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350km/h高速列车不同线路形式处噪声测试分析 被引量:4

Noise Test and Analysis for 350km/h High-Speed Train Running on Different Types of Railroad Lines
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摘要 为了考察350 km/h高速列车运行状态下不同线路形式处的噪声水平,对已开通运行的京津城际铁路某车站北京端处路基、桥梁、路桥过渡段列车运行时辐射噪声进行测试与分析,得出京津城际铁路不同线路形式处的噪声强度。结果表明,在路基、桥梁、路桥过渡段三种线路形式中,列车通过桥梁段所产生的噪声最小,通过路桥过渡段产生的噪声最大,其研究结果对今后高速铁路降噪设计具有一定的参考价值。 In order to investigate the noise level for 350 km/h high-speed train running on different types of railroad lines,the noise intensity is tested and analyzed on three sections of Beijing-Tianjin Inter-City high-speed railroad line.The three sections are subgrade section,bridge section and bridge-subgrade transition section.The result indicates that the level of the noise radiated by train when running on the bridge section is the lowest and the level of the noise radiated by train when running on the bridge-subgrade transition section is the highest.The result may have some significance for noise reduction design of high-speed railroad lines.
出处 《噪声与振动控制》 CSCD 北大核心 2010年第6期119-122,共4页 Noise and Vibration Control
基金 铁道部科技研究开发计划课题(2008Z001-B) 中央高校基本科研业务费专项资金资助(SWJ-TU09ZT26)
关键词 声学 高速列车 路基 桥梁 路桥过渡段 acoustics high-speed train subgrade bridge bridge-subgrade transition section
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