Effect of Nano-Cobalt Oxide on the Rheological Behavior of Asphalt Binder and Mechanical Characteristics of Hot Mix Asphalt

Table 5

Regression equations for fatigue life of asphalt mixtures.

Num	Temp	Mixture	Fatigue equation	K 1	K 2	R ^2
1	5	Control		9873	0.406	0.8875
2	5	Modified with 1% nano-CoO		9321	0.378	0.8566
3	5	Modified with 2% nano-CoO		8440	0.361	0.8188
4	20	Control		8110	0.398	0.8949
5	20	Modified with 1% nano-CoO		6465	0.351	0.8626
6	20	Modified with 2% nano-CoO		7612	0.356	0.8383