To meet the requirement of environmental vibration along the urban rail transit, vibration-attenuating track structures are widely used in special vibration-attenuating sections of metro railways. However, the vibration characteristics of different vibration-attenuating tracks are different due to the difference in supporting stiffness. In this study, a metro vehicle-track coupled dynamics model considering different types of vibration-attenuating tracks is applied to study the vibration characteristics of metro vehicles travelling on different vibration-attenuating track structures. The metro vehicle vibration characteristics and vibration transmission laws on different vibration-attenuating tracks are investigated through numerical simulations. The results show that the vibration characteristics are quite different for different vibration-attenuating track structures. The elastic-supporting-block track, the floating-slab track, and the ladder-type sleeper track have a good vertical vibration reduction effect in the frequency ranges of 0~10 Hz, 0~400 Hz, and 0~200 Hz, respectively. These track structures also have a good lateral vibration reduction effect in the frequency ranges of 40~70 Hz, 7~70 Hz, and 40~400 Hz, respectively.


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    Titel :

    Vibration Transmission Characteristics of Typical Vibration-Attenuating Track-Vehicle Coupled Systems


    Beteiligte:
    Zhang, Tao (Autor:in) / Jiang, Peibin (Autor:in) / Chai, Feifan (Autor:in) / Ling, Liang (Autor:in) / Wang, Kaiyun (Autor:in)

    Kongress:

    Second International Conference on Rail Transportation ; 2021 ; Chengdu, Sichuan Province, China


    Erschienen in:

    ICRT 2021 ; 227-236


    Erscheinungsdatum :

    08.02.2022




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch






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