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Noise Reduction of Steel Bridges with Non Ballast Tracks

Venghaus, H. / Balmer, P. / Muncke, M. / Poisson, F.

Steel bridges without ballast are very often sources of annoying railway noise. While the insertion of a trough filled with ballast will lead to a noise reduction of about 6 dB(A), it causes an increase of the static mass of the bridge construction of about 30%, which then requires additional measures of reinforcement. In this paper 4 different systems of noise mitigation are presented, which are based on decoupling and damping effects. A noise reduction of 4.5 dB(A) to 10 dB(A) was achieved with an additional mass of less than 15% of the weight of the bridge and therefore no reinforcement was needed.

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Noise Reduction of Steel Bridges with Non Ballast Tracks

Venghaus, H. / Balmer, P. / Muncke, M. / Poisson, F.

Steel bridges without ballast are very often sources of annoying railway noise. While the insertion of a trough filled with ballast will lead to a noise reduction of about 6 dB(A), it causes an increase of the static mass of the bridge construction of about 30%, which then requires additional measures of reinforcement. In this paper 4 different systems of noise mitigation are presented, which are based on decoupling and damping effects. A noise reduction of 4.5 dB(A) to 10 dB(A) was achieved with an additional mass of less than 15% of the weight of the bridge and therefore no reinforcement was needed.

Noise Reduction of Steel Bridges with Non Ballast Tracks

Venghaus, H. / Balmer, P. / Muncke, M. / Poisson, F.

Steel bridges without ballast are very often sources of annoying railway noise. While the insertion of a trough filled with ballast will lead to a noise reduction of about 6 dB(A), it causes an increase of the static mass of the bridge construction of about 30%, which then requires additional measures of reinforcement. In this paper 4 different systems of noise mitigation are presented, which are based on decoupling and damping effects. A noise reduction of 4.5 dB(A) to 10 dB(A) was achieved with an additional mass of less than 15% of the weight of the bridge and therefore no reinforcement was needed.

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Titel:

Noise Reduction of Steel Bridges with Non Ballast Tracks

Beteiligte:

Venghaus, H. (Autor:in) / Balmer, P. (Autor:in) / Muncke, M. (Autor:in) / Poisson, F. (Autor:in)

Erschienen in:

Noise and Vibration Mitigation for Rail Transportation Systems, IWRN, International Workshop on Railway Noise, 10 ; 339-347

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

Erscheinungsdatum:

2012

Format / Umfang:

9 Seiten

ISBN:

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

ISSN:

DOI:

https://doi.org/10.1007/978-4-431-53927-8_40

Medientyp:

Aufsatz (Konferenz)

Format:

Print

Sprache:

Englisch

Schlagwörter:

Stahlbrücke , Brückenbau , Eisenbahn , Zugverkehr , Lärmminderung

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