semirigid root asphalt pavement 半刚性基层沥青路面
The reflective cracking is one of the major damages of the asphalt overlay on old roads and semirigid pavement, which badly influence the performance of the pavement.
反射裂缝是旧水泥砼路面上沥青罩面和半刚性路面的常见病害，对道路的危害极大。
The design of the mixture ratio of the cement stabilized sand and gravel is one of the critical links to ensure the whole quality of the asphalt pavement on semirigid base course.
水泥稳定砂砾混合料的配合比是保证半刚性基层沥青路面整体质量的关键环节。
Based on the cracking mechanism and FEM, the crackings on the grade crushed stone pavement and the semirigid base asphalt pavement are compared and analyzed.
基于断裂力学，采用有限元程序，对两种级配碎石夹层沥青路面结构和常规半刚性基层沥青路面结构的断裂进行了对比分析。
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