Evaluation of High-Performance Asphalt Binders Modified with SBS, SIS, and GTR

Table 1

Properties of base asphalt binder (PG 76-22).

Aging states	Test properties	Test result
Unaged binder	Viscosity at 135°C (Pa-s)	3.244
	/sin δ at 76°C (kPa)	1.9
RTFO aged residual	/sin δ at 76C (kPa)	3.3
RTFO + PAV aged residual	sin δ at 25°C (kPa)	3650
	Stiffness at −12°C (MPa)	285
	m-value at −12°C	0.302