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利用障壁降低噪声这一措施在国际上已开始应用,这一成功的经验表明:无论是机车还是车辆在运行时所产生的噪声,利用障壁予以防护具有推广价值,本文评价了铁路干线自然障壁(土堤)对火车噪声的隔声效果。旨在控制铁路噪声污染,提供经济而有效的隔声设施,降低火车噪声对沿线居民区的污染水平,确保居民身心健康。
The successful application of this measure to reduce the noise caused by the barriers shows that the noise barrier of the locomotive or the vehicle is worth popularizing. The paper evaluates the natural barrier of the railway trunk Earth embankment) on the train noise noise effect. The purpose is to control railway noise pollution and provide economical and effective sound insulation facilities to reduce the pollution level of train noise to residential areas along the line so as to ensure residents’ physical and mental health.