Sydney's Epping to Chatswood Rail Link (ECRL) is a landmark rail tunnel project (12.5 km long) which opened to the public in 2009. During commissioning, in-car passenger noise levels within older style non-air-conditioned trains were found to exceed 100dBA at some locations. Several noise mitigation strategies were optimised and implemented within a short timeframe to reduce in-car noise levels by an average of 10dBA. These included a new rail grinding technique, installation of additional sound absorptive panels on the walls and between the rails, and rail dampers (in a tunnel environment). This paper presents a summary of the works undertaken to mitigate in-car noise, calculation methods and achieved noise reductions.


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    Title :

    In-Car Noise Control for Epping to Chatswood Rail Link


    Contributors:
    Weber, C.M. (author) / Haling, J. (author) / Brown, G.P. (author) / Hanson, D. (author)


    Publication date :

    2012


    Size :

    8 Seiten





    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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