Numerical analysis and test of dynamic responses of train-bridge system in urban rail transit

被引：0

作者：

Wang S.-Q. ^{[1
]}

Cao M.-S. ^{[2
]}

Li Y.-J. ^{[3
]}

Guo W.-W. ^{[2
]}

机构：

[1] School of Science, Beijing University of Civil Engineering and Architecture, Beijing

[2] School of Civil Engineering and Architecture, Beijing Jiaotong University, Beijing

[3] Beijing Mass Transit Railway Operation Corporation Limited, Beijing

来源：

| 1600年 / Nanjing University of Aeronautics an Astronautics卷 / 34期

关键词：

Bridge; Running stability; Safety; Train; Vibration responses;

D O I：

10.16385/j.cnki.issn.1004-4523.2021.04.016

中图分类号：

学科分类号：

摘要：

In order to verify the reliability of the monitoring data collected by the bridge system of Beijing Mass Transit Railway Operation Corporation and improve the structure safety supervision level of the capital, a three span continuous box girder bridge from Huixin-Xijie-Beikou-Station to Datun-East-Road-Station in Metro Line 5 is taken as an example, while the dynamic action between a running train and bridge is taken into account, both a field test and numerical calculation are adopted to verify each other, time domain and frequency domain are analyzed meanwhile. The reliability of the written program and the test data are both verified by the vertical and lateral deflection and acceleration responses of the bridge. The frequency domain analysis of the vibration responses of the bridge is carried out by the Fourier transform, and the main frequencies contributing to the vibration of the bridge are verified. The offload factor, derailment factor, lateral force and Sperling index of the train at different speeds are calculated, and the running safety and stability of the train are evaluated. © 2021, Editorial Board of Journal of Vibration Engineering. All right reserved.

引用

页码：790 / 798

页数：8

共 18 条

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