热带草原气候下公路沥青混凝土配合比设计

The Design of Highway Asphalt Concrete Mix Proportion Under the Tropical Grassland Climate

针对非洲热带草原气候的特点,论文通过规范要求进行配合比设计,设计了AC-25和AC-20型沥青混凝土配合比,解决热带草原气候下沥青混凝土路面存在的一系列难题,保证顺利施工,提高沥青混凝土的抗车辙性能的稳定性和渗水系数的性能。

According to the characteristics of tropical grassland climate in Africa, the mix proportion of AC-25 and AC-20 asphalt concrete is designed according to the requirements of the code in this paper. To solve a series of difficult problems of asphalt concrete pavement in savanna climate, to ensure the smooth construction and to improve the stability of rut resistance and the performance of seepage coefficient of asphalt concrete.