The Research on Environment Vibration due to Subway with Rail Pads of Frequency-Dependent Stiffness

Fan Yang; Kai Wei; Yan Chen Song

doi:10.4028/www.scientific.net/AMM.580-583.1153

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 580-583The Research on Environment Vibration due to...

The Research on Environment Vibration due to Subway with Rail Pads of Frequency-Dependent Stiffness

Abstract:

Based on Vehicle-Track Coupling Dynamics and the spectrum analysis technique of the Finite Element Method, a frequency-domain method of environment vibration due to subway is put forward and frequency-range distribution of ground acceleration is discussed. Compared with the measured data, the result shows that after considering frequency-dependent stiffness of rail pad, the error is less than 0.3dB in the frequency range of 0-30 Hz, but it is up to 11.8 dB in the frequency range of 50-100 Hz. And the frequency-domain distribution of ground vibration changes too. Thus, the frequency-dependent stiffness of rail pads is not negligible in the prediction of environment vibration generated by subway.

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Periodical:

Applied Mechanics and Materials (Volumes 580-583)

Pages:

1153-1160

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.580-583.1153

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Online since:

July 2014

Authors:

Fan Yang, Kai Wei, Yan Chen Song

Keywords:

Environment Vibration, Frequency-Dependent Stiffness, Frequency-Domain Method, Rail Pad, Subway Tunnel

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