Effect of Drying-Wetting Cycles on Engineering Properties of Expansive Soils Modified by Industrial Wastes

Table 1

Basic physical properties of the tested soils.

ρ (g/cm^−3)	Gs	e	Atterberg limits (%)		Plasticity index	δef (%)	ρdmax (g/cm^3)	ωop (%)	Grain-size distribution (%)
			Liquid limit	Plastic limit					Sand	Silt	Clay
1.93	2.74	0.74	46.40	22.10	24.30	53.00	1.84	16.60	4	68	28

ρ, density; Gs, specific gravity; e, void ratio; δ_ef, free swelling ratio; ρ_dmax, maximum dry density; ω_op, optimal water content.