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在充分考虑碎石基层非线性 (弹塑性 )特性的基础上 ,采用非线性有限元法分析了吉林通化试验路 3种路面结构面层底面及半刚性基层底面弯拉应力的变化规律 ,并对通化试验路 2种具有碎石基层半刚性沥青混凝土路面结构的沥青混凝土面层的抗疲劳寿命进行了预估。
Based on the nonlinear (elasto-plastic) characteristics of the gravel base, the variation law of the bending and bending stresses of the bottom and semi-rigid base of the three pavement structures in Jilin Tonghua Experimental Road was analyzed by nonlinear finite element method The anti-fatigue life of two kinds of asphalt concrete pavement of Tonghua Test Road with crushed stone base semi-rigid asphalt pavement structure was predicted.