Experimental Study on the Effect of Initial Water Content and Temperature Gradient on Soil Column Segregation Frost Heave

Table 1

The basic physical parameters of the Qinghai silty clay.

Maximum dry density (g·cm^-3)	Optimal water content (%)	Liquid limit (%)	Plastic limit (%)	Plasticity index	Specific gravity	Specific surface area (m^2·g^-1)
1.746	15.20	26.75	14.31	12.44	2.73	17.62