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本文将可靠性理论、概率论和数理统计的基本原理运用到柔性路面设计中,考虑各设计参数的随机性和变异性,提出了柔性路面弯沉设计中六个基本设计参数:E_0、E_1、E_2、h、H和N_e的概率模型;应用蒙特卡洛法对柔性路面弯沉设计的可靠性进行分析,并讨论了柔性路面弯沉设计可靠性的影响因素;最后,以现行《公路柔性路面设计规范》(JTJ014,1987)为基础,提出柔性路面可靠性设计的基本方法。
In this paper, the basic principles of reliability theory, probability theory and mathematical statistics are applied to the design of flexible pavement. Considering the randomness and variability of each design parameter, six basic design parameters of flexible pavement deflection design are proposed: E_0, E_1, E_2, h, H and N_e. The Monte Carlo method is used to analyze the reliability of flexible road surface deflection design. The factors that affect the reliability of flexible road surface deflection design are discussed.Finally, Design Code "(JTJ014, 1987) as the basis, put forward the basic method of flexible pavement reliability design.