Laboratory Evaluation of Asphalt Binder Modified with Crumb Rubber and Basalt Fiber

Table 1

Properties of base asphalt (A-70).

Item		Value	Standards
Density (15°C) (g/cm^3)		1.040	ASTM D70-18 [24]
Penetration (25°C,100g,5s) (0.1 mm)		73	ASTM D5/D5M-13 [25]
Viscosity (60°C) (Pa·s)		230	ASTM D2170/D2170M-10 [26]
Ductility (10°C, 5 cm/min) (cm)		37	ASTM D113-17 [27]
After RTFOT^1	Mass loss (%)	0.328	ASTM D2872-12 [28]
	Ductility (10°C, 5 cm/min) (cm)	6.2	ASTM D113-17 [27]
	Penetration ratio (%)	63.8	ASTM D5/D5M-13 [25]