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基于路面摩擦因数的冬季典型路面状态识别模型

, PP. 25-30

Keywords: 道路工程,摩擦因数,路面状态识别模型,线性回归

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Abstract:

?为了能够有效利用现有公路养护和管理车辆,提出了基于路面摩擦因数的冬季典型路面状态监测方法。通过使用横向力摩擦因数测试仪采集连续路面摩擦因数,挖掘冬季路面摩擦因数与路面状态之间的深度对应关系,确定模型的主要计算参数;基于四分位动态差分法和线性回归法构建了路面摩擦因数与冬季典型路面状态的关系模型,并利用情形分析关联表法对该模型识别路面状态的准确性进行了验证。研究结果表明:所提出的基于路面摩擦因数的冬季典型路面状态识别的整体准确性能够达到75%以上,识别精度满足业务需求,可以实现对全路线乃至整个路网的冬季典型路面状态连续、快速、精确的监测和识别。

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