Study on the Properties of Waste Oil-Activated Crumb Rubber-Modified Asphalt Based on Molecular Dynamics Simulation and Rheology

Table 1

Technical properties of SK-90# asphalt.

Technical indexes		Requirement	SK-90#
Penetration (25°C, 100 g, 5 s)/0.1 mm		80–100	89.9
Softening point (°C)		≤42	45.5
Ductility (5 cm/min, 10°C) (cm)		≤100	>100
RTFOT (163°C, 85 min)	Mass loss (%)	≥±0.8	0.07
	Penetration ratio (%)	≤54	70
	Ductility of 10°C (cm)	≤6	9.0