Evaluation and Analysis of Variance of Storage Stability of Asphalt Binder Modified by Nanotitanium Dioxide

Table 3

ANOVA: single factor between the TiO₂-50 and TiO₂-100 groups.

Properties	Source of variation		Sum of squares	Degree of freedom	Mean Square		Significance
Softening point	Between groups	(Combined)	0.016	1	0.016	0.122	0.736
		Linear term	0.016	1	0.016	0.122	0.736
	Within groups		1.048	8	0.131
	Total		1.064	9
Failure temperature	Between groups	(Combined)	0.008	1	0.008	0.020	0.890
		Linear term	0.008	1	0.008	0.020	0.890
	Within groups		3.092	8	0.386
	Total		3.100	9
Dynamic shear viscosity	Between groups	(Combined)	1.600	1	1.600	0.147	0.711
		Linear term	1.600	1	1.600	0.147	0.711
	Within groups		87.016	8	10.877
	Total		88.616	9
Rutting factor	Between groups	(Combined)	16.900	1	16.900	0.198	0.668
		Linear term	16.900	1	16.900	0.198	0.668
	Within groups		681.200	8	85.150
	Total		698.100	9