Analysis on Physical and Mechanical Properties of Red Mud Materials and Stockpile Stability after Dilatation

Table 6

The related parameters used in the three modules of SEEP/W, SIGMA/W, and SLOPE/W.

Name	SEEP/W module					SIGMA/W module			SLOPE/W module
	α (kPa^−1)	n	θs	θr	ksat (cm/s)	E (MPa)	μ	γ (kN·m^−3)	c (kPa)	φ (°)	γ (kN·m^−3)
Bayer red mud from drying process	0.015	1.80	0.45	0.11	4.0E − 06	28.51	0.334	18.5	58.01	35.80	18.5
Bayer red mud from wetting process	—	—	—	—	4.0E − 06	30.16	0.365	17.5	38.49	34.12	17.5
Sintering red mud	0.015	2.20	0.62	0.26	8.0E − 06	15.78	0.345	15.8	356.42	33.58	15.8
Initial dam	—	—	—	—	8.0E − 07	32.10	0.321	20.5	630.10	35.50	20.5