Through the pulse hammer excitation test, the influence of rail vibration characteristics for fastener loose was researched, for five different buckle pressure conditions the vibration modes of rail were tested. Experimental analysis shows that: in less than 2000Hz frequency, rail vibration response is decreasing with the increase of tighten twist torque of fastener. In 2000-3000Hz frequency, rail vibration response is increasing with the increase of tighten twist torque of fastener. When fastener tighten torque less than 80N ∙ m, vibration of the rail head and base slope under the rail increase suddenly. So from the perspective of rail vibration, we suggested that the fastener tighten twist torque should be more than 80N ∙ m in construction and maintenance. With the increases of fastener tighten twist torque, the order frequency of rail increase.


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    Title :

    The Impact Research of Buckle Pressure on Rail Vibration


    Additional title:

    Lect. Notes Electrical Eng.


    Contributors:
    Ni, Yi-Qing (editor) / Ye, Xiao-Wei (editor) / Xu, Hao (author) / Xu, Jinhui (author) / Jing, Guo (author) / Dai, Qiqi (author) / Wang, Ping (author)


    Publication date :

    2012-01-01


    Size :

    7 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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