Effects of Surfactant Warm-Mix Additives on the Rheological Properties of High-Viscosity Asphalt

Table 1

Physical properties and chemical compositions of AH-70 asphalt.

Properties	Specifications	Measured values
Penetration (25°C, 0.1 mm)	ASTM D5	69
Penetration index (PI)	ASTM D5	−1
Softening point (R&B, °C)	ASTM D36	48.5
Ductility (15°C, cm)	ASTM D113	168
Kinematic viscosity (135°C, Pa·s)	ASTM D4402	0.475
Density (15°C, g·cm^–3)	ASTM D70	1.014
Saturates (wt%)	ASTM D4124	16.29
Aromatics (/wt%)		39.68
Resins (wt%)		30.68
Asphaltenes (wt%)		13.35