Laboratory Evaluation on Performance of Fiber-Modified Asphalt Mixtures Containing High Percentage of RAP

Table 1

Physical properties of base asphalt.

Test properties		Results	Requirement
Penetration (25°C, 100 g, 5 s)/0.1 mm		74.9	60∼80
Softening point (°C)		46.7	≥46
Ductility (10°C) (cm)		68.5	≥100
Rolling thin film oven (RTFO)	Mass loss (%)	0.60	≤0.80
	Penetration ratio (%)	71.5	≥61.0
	Ductility (10°C) (cm)	9.8	—