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Measurement and modelling of noise from the Arsta Bridge in Stockholm

Measurement and modelling of noise from the Arsta Bridge in Stockholm
Measurement and modelling of noise from the Arsta Bridge in Stockholm
This paper describes the measurement and modelling of noise on a steel railway bridge over the Arstaviken bay in Stockholm, Sweden. The track on the bridge was refurbished with the objective of reducing noise emission from the bridge. A mathematical model of the steel bridge structure was developed. This includes rolling noise from the train and track, and noise resulting from vibration of the structure. The model was used to identify the noise spectra from different sources within the system and these were compared with direct measurements. The model was then used to predict the effect of changing the stiffness of the rail fastening system on the steel bridge, first on the structural noise spectrum and then on the total noise level. The predictions showed a reduction in the low frequency rumbling component of noise. Finally, baseplates of the stiffness modelled were installed on the bridge, and the measurements were repeated. The installation of the new baseplates was successful in controlling low frequency noise from the bridge. The reduction in the low frequency component of noise was approximately in agreement with that predicted.
978-3-540-74892-2
172-178
Springer
Wang, A.
0af8502d-4759-408d-8e75-196cf09f688f
Bewes, O.G.
ad641452-b531-4044-bf6a-b1aa2e0e919d
Cox, S.J.
feea307f-f0e1-4063-869b-a3d0d947bfe2
Jones, C.J.C.
695ac86c-2915-420c-ac72-3a86f98d3301
Schulte-Werning, Burkhard
Thompson, D.J.
Gautier, Pierre-Etienne
Hanson, Carl
Hemsworth, Brian
Nelson, James
Maeda, Tatsuo
de Vos, Paul
Wang, A.
0af8502d-4759-408d-8e75-196cf09f688f
Bewes, O.G.
ad641452-b531-4044-bf6a-b1aa2e0e919d
Cox, S.J.
feea307f-f0e1-4063-869b-a3d0d947bfe2
Jones, C.J.C.
695ac86c-2915-420c-ac72-3a86f98d3301
Schulte-Werning, Burkhard
Thompson, D.J.
Gautier, Pierre-Etienne
Hanson, Carl
Hemsworth, Brian
Nelson, James
Maeda, Tatsuo
de Vos, Paul

Wang, A., Bewes, O.G., Cox, S.J. and Jones, C.J.C. (2008) Measurement and modelling of noise from the Arsta Bridge in Stockholm. Schulte-Werning, Burkhard, Thompson, D.J., Gautier, Pierre-Etienne, Hanson, Carl, Hemsworth, Brian, Nelson, James, Maeda, Tatsuo and de Vos, Paul (eds.) In Noise and Vibration Mitigation for Rail Transportation Systems: Proceedings of the 9th International Workshop on Railway Noise, Munich Germany 4-8 September 2007. vol. 99, Springer. pp. 172-178 . (doi:10.1007/978-3-540-74893-9_24).

Record type: Conference or Workshop Item (Paper)

Abstract

This paper describes the measurement and modelling of noise on a steel railway bridge over the Arstaviken bay in Stockholm, Sweden. The track on the bridge was refurbished with the objective of reducing noise emission from the bridge. A mathematical model of the steel bridge structure was developed. This includes rolling noise from the train and track, and noise resulting from vibration of the structure. The model was used to identify the noise spectra from different sources within the system and these were compared with direct measurements. The model was then used to predict the effect of changing the stiffness of the rail fastening system on the steel bridge, first on the structural noise spectrum and then on the total noise level. The predictions showed a reduction in the low frequency rumbling component of noise. Finally, baseplates of the stiffness modelled were installed on the bridge, and the measurements were repeated. The installation of the new baseplates was successful in controlling low frequency noise from the bridge. The reduction in the low frequency component of noise was approximately in agreement with that predicted.

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Published date: 8 April 2008

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Local EPrints ID: 148697
URI: http://eprints.soton.ac.uk/id/eprint/148697
ISBN: 978-3-540-74892-2
PURE UUID: 33827f18-231a-43dd-b56e-4f165f2c4d6b

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Date deposited: 28 Apr 2010 13:48
Last modified: 14 Mar 2024 01:03

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Contributors

Author: A. Wang
Author: O.G. Bewes
Author: S.J. Cox
Author: C.J.C. Jones
Editor: Burkhard Schulte-Werning
Editor: D.J. Thompson
Editor: Pierre-Etienne Gautier
Editor: Carl Hanson
Editor: Brian Hemsworth
Editor: James Nelson
Editor: Tatsuo Maeda
Editor: Paul de Vos

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