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目前国内外道路工程界对用于防止旧水泥混凝土路面沥青加铺层反射裂缝结构和材料的研究仍处于探索与试验阶段。本文采用M TS模拟水泥混凝土板沥青加铺层弯拉型和剪切型反射裂缝扩展过程,评价不同防裂材料的阻裂效果,为优选沥青加铺层结构提供依据。
At present, the domestic and foreign road engineering circles are still exploring and experimenting on the structures and materials used to prevent the reflective cracking of asphalt overlay on the old cement concrete pavement. In this paper, M TS simulation of asphalt overlay bending and shear reflection crack propagation process, evaluation of different anti-cracking material blocking effect, provide the basis for optimizing the structure of asphalt overlay.