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

Table 2

Physical properties of the RAP aggregate.

Indexes	Units	Particle size			Test methods
		10∼20 mm	3∼10 mm	0.075∼3 mm
Crushing value	%	17.6	—	—	T 0316
Los Angeles wear loss	%	19.4	19.4	—	T 0317
Polished value	—	38	—	—	T 0321
Apparent density	g/cm^3	2.721	2.715	2.708	T 0304
Water absorption	%	0.3	0.4	0.6	T 0304
Adhesion to asphalt	Grade	5	—	—	T 0616