Research on Rheological Properties by Desulfurized Rubber Powder/SBS Composite-Modified Asphalt and Road Performance of Its Mixture

Table 8

Test results of physical properties of SMA-13 aggregates.

Items	10∼15 mm	5∼10 mm	3∼5 mm	0∼3 mm	Mineral powder	Requirements
Apparent relative density	2.923	2.913	2.862	—	—	≥2.6
	—	—	—	2.818	2.756	≥2.5
Volume relative density	2.870	2.863	—	—	—	—
Water absorption (%)	0.63	0.60	—	—	—	≤2
Crushing value (%)	10.5					≤20
Wear value (%)	12.4					≤28