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 5

Strength of field core samples and specimens formed by VVTM and SPM.

Intensity type	Index	CSCG indexes for the following curing periods (days)				Average value (%)
		7	14	28	60
Compressive strength	(MPa)	7.0	8.3	9.6	10.3	—
	Rc(s) (MPa)	3.2	3.7	4.3	4.6	—
	Rc(x) (MPa)	7.8	9.1	10.2	11.4	—
	/Rc(x)	0.901	0.904	0.934	0.904	0.91
	Rc(s)/Rc(x)	0.410	0.407	0.422	0.404	0.41
Splitting strength	(MPa)	0.63	0.75	0.92	1.05	—
	Ri(s) (MPa)	0.34	0.39	0.47	0.53	—
	Ri(x) (MPa)	0.69	0.82	0.98	1.13	—
	/Ri(x)	0.913	0.915	0.939	0.929	0.92
	Ri(s)/Ri(x)	0.493	0.476	0.480	0.469	0.48