Based on the lab orthogonal tests, using self-manufactured constant head permeameter, the effect of gravel content, void ratio and particle shape on the coefficient of permeability of soil-rock-mixture was studied.

• 本文采用室内正交实验，利用自制的常水头渗透仪，研究了砾石含量、孔隙比和颗粒形状3个因素在不同水平下对土石混合体渗透系数的影响。