Experimental and Stress-Strain Equation Investigation on Compressive Strength of Raw and Modified Soil in Loess Plateau

Table 2

OMC of raw soil and modified soil.

Modified soil	Raw soil	Cement			Lime			Sand			Straw
		4%	8%	12%	5%	10%	15%	5%	15%	25%	0.5%	1%
Optimum moisture content/%	18.2	19.8	20.4	21.4	22.0	22.1	22.2	17.4	17.4	17.2	18.3	18.4
Maximum dry density/g cm^−3	1.72	1.69	1.67	1.67	1.58	1.57	1.56	1.75	1.78	1.79	1.68	1.65