冰冻期沥青混凝土路面裂缝原因及防治措施

Causes and the Countermeasures of Asphalt Pavement Crack in frozen Period

冰冻期沥青混凝土路面裂缝是寒冷地区普遍存在的问题，通过调查分析冰冻期沥青混凝土路面裂缝可分为路面低温开裂、路基冻胀及路基反射开裂、路面基层反射开裂等。要想解决这个问题，必须从道路材料、道路结构和道路排水等方面入手。

It was a common problem that the asphalt concrete pavement cracked in frozen period. According to the analysis and the research, this paper analyzed that crack may be caused by the low temperature, subgrade frozen heave and subgrade reflection. Considering the road material, road structure and water diversion of highway, the countermeasures were put forward.