Effects of Contact Angle on the Hysteresis Effect of Soil-Water Characteristic Curves during Dry-Wet Cycles

Table 1

The basic physical properties of Hunan red clay.

Sample	Specific gravity of soil (GS)	Liquid limit, (%)	Plastic limit, (%)	Plasticity index (IP)	Natural water content, (%)
Hunan red clay	2.76	46.34	27.84	18.5	13.8