Numerical Analysis of Unsaturated Soil Slopes under Rainfall Infiltration Based on the Modified Glasgow Coupled Model

Table 1

Soil parameters.

Soil type	Void ratio	Weight (kN/m^3)	Permeability coefficient (m/s)
Clay	0.68	19.6	4.5 × 10^−9	1500	0.04	2.1	0.2	0.02	0.35	0.6	0.65	360	160
Gravel sand	0.59	19.1	3.5 × 10^−4	1000	0.01	1.6	0.12	0.02	0.3	0.6	0.65	360	160
Clay	0.76	19.2	5.0 × 10^−9	1200	0.04	1.9	0.18	0.02	0.35	0.6	0.65	360	160
Silty clay	0.80	19.0	7.2 × 10^−7	1000	0.02	1.7	0.11	0.02	0.32	0.6	0.65	360	160