Evaluation and Analysis of Variance of Storage Stability of Asphalt Binder Modified by Nanotitanium Dioxide

Table 1

Physical properties and chemical components of the base asphalt.

Items	Test results	Test specification
Softening point (°C)	43.9	ASTM D36
Ductility (15°C) (cm)	>150	ASTM D113
Penetration (25°C) (0.1 mm)	103	ASTM D5
Saturates (%)	31	ASTM D4124
Aromatics (%)	40
Resins (%)	22
Asphaltene (%)	7