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基于实测验证的沥青路面力学模型研究

, PP. 39-43

Keywords: 道路工程,路面力学模型,实测路面应变分析,沥青路面

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Abstract:

实测不同路面结构温度、应变数据,与不同路面力学模型、参数的计算结果对比,研究与路面实际受力更为相符的力学模型和材料力学参数。对不同路面结构的层间连续状态进行分析,并研究了路面力学指标计算结果的修正方案。结果表明基于动态模量的弹性层状体系更适于路面力学分析;力学模型中柔性路面、组合式基层沥青路面层间状态可假设为连续,半刚性基层与沥青面层间合适的摩擦系数为0.65~0.75;提出了力学理论计算指标向实测结果修正的方法,按此修正,不同路面结构的力学分析结果与实测结果的相关系数可达到0.9。

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