4个铁路区段提速列车噪声影响调查  

Investigation of the Noise Influence From the Acceleretated Trains in Four Railway Divisions

作　　者：魏保祥[1] 顾社潮[1] 唐凤琴[1] 黄胜[1] 

机构地区：[1]北京铁路局中心卫生防疫站

出　　处：《环境与健康杂志》1999年第1期20-21,共2页Journal of Environment and Health

摘　　要：为探讨提速列车噪声对铁路两侧声环境及居民健康影响，依据声源、环境噪声等国家标准，对４个铁路运行区段进行了调查。结果表明：提速后调查区段声环境１ｈ等效声级提高２．１～３．６ｄＢ（Ａ），噪声污染范围扩大约１００ｍ。In order to explore the influence of noise from the accelerated trains on the sound environment along the railway the health of residents living along the railway,an investigation was carried out in four operation divisions of the railway based on the national standards for sound source and environmental noise.The results showed that after acceleration of trains,the levels of leq measured in one hour increased 2.1￣3.6 dB(A),the transmission radius of noise pollution increased about 100 meters,the prevalence rate of psychological symptoms and complains of trouble senses of the residents living along the railway were both higher than those of the control group

关 键 词：铁路 噪声环境 环境影响 调查 

分 类 号：X827[环境科学与工程—环境工程]