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《Railway Occupational Safety Health & Environmental Protection》 2010-01
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Study of the Environmental Vibration Characteristic of High-speed Railroad

YIN Hao,LI Yao-zeng,GU Xiao-an,LI Yan-liang(Energy Saving & Environmental Protection & Occupational Safety and Health Research Institute,China Academy of Railway Sciences,Beijing 100081,China)  
On the foundation to the environmental vibration of High-speed Railroad through field measuring,analyzed the environmental vibration characteristic of high-speed railway.The result indicated that: Regarding the 350 km/h high-speed railroad,when CRH runs,the basic frequency of the environmental vibration mostly appears about 40Hz.Regarding the 250 km/h high-speed railroad,when CRH runs,the basic frequency of the environmental vibration mostly appears about 25Hz;when the freight train runs,the basic frequency of the environmental vibration mostly appears about 12.5Hz.In the near field,the distance is doubled,the environmental vibration level weakens 2~3dB.The environmental vibration increases while the vehicle speed enhances,and the result is consistent with the Japanese Shinkansen's result.
【CateGory Index】: U238;U211.3
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