Laboratory Experiment and Numerical Analysis on the Precursory Hydraulic Process of Rainfall-Induced Slope Failure

Table 2

Unsaturated soil parameters of Jumunjin standard sand with a relative density of 75%.

Condition		van Genuchten [19] SWCC fitting parameters					Saturated hydraulic conductivity
		α (kPa^−1)	n	m	θs	θr	ks (cm/s)
Dr = 75%	Drying	0.393	8.553	0.883	0.41	0.03	1.887 × 10^−3
	Wetting	0.593	5.561	0.820	0.39	0.03	1.482 × 10^−3