A semi-analytical/FEM model for predicting ground vibrations induced by high-speed train through continuous girder bridge

被引：37
|
作者：
Cao, Yanmei [1 ]
Xia, He [1 ]
Li, Zhenghui [1 ]
机构：
[1] Beijng Jiaotong Univ, Sch Civil Engn, Beijing 100044, Peoples R China
来源：
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY | 2012年 / 26卷 / 08期
基金：
中国国家自然科学基金;
关键词：
High-speed train; Continuous girder bridge; Ground vibration; Prediction method; DYNAMIC-ANALYSIS; RAILWAY; VIADUCT; FIELD;
D O I：
10.1007/s12206-012-0630-1
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper develops a method based on a semi-analytical/FEM model to predict the ground vibrations induced by high-speed train running through continuous girder bridge. The prediction method has two steps: the solution of reaction on top of pier and the solution of ground vibrations. The reaction on pier top is solved by the semi-analytical dynamic interaction model for train-track-continuous girder bridge system, taking the dynamic characteristics of train, track, and bridge into account. The solution of ground vibrations is accomplished by establishing the 3-dimensional pile foundation-soil finite element model and then applying the negative reaction force got from pier top to the pile foundation-soil model. The effectiveness of the presented model is verified by comparing with other existed results.
引用
收藏
页码：2485 / 2496
页数：12
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