3405 レール頭頂面凹凸の改善による鉄桁騒音低減効果の検討
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概要
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This paper describes noise reduction effect at a steel bridge by smoothing rail surface. It is generally known that a steel bridge emits loud structure bone noise. We investigated reduction of the structure bone noise by smoothing rail surface. As the result of the investigation, it was confirmed that the vibration value of the steel bridge was lowered when rail surface was smoothed by rail grinding. This result shows that the structure bone noise from steel bridge was reduced. In addition, it was proved that the noise at a point of 12.5 meters distance from the track was reduced by 3dB. Therefore it was verified that smoothing rail surface was an effective method for noise reduction at the steel bridge.
- 一般社団法人日本機械学会の論文
- 2003-12-08
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