Recently, there have been increasing requirements to control the rolling noise generated by the wheels and rails, but the conventional counter measures such as noise barriers have a big disadvantage in that their installations are very labor-intensive. Therefore, the authors have developed a new type of material, called rail noise isolating material (RNIM), which consists of two laminated layers, the inner one a foamed ethylene-propylene rubber and the outer one vibration-damped steel. An impact test executed in a laboratory and some noise measurements executed on commercial lines have verified that RNIM is effective in reducing rolling noise.


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    Development of Rail Noise Isolating Material

    Hansaka, M. | Online Contents | 2007


    Development of Rail Noise Isolating Material

    Hansaka, M. / Mamada, S. / Sato, K. | British Library Online Contents | 2007


    Development of rail noise isolating material

    Hansaka, Masanori / Mamada, Shogo / Sato, Kiyoshi | IuD Bahn | 2007


    Development of Rail Noise Isolating Material (RNIM)

    Hansaka, Masanori / Mamada, Shogo / Sato, Daigo et al. | Springer Verlag | 2012


    Development of Rail Noise Isolating Material (RNIM)

    Hansaka, M. / Mamada, S. / Sato, D. et al. | British Library Conference Proceedings | 2012