A Study on the Durability of Dispersive Soils Improved by Alum in Western Jilin Province of China

Table 1

Basic properties of soil samples.

Particle composition (%)			Liquid limit (%)	Plastic limit (%)	Plasticity index	Percussive parameters		pH	Soluble salt content (%)
>0.075 mm	0.005~0.075 mm	<0.005 mm				Maximum dry density (g/cm^3)	Optimum moisture content (%)		Na^+	Ca^2+, Mg^2+, K^+	SO4^2-, CO3^2-
5.3	44.77	49.92	19.64	11.52	8.12	1.69	17.2	7.58	0.0116	0.0101	0.0449