The modeling theory to railway noise is applied and made a noise reduction system for the first time in this paper. Through test and analysis, the sound barriers and train skirts with better performance were selected to form a comprehensive denoise system. The performance of T-type sound barriers works better than straight-type; with the comprehensive denoise system, the railway noise in the simulative boundary alongside railway line and acoustic environment functional area II decrease by 9.24 dB(A) and 8.40 dB(A), respectively. In terms of energy, sound energy decline to 11.8% and 14.4%, separately; after installing the comprehensive denoise system, the day-time noise of all the points in acoustic environment functional area II reach the limits; as to the night-time noise, 75% points reach the national standard limits.


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    Title :

    Study and Design Comprehensive Denoise System for Railway


    Contributors:
    Zhou, Ying (author) / Gu, Wen-Jing (author) / Huang, Dan-Wei (author) / Wang, Xi-Zhong (author) / Liu, Zi-Chi (author) / Chen, Ya-Fei (author)


    Publication date :

    2013


    Size :

    7 Seiten




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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