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通过有限元中的可靠性分析工具,利用蒙特卡罗的拉丁超立方法抽样方法,将影响路面可靠性的因素视为输入随机变量,将路表弯沉、各层层底拉应力和极限状态函数作为输出变量,对典型沥青混凝土路面结构进行了可靠性分析。计算了路面结构的可靠度,对设计参数进行了敏感性分析,为有针对性地提高路面结构可靠度提供了决策依据。
Through the reliability analysis tools in finite element method and the Monte Carlo method of Latin hypercube sampling method, the factors that affect the reliability of pavement are regarded as input random variables, and the deflection of road surface, the tensile stress at the bottom of each layer and the limit state Function as an output variable, the reliability analysis of typical asphalt concrete pavement structure is carried out. The reliability of the pavement structure is calculated, the sensitivity of the design parameters is analyzed, and the decision-making basis is provided to improve the reliability of the pavement structure.