Preparation and Properties of Nano-ZnO Combined with Biomass Heavy Oil Composite-Modified Asphalt

Table 1

The technical index of asphalt.

Technical indicators	Technical requirements	Test results	Specifications
Penetration (25°C, 5 s, 100 g)/(0.1 mm)	60∼80	62	T 0604-2011
Penetration index PI	−1.5∼+1.0	−1.27
Softening point (°C)	≥46	47.1	T 0606-2011
Ductility (10°C, 5 cm/min)/cm	≥15	36	T 0605-2011
Ductility (15°C, 5 cm/min)/cm	≥100	>100	T 0605-2011