An Experimental Study with Model Calibration for the Permanent Strain of Granite Residual Soil Subgrade under Drying-Wetting Cycles

Table 1

The physical parameters of soil.

Group	Increased fine particle content ( mm)/%	Plastic limit /%	Liquid limit /%	Optimal water content /%	Maximum dry density /g cm^-3
K0	0	23	47	20.3	1.65
K10	10	30	52	21.6	1.68
K20	20	28	44	22.0	1.67
K30	30	24	47	23.3	1.65