从沥青混合料的细观结构角度开展研究，能够更丰富、更准确地反映抗滑构造及其变化规律，解决当前优质抗滑石料日趋匮乏情况下，如何设计出构造丰富、使用耐久的沥青路面表层材料的突出问题．文中设计了4 种断级配的骨架密实型沥青混合料GAC-13，研发了模拟行车荷载及环境的搓揉试验评价装置，利用高精度工业CT 对不同搓揉阶段试件进行扫描成像分析，提出采用抗滑构造影响区深度及衰减率等指标评价细观结构抗滑特性．结果显示，完全间断级配2．36mm 粒径，GAC-13 可以获得更理想的抗滑构造．

The research on the meso-structure of asphalt mixture helps to describe the anti-slide structure and itsevolution more comprehensively and accurately and solve the prominent problem of how to design durable and structure-rich asphalt-layer material in lack of high-quality anti-slide stone material.In this paper,four kinds of denseskeleton asphalt mixtures GAC-13 with non-continuous gradation are designed,and a test device for rub evaluationis developed to simulate the traffic load and environment.Then,by analyzing the specimens in different rub stageswith high-accuracy industry CT scan,a method,which adopts the affecting-zone depth and the decay rate to evaluatethe anti-slide properties of meso-structure of asphalt mixture,is put forward.The results show that GAC-13 with acomplete granular gap of 2.36mm helps to obtain more ideal anti-slide structure.