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.
Survey of Metro Excitation Frequencies and Coincidence of Different Modes
2008-01-01
8 pages
Article/Chapter (Book)
Electronic Resource
English
Survey of Metro Excitation Frequencies and Coincidence of Different Modes
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