Experimental Study on Mechanical Behaviors of Loess Based on Two Different Modes of Oil Contamination

Table 3

Results of compression tests under the two different modes of oil contamination.

Modes of oil contamination	Dry densities of soil samples (g/cm^3)	Mechanical characteristics	Oil contents of soil samples (%)
			0	2	4	8	12	16
The first mode	1.35	Compression coefficient (MPa^-1)	0.133	0.249	0.318	0.268	0.258	0.261
	1.45		0.083	0.148	0.174	0.166	0.152	0.124
	1.55		0.069	0.099	0.138	0.121	0.104	0.095
	1.35	Compression modulus (MPa)	14.93	7.97	6.25	7.41	7.69	7.60
	1.45		22.22	12.50	10.64	11.11	12.12	14.93
	1.55		25.00	17.54	12.50	14.29	16.67	18.18
The second mode	1.35	Compression coefficient (MPa^-1)	0.133	0.129	0.114	0.136	0.129	0.110
	1.45		0.083	0.079	0.077	0.085	0.083	0.080
	1.55		0.069	0.061	0.062	0.069	0.065	0.063
	1.35	Compression modulus (MPa)	14.93	15.38	17.39	14.60	15.38	18.02
	1.45		22.22	23.53	24.10	21.74	22.22	22.99
	1.55		25.00	28.57	27.78	25.00	26.67	27.40