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2020 | OriginalPaper | Chapter

Dynamic Behavior of a High-Speed Train Subjected to Earthquake and Emergency Braking

Authors: Liang Ling, Kaiyun Wang, Wanming Zhai

Published in: Advances in Dynamics of Vehicles on Roads and Tracks

Publisher: Springer International Publishing

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Abstract

The running safety of high-speed trains during earthquakes is an issue of great research interest. But the effects of emergency braking action on the dynamic behavior of high-speed trains under earthquakes is still unknown. This paper presents a study of the running safety of a high-speed train under the combined effects of a strong earthquake and the train emergency braking. A numerical model considering the earthquake impacts, the train braking action and the train-track interaction is formulated. The dynamic response and derailment behavior of a high-speed train subjected to a strong earthquake and an emergency braking is investigated. The effects of the seismic load, the braking force, and the wheel-rail interface condition are reported. The results show that an excessive braking torque could decrease the lateral stability and increase the derailment potential of the high-speed trains under large earthquake. This study is shown to enhance the understanding of the combined effects of earthquake and emergency braking on the running safety of high-speed trains.
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Metadata
Title
Dynamic Behavior of a High-Speed Train Subjected to Earthquake and Emergency Braking
Authors
Liang Ling
Kaiyun Wang
Wanming Zhai
Copyright Year
2020
DOI
https://doi.org/10.1007/978-3-030-38077-9_36

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