Evaluation of the Physical Performance and Working Mechanism of Asphalt Containing a Surfactant Warm Mix Additive

Table 5

Viscosity-temperature curve-fitting equation of warm mix asphalt.

Warm mix additives content (wt.%)	Viscosity-temperature curve equation	VTS	R^2
0	y = −0.02264x + 2.76198	0.02264	0.9899
0.2	y = −0.02272x + 2.78014	0.02272	0.9888
0.4	y = −0.02278x + 2.78756	0.02278	0.9897
0.8	y = −0.02266x + 2.77364	0.02266	0.9894
1.0	y = −0.0226x + 2.75045	0.0226	0.9896