摘要
简要介绍了当前高速公路和其他高等级公路沥青面层矿料级配的发展方向,即是粗集料断级配;较详细介绍了笔者于2005年发明的粗集料断级配多碎石沥青混凝土SAC系列设计和检验方法,最后,简要介绍了多碎石沥青混凝土的六大优点。
This paper introduces the developing trend of mineral aggregate gradation of asphalt surface on expressways and other highways, that is, the Course Aggregate Gap Gradation （CAGG） . It presents in detail the author＇s latest invention in the year 2005 about the design and test of the mineral aggregate gradation of the CAGG SAC series. Finally, six advantages of SAC are put forward.
出处
《铁道建筑技术》
2007年第4期1-8,共8页
Railway Construction Technology
关键词
粗集料断级配
设计方法
不同岩石粗集料
检验方法
course aggregate gap gradation
design method
course aggregate of different rock variety
test method
