Effect of Blending Degree between Virgin and Aged Binder on Pavement Performance of Recycled Asphalt Mixture with High RAP Content

Table 1

Properties of RAP binder.

Indexes	Units	RAP binder samples			Mean value	AH-70 asphalt binder
		A	B	C
Ductility (15°C, 5 cm/min)	cm	18.6	17.8	21.2	19.2	≥100
Penetration (25°C, 5 s, 100 g)	0.1 mm	26.8	25.9	28.4	27.0	60–80
Softening point	°C	59.1	58.5	58.6	58.7	≥46