Theoretical and Case Studies of Interval Nonprobabilistic Reliability for Tailing Dam Stability

Table 1

The physical and mechanical parameters of the tailing dam.

Earth species	Natural weightiness degree/kN/m^3	Shear strength						Permeability coefficient/cm·s^−1
		Internal friction angle/°			Cohesion/kPa
		Tailing medium sand	15.02	24	29.3	26.65	27		43	35	1.49 × 10^−3
Tailing silty sand	19.17	25.5	27.3	26.4	27	67.2	47.1	4.31 × 10^−4
Tailing fine sand	19.86	26	30	28	18.2	47.1	32.65	1.45 × 10^−4
Tailing mild sand	19.9	26	29	27.5	22.5	25.7	24.1	7.82 × 10^−4
Tailing mild clay	19.9	21.6	28.8	25.2	28	35.2	31.6	8.12 × 10^−4
Tailing mud	18.5			27.4			23	2.67 × 10^−6