Against the idea to use lower pass ratio through 4.75mm sieve and replace P.O32.5 by P.O42.5 in a proposed mixture design of cement stabilized crushed stone in a expressway, this paper did some research.

• 针对某高速公路提出在水泥稳定碎石基层配合比设计时；将混合料中4.；75mm筛孔通过率取下限；将P