AC-13C型沥青混合料级配设计

Research on Gradation Design of AC-13C Asphalt Mixture

为适应高等级公路沥青路面表面层的功能要求,对常用的AC-13型沥青混合料,需结合气候特点和交通特点进行级配优化。文中对7种AC-13级配形成的沥青混合料的高温稳定性、水稳定性等使用性能进行试验研究,提出适用于湖北地区高等级公路沥青路面的AC-13C型沥青混合料的设计级配,并通过试验路进行级配验证。

In order to meet the need of high-grade highway＇s surface functions,gradation of commonly used AC-13 asphalt mixture was optimized on the basis of the features of climate and traffic. This paper studied the use performance, high temperature stability, water stability, etc, of seven kinds of AC-13 bituminous mixture. And the choosing advice on design grading of AC-13C bituminous mixture which was applicablc to the asphalt pavement of high-grade highway in Hubei region was put forward. Furthermore, design gradation was tested by the test road.