Performance Evaluation of Warm- and Hot-Mix Asphalt Mixtures Based on Laboratory and Accelerated Pavement Tests

Table 5

Superpave binder test results of base asphalt and base asphalt with 2.0% LEADCAP-B additive.

Contents		Base asphalt	Base asphalt with 2% LEADCAP-B
Softening point [°C]		52.0	54.0
Viscosity, cPs [max. 3,000 cPs]	135°C	413	400
	64°C	1.28	1.91
DSR (G*/sinδ),kPa (min. 1.0 kPa)	70°C	0.63	0.93
	76°C	0.32	—
After RTFO
	64°C	2.58	3.78
DSR (G*/sinδ), kPa; (min. 2.2 kPa)	70°C	1.20	2.11
	76°C	0.58	—
After PAV
	25°C	2,222	1,864
DSR (G*·sinδ), kPa (max. 5,000 kPa)	28°C	1,388	972
	32°C	880	644
BBR
Stiffness, MPa (max. 300 MPa)	−12°C	188.9	171.0
m-value, (min. 0.3)	−12°C	0.33	0.35
Performance grade		64-22	64-22