Soil-Water Characteristic Curve of Residual Soil from a Flysch Rock Mass

Table 3

Best-fit parameters and SSR values for the four-parameter equations: the van Genuchten [57] and Fredlund and Xing [58] equations.

	Four-parameter equations
	van Genuchten [57]; free					Fredlund and Xing [58]
;	SSR ()					SSR ()
Bounding drying curve	0.00049	0.028	0.004	1.186	0.323	0.00039	177720.9	299.753	1.073	0.907
Bounding wetting curve	0.00021	0.011	0.005	0.973	0.348	0.00022	254164.3	284.117	0.859	1.053