The Effects of Salt-Lake Salt Solution on the Strength of Expansive Soil

Table 3

Basic physical indexes of expansive soil samples under different concentrations of SLS solution.

Index	Plastic limit (%)	Liquid limit (%)	Plasticity index	Free swell (%)	No loading swelling ratio (24 h)
Concentration
0 mol/L	25.2	51.6	26.4	65.8	1.48
0.1 mol/L	25.0	50.9	25.9	62.0	1.45
0.5 mol/L	23.0	43.8	20.8	56.2	0.93
1 mol/L	22.3	40.2	17.9	53.4	0.72