With the increase of the volume of traffic and construction of elevated urban expressways, the social press to decrease noise nuisance is growing rapidly. It is a main measure to control traffic noise by installing noise barriers. Based on the investigation of characteristics of current barrier design methods and the road noise prediction model, an optimal design method of noise barrier used in reducing noise emission from traffic flow is presented in this paper. In the designs of road noise barrier and elevated urban expressway noise barrier, the availability of the new method in reducing the noise and improving the economic solution is proved through the comparison between the current methods and the optimal design method. The main reasons for the practical noise reduction less than theoretic value is illuminated, the effects of design parameters on cost for noise barrier and noise reduction characteristic is discussed, and its results are instructive to the selection of the design parameters and shape of barrier.


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    Title :

    Optimization design of road noise barrier


    Contributors:
    Xintan Ma, (author) / Shaopu Yang, (author) / Buqing Xu, (author)


    Publication date :

    2005-01-01


    Size :

    1148654 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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