As large span cable-stayed bridges with ballastless track are pioneerly applied in Chinese high-speed railway, the dynamic performance of the train–track–cable stayed bridge system (TTCSBS) considering influence of environmental factors needs to be paid great attention. This work presents an investigation on the dynamic performance of the TTCSBS subjected to temperature-induced deformation. Firstly, based on multibody dynamics and finite element (FE) theory, an integrated coupled dynamic model of the TTCSBS is established. Then, the temperature-induced deformation of the cable-stayed bridge is obtained by solving the finite element model of the bridge considering the statistical characteristics of monitored temperatures of girder and pylons, and it is applied as the inputs to the TTCSBS for dynamic simulation analysis. On this basis, the coupled vibration features of the TTCSBS considering the track random irregularity and the deformations induced by temperature gradient are studied in detail. The results indicate that the temperature-induced deformation of the cable-stayed bridge would obviously decrease the riding comfort, while it influences the running safety and the dynamic responses of bridge slightly. With increase of the train running speed, the effect of the temperature-induced deformation on the ride comfort of train becomes more remarkable, meanwhile, the running safety indices and the dynamic responses of bridge increase gradually.


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    Title :

    Dynamic Performance of High-Speed Train Running on Large Span Cable-Stayed Bridge Subjected to Temperature-Induced Deformation


    Additional title:

    Lect.Notes Mechanical Engineering


    Contributors:
    Orlova, Anna (editor) / Cole, David (editor) / Li, Ruoyu (author) / Han, Zhaoling (author) / Zhu, Shengyang (author) / He, Qinglie (author) / Zhai, Wanming (author)

    Conference:

    The IAVSD International Symposium on Dynamics of Vehicles on Roads and Tracks ; 2021 August 17, 2021 - August 19, 2021



    Publication date :

    2022-08-06


    Size :

    9 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English





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