Analysis of vibration characteristics on subgrade-site under vibrating load induced by high-speed train

LIU Xue-zhu; CHEN Guo-xing; CHEN Bin

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Analysis of vibration characteristics on subgrade-site under vibrating load induced by high-speed train

更新时间：2026-06-25

- Analysis of vibration characteristics on subgrade-site under vibrating load induced by high-speed train
- Vol. 28, Issue S1, (2007)
- 作者机构：
  
  南京工业大学岩土工程研究所,南京,210009
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU443
- Online First：28 March 2014，
  
  Published：2007
- 稿件说明：
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LIU Xue-zhu, CHEN Guo-xing, CHEN Bin. Analysis of vibration characteristics on subgrade-site under vibrating load induced by high-speed train[J]. 2007, 28(S1).
DOI：

LIU Xue-zhu, CHEN Guo-xing, CHEN Bin. Analysis of vibration characteristics on subgrade-site under vibrating load induced by high-speed train[J]. 2007, 28(S1). DOI：

摘要

基于子结构法思想，把轨枕-路基-场地体系从列车-轨道-路基-场地这一耦联的大系统中分离出来。以荷载输入等同于一种边界条件，采用高速列车以265 km/h和300 km/h的速度运行时现场实测竖向速度时程作为荷载输入尝试，以ABAQUS软件为计算平台，考虑土的动力非线性特性，研究了以这两种速度不同组合的双线和单线高速列车运行引起路基-场地体系动力反应，初步探讨了其规律。

Abstract

Based on the substructural analysis of soil-structural interaction

sleeper-subgrade-site is treated as a subsystem and separated from the coupled system of train-rail-subgrade-site

and the input of dynamic load is considered as a boundary condition. As a trial

the measured time history of the vertical velocity of the sleeper induced by high-speed train in-situ experiments is used as an input of dynamic load. By means of this method and ABAQUS software

the parametric studies of dynamic response of subgrade-site system induced by high-speed train are completed by making non-linear numerical analyses and considering train running condition on up-link and down-link under the different combination with train speed 265 km/h and 300 km/h. Some preliminary regularity is presented.

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