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轮胎与水泥混凝土路面摩擦接触状况数值模拟

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Keywords: 道路工程,水泥混凝土路面,附着系数,路表构造,荷载,胎压,车速

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Abstract:

针对水泥混凝土路面抗滑性能缺乏定量分析和合理评价方法的问题,采用有限元分析方法,对轮胎与水泥混凝土路面摩擦接触状况进行了数值模拟,分析了荷载、路表构造、胎压和行车速度等因素对轮胎与路面附着系数的影响。结果表明荷载、刻槽宽度和槽间距均对路面附着系数影响显著,而刻槽深度几乎对路面附着系数没有影响;轮胎的充气压力越低,轮胎与路面之间的附着系数越大;车速越快,附着系数越小,并由此回归出路面附着系数与充气压力、荷载、行车速度以及路面构造参数之间的关系式。

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