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

Table 5

Physical properties of the virgin aggregate.

Indexes	Units	Norms requirements	Particle size			Test methods
			10∼20 mm	3∼10 mm	0.075∼3 mm
Crushing value	%	≤26	19.8	—	—	T 0316
Los Angeles wear loss	%	≤28	17.5	17.5	—	T 0317
Polished value	—	≥40	42	—	—	T 0321
Apparent density	g/cm^3	—	2.736	2.731	2.726	T 0304
Water absorption	%	≤2.0	0.5	0.4	0.3	T 0304
Adhesion to asphalt	Grade	≥5	5	—	—	T 0616