The permeability coefficients for two\|grade and three\|grade aggregate RCC of indoor experiment and from water pressure test in situ are statistically analyzed.

• 本文对江垭大坝二级配、三级配碾压混凝土的室内试验和压水试验渗透系数值进行了统计分析,并作出了各自的积累概率曲线。