Investigation on the Feasibility of Different Semicircular Bend Methods for Asphalt Concrete

Table 1

Properties of AH-70# asphalt.

Items	Values	Test methods
Penetration (25°C, 0.1 mm)	68	ASTM D5
Softening point (°C)	48.0	ASTM D36
Ductility (15°C, cm)	>100	ASTM D113
Flashing point (°C)	285	ASTM D92
Mass loss after TFOT, 163°C, 5 hours (%)	0.15	ASTM D6
Penetration ratio after TFOT (%)	78.8	ASTM D5
Ductility after TFOT (cm)	6.5	ASTM D113
Density (g/cm^3)	1.034	ASTM D70