Effects of Cement Content, Curing Period, Gradation, and Compaction Degree on Mechanical Behavior of Cement-Stabilized Crushed Gravel Produced via Vertical Vibration Test Method

Table 4

Changes in the moisture contents before and after compaction using two methods.

Test method	Cement dosage (%)	GM gradation			XM gradation
		ωopt (%)	ω1 (%)	(ωopt − ω1)/ωopt (%)	ωopt (%)	ω1 (%)	(ωopt − ω1)/ωopt (%)
SPM	3.0	4.7	4.16	11.49	5.2	4.59	11.73
	3.5	4.8	4.23	11.88	5.3	4.68	11.70
	4.0	4.9	4.31	12.04	5.5	4.88	11.27
	4.5	5	4.39	12.20	5.6	4.93	11.96
	5.0	5.1	4.47	12.35	5.6	4.94	11.79
VVTM	3.0	3.8	3.77	0.79	4.2	4.16	0.95
	3.5	3.9	3.87	0.77	4.4	4.36	0.91
	4.0	4.0	3.97	0.75	4.6	4.55	0.87
	4.5	4.0	3.96	1.00	4.6	4.55	1.09
	5.0	4.0	3.95	1.30	4.7	4.66	0.85