Impact of Isothermal Layering on the Stability of Saline Soil Subgrade in Cold Regions

Table 3

Saline soil salt content.

Soil sample	Content of selected salts (weight %)							Total salt content (%)
	CO3^2-	HCO3^-	Cl^-	SO4^2-	Ca^2+	Mg^2+	Total
HC-1	0.03	0.13	17.93	0.48	0.60	0.98	20.14	36.1
HC-2	0.00	0.03	14.73	0.24	0.60	1.34	16.95	25.4
CS-1	0.00	0.01	3.37	1.49	0.70	0.24	5.81	11.9
CS-2	0.00	0.16	0.53	0.72	0.30	0.24	1.96	2.6