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Shock and Vibration Volume 2019 ,2019-07-21
Dynamic Responses of Vehicle-CRTS III Slab Track System and Vehicle Running Safety Subjected to Uniform Seismic Excitation
Research Article
Ping Lou 1 , 2 Kailun Gong 1 , 2 , 3 Chen Zhao 1 , 2 Qingyuan Xu 1 Robert K. Luo 1 , 4
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DOI:10.1155/2019/5308209
Received 2019-04-17, accepted for publication 2019-07-02, Published 2019-07-02
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摘要

The dynamic model for the vehicle-CRTS III slab track system is established subjected to uniform seismic excitation, and the calculation program with MATLAB is compiled and verified. The influences of track parameters, seismic intensity, and running speed of the vehicle on the dynamic responses of the system and the vehicle running safety are analyzed. The results show that (1) the track parameters have certain influence on the dynamic responses of the system, and the seismic intensity and the running speed of the vehicle have important influence on the vehicle running safety; (2) the derailment coefficient is highly sensitive to seismic intensity, and the wheel load reduction rate is also highly sensitive to the running speed of the vehicle.

授权许可

Copyright © 2019 Ping Lou et al. 2019
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

通讯作者

Qingyuan Xu.School of Civil Engineering, Central South University, Changsha, China, csu.edu.cn.xuqingyuan1972@163.com

推荐引用方式

Ping Lou,Kailun Gong,Chen Zhao,Qingyuan Xu,Robert K. Luo. Dynamic Responses of Vehicle-CRTS III Slab Track System and Vehicle Running Safety Subjected to Uniform Seismic Excitation. Shock and Vibration ,Vol.2019(2019)

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