张光明;贺玉龙;梅昌艮;杨立中;

• 1:西南交通大学地球科学与环境工程学院

摘要(Abstract)：

针对铁路环境振动,在考虑振动频率对振动传播衰减的影响下,将桥梁荷载视为点列式荷载,提出适合桥梁段环境振动的分频段预测方法。为考察该方法在铁路桥梁段环境振动预测中的适用性,分别采用该方法和现行的铁路环境振动常用预测方法对成灌快速铁路某桥梁段10⁴0 m范围内的地面环境振动进行预测,并将两种方法的预测结果与实测结果进行对比。结果表明,铁路桥梁段环境振动分频段预测方法在实际桥梁段环境振动预测中能够取得很好的预测效果,且相对于现行铁路环境振动的常用预测方法,其预测精度更高。

关键词(KeyWords)： 环境工程学;铁路;桥梁;环境振动;预测方法;频率段

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41272322);; 教育部新世纪优秀人才支持计划项目(NCET-11-0710);; 中央高校基本科研业务费专项(SWJTU12CX003)

作者(Authors): 张光明;贺玉龙;梅昌艮;杨立中;

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