway infrastructure (including the track and the subgrade) under three kinds of loads, the wheel/rail force,the multi-axle load and the single-axle load have been calculated. The comparisons of the dynamic responses were investigated in detail. The results indicate that the wheel/rail force, the multi-axle load and the single-axle load have little influence on the displacement distributions,but have remarkable effect on the stress distributions.
引用
收藏
页码：640 / 646
页数：7
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