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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    Titel :

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


    Weitere Titelangaben:

    Lect.Notes Mechanical Engineering


    Beteiligte:
    Klomp, Matthijs (Herausgeber:in) / Bruzelius, Fredrik (Herausgeber:in) / Nielsen, Jens (Herausgeber:in) / Hillemyr, Angela (Herausgeber:in) / Ling, Liang (Autor:in) / Wang, Kaiyun (Autor:in) / Zhai, Wanming (Autor:in)

    Kongress:

    The IAVSD International Symposium on Dynamics of Vehicles on Roads and Tracks ; 2019 ; Gothenburg, Sweden August 12, 2019 - August 16, 2019



    Erscheinungsdatum :

    13.02.2020


    Format / Umfang :

    9 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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