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The Analysis of Beijing/Shanghai Railway Environmental Noise after Increasing Running Speed

Gu XiaoanResearch Institute of Industrial Hygiene of Railway Ministry(Beijing 100038)  
Based on theoretical analysis and prediction,analyses the affect of Beijing/Shanghai railway environmental noise after increasing running speed.The results show:The railway noise is around 70dB(A) at most areas;the noise level increases about 2~3 dB(A);the population affected by Railway noise increase around 10%.
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