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

Table 3

Experiment results of RAP.

Test properties		Result	Requirements
RAP	Water content (%)	0.32	—
	Asphalt content (%)	4.0	—
	Sand equivalent (%)	79	>55
	Theoretical maximum density (g·cm^−3)	2.569	—
Asphalt properties in RAP	Penetration (25°C, 100 g, 5 s)/0.1 mm	33	>20
	Softening point (%)	63	—
	Ductility (10°C) (cm)	3.1	—