Effects of Cement Treatment on Water Retention Behavior and Collapse Potential of Gypseous Soils: Experimental Investigation and Prediction Models

Table 8

Chosen values for the fitting curves parameters for pure G1 and G2 and the calculated results.

	Pure G1	Pure G2
Chosen ratio of slopes in semilogarithmic coordinate system, RsL	2.0 (1.2)	2.0 (1.3)
Chosen distance in semilogarithmic coordinate system, DsL	0.20 (0.2)	0.20 (0.5)
Curve-fitting parameters for the boundary drying curve	—	—
bi	37	36
ci	2	0.5
di	1.7	1.6
Calculated curve-fitting parameters for the boundary wetting curve	—	—
bw	4.112	4.151
cw	2	0.5
dw	0.85	0.8

Note: D_sLand R_sL through trial-and-error.