Dynamic response tests were developed on CRTS IIslab ballastless track subgrade of Beijing-Tianjin intercity high-speed railway. The relationship between vibration response and the speed, the vertical and horizontal distribution law of vibration response along lines, the effect of axle load on vibration response were researched. Test results are as follows: The vibration displacement of the extreme value caused by a single axle load is not obvious;Train axle load significantly affects the vibration response;Despite the vertical connection between two track slab, but the end of track slab vibration response is still significantly greater than the middle and the vertical multi-storey line structure vibration response decreases rapidly along the depth;Speed has no significant effect on the vibration displacement, but vibration acceleration and vibration velocity is sensitive to speed.


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    Titel :

    Test Analysis of Vibration Characteristics on CRTS II Slab Ballastless Track Subgrade of the Beijing-Tianjin Intercity High-Speed Railway


    Beteiligte:
    Chen, Hu (Autor:in) / Lin, Kun (Autor:in) / Fan, Sheng-Bo (Autor:in) / Chen, Jian (Autor:in)


    Erscheinungsdatum :

    2013


    Format / Umfang :

    4 Seiten




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch






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