Summary Two effective railway noise reduction technologies using a high-performance damping material have been developed. One is a rail noise reduction system for reducing rolling noise using a combination of damping material and sound isolation and absorption technologies. The other one is an application of a high-performance damping material on the surface of web within a railway bridge structure as a means for reducing structure noise. An actual track-based field test for demonstrating these technologies was performed using a track of Austrian Federal Railways. As a result, the rail noise reduction system was found effective for reducing noise by 2 to 4 dB in a normal section (ballast track) and for a bridge section the combined use of the rail noise reduction system and damping material reduced noise by 2 to 4 dB of which the rail noise reduction system provided 0.5 to 3.5 dB, and the damping material on the bridge web contributed 0 to 1.5 dB.


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    Title :

    Railway Noise Reduction Technology Using a Damping Material


    Contributors:


    Publication date :

    2012-01-01


    Size :

    8 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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