高寒地区高速公路ATB-25下面层目标配合比设计

Target mix design on highway ATB-25 lower surface layer in alpine area

沥青稳定碎石——一种柔性基层结构,它具有延缓基层裂缝向中、上面层反射及提高路面抗车辙能力的作用。文章以珲春-乌兰浩特国家高速公路高寒地区某段为依托,根据当地的气候特点,大胆采用沥青碎石混合料ATB-25作为下面层,并进行目标配合比设计的应用研究,旨在为沥青碎石混合料下面层的使用和推广提供可借鉴的宝贵经验。

Asphalt stabilized macadam is a kind of flexible base structure, it can slow crack reflection at the grass - roots level to the medium and top layer and enhance the pavement rutting resistance. Based on Hunchun - Ulanhot national highway in alpine area, according to local climate characteristics, adopt the asphalt macadam mixture ATB -25 as the lower surface layer, and carry on research and application of the target mix design, to provide valuable lessons for the application and promotion of asphalt macadam mixture lower surface layer.