Mechanical and Mesoscale Analyses of Cement Stabilized Macadam Prepared by Vibratory and Nonvibratory Mixing Techniques

Table 5

Coefficients of variation of fatigue lives under different stress states.

Stress level (MPa)	Mixing method	Coefficient of variation Cv (%)
		Indirect tensile	Four-point bending	Unconfined compression
0.25	Vibration	8.88	6.73	—
	Nonvibration	9.62	10.56	—
0.5	Vibration	6.84	9.29	—
	Nonvibration	8.18	10.36	—
1.0	Vibration	5.61	6.09	—
	Nonvibration	7.72	7.70	—
1.5	Vibration	4.31	3.44	—
	Nonvibration	5.06	4.72	—
3.5	Vibration	—	—	9.65
	Nonvibration	—	—	11.97
6	Vibration	—	—	8.0
	Nonvibration	—	—	7.85
8	Vibration	—	—	4.28
	Nonvibration	—	—	8.36
10	Vibration	—	—	4.83
	Nonvibration	—	—	7.37