Effect of Silicone Oil on Dispersion and Low-Temperature Fracture Performance of Crumb Rubber Asphalt

Table 6

Paired sample test results of displacement at different test temperatures for notched samples.

Asphalt binder type	N	Mean (mm)	Std. deviation	Std. error mean	99% CI		t	Df	Sig. (2 tailed)
					Lower	Upper
Test temperature −12°C
Neat + CR	3289	−0.36459	0.34538	0.00602	−0.3812	−0.34907	−60.540	3288	0.001
Neat + CR + SO
Test temperature −18°C
Neat + CR	2027	0.00272	0.01520	0.00034	0.00185	0.00359	8.061	2026	0.001
Neat + CR + SO
Test temperature −24°C
Neat + CR	2667	0.02056	0.02075	0.00040	0.01952	0.02159	51.163	2666	0.001
Neat + CR + SO