Reliability Analysis of High Rockfill Dam Stability

Table 3

Statistical information of rockfill.

	Main rockfill			Subrockfill
	(kN/m^3)	(°)	(°)	(kN/m^3)	(°)	(°)
Mean value μ	21.0	51.2	8.2	20.8	48.8	9.4
Standard deviation σ	0.8	4.3	3.2	0.7	4.6	2.3
Variation coefficient δ (%)	3.8	8.4	39.0	3.3	9.4	24.5
Distribution type	Normal	Normal	Normal	Normal	Normal	Normal