Summary 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)


    Erscheinungsdatum :

    2012-01-01


    Format / Umfang :

    9 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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