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基于平整度的沥青路面剩余寿命预估方法

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Keywords: 道路工程,沥青路面,剩余寿命,预估方法,平整度

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Abstract:

根据SayersMW理论和路面平整度实测结果,建立了模拟路面不平度的正弦波路面模型;基于运动车辆与不平度路面的相互耦合作用,利用复模态理论和Matlab、VC++编程语言,对路面不平度引起的车辆动荷载进行了分析和求解;考虑荷载和环境的综合作用,结合某高速公路路面不平度检测结果,通过修正壳牌永久变形理论,研究了路面平整度衰变规律;以此为基础,构建了某高速公路沥青路面平整度的预测模型。结果表明,应用该模型能够较为准确地预测沥青混凝土路面的剩余使用寿命,可为路面管理的科学决策提供依据。

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