Six characteristic frequencies that occur on metro systems have been investigated, with the objective of determining whether there is likely to be a coincidence of any of these that might lead to adverse behaviour of the vehicle–track system. Data and measurements drawn from a number of metro systems have been considered – all of these were at locations with direct fixation track. From the characteristic frequencies investigated, it has been found that only the fastener-passing frequency and the P2 loaded track resonance are likely to coincide. The parameters for which this is most likely to occur are discussed.


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    Title :

    Survey of Metro Excitation Frequencies and Coincidence of Different Modes


    Contributors:


    Publication date :

    2008-01-01


    Size :

    8 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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