Slab Track Vibration and Wayside Noise in a High-Speed Rail Tunnel

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Slab Track Vibration and Wayside Noise in a High-Speed Rail Tunnel

Slab Track Vibration and Wayside Noise in a High-Speed Rail Tunnel

Wang, A. / Xi, Y. / Wang, S. / Tao, S. / Sun, J.

This paper describes the track vibration measurements in a tunnel on Hefei-Wuhan Passenger Dedicated Line (PDL) slab track under normal traffic. The track frequency response functions were also measured to validate the track dynamic parameters. Comparison of the dynamic characteristics, the track vibrations and wayside noise, of a slab track with traditional ballasted track were made using available data. Measurements have been made on two different tracks: slab track with resilient baseplates in a tunnel, and ballasted track with concrete sleepers on open ground. Measurements of track frequency response functions indicate that the dynamic stiffness of the rail fastening system is about 45kN/mm for the baseplate on the slab track and 100kN/mm for the rail pad on the ballasted track. These figures agree well with the design and laboratory tests.

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Title :

Slab Track Vibration and Wayside Noise in a High-Speed Rail Tunnel

Contributors:

Wang, A. (author) / Xi, Y. (author) / Wang, S. (author) / Tao, S. (author) / Sun, J. (author)

Published in:

Noise and Vibration Mitigation for Rail Transportation Systems, IWRN, International Workshop on Railway Noise, 10 ; 81-88

Notes on Numerical Fluid Mechanics and Multidisciplinary Design (NNFM) ; 118

Publication date :

2012

Size :

8 Seiten

ISBN :

978-4-431-53927-8 , 978-4-431-53926-1

ISSN :

DOI :

https://doi.org/10.1007/978-4-431-53927-8_10

Type of media :

Conference paper

Type of material :

Print

Language :

English

Keywords :

dynamische Charakteristik , Vibrationsmessung , Eisenbahnschiene , Gleisanlage , Tunnel , Schwingungsmessung

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