Effects of Nonaqueous Phase Liquids Pollution on the Permeability and Microstructure of In-Filed and Laboratory Soaked Contaminated Clay Soils

Table 3

Soil layer distribution and basic physical and mechanical indexes.

Soil layer	color	soil depth H		moisture content	void ratio e	permeability coefficient k ∗ 10^–7
		/m	g/cm^3	/%	/	/cm/s
Layer (2)	Grayish yellow	2.4∼2.7	1.832	26.7	0.726	2.32
Layer (3)	Grayish	4.0∼4.3	1.822	44.8	1.223	5.24
Layer (4)	Grayish	12.5∼12.8	1.785	48.0	1.315	0.83
Layer (5)	Grayish	21.5∼21.8	1.765	48.8	1.342	1.73