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《中国工程科学》 >> 2017年 第19卷 第6期 doi: 10.15302/J-SSCAE-2017.06.012

长寿命路面疲劳寿命预测的频域分析方法

郑州大学水利与环境学院,郑州 450001

资助项目 :中国工程院咨询项目“交通基础设施重大结构安全保障战略研究”(2015-XZ-28) 收稿日期: 2017-11-18 修回日期: 2017-11-30 发布日期: 2018-01-31 09:57:40.000

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摘要

笔者分别从沥青路面和水泥混凝土路面两个方面分析了路面疲劳寿命预测的相关方法。重点对疲劳寿命预测的频域分析方法进行了较为详细的分析,结合车辆–道路耦合振动系统模型,对路面不平整引起的车辆与道路之间的随机振动进行了分析,指出车辆–道路耦合振动的随机功率谱密度是进行路面疲劳寿命预测的一种手段和方法,并提出了相应的预测步骤,旨在为长寿命路面的设计和性能评价提供参考。

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