Research Article

Properties and Components of Recycled Engine Oil Bottom Rejuvenated Asphalt and Its Grey Relationship Analysis

Table 2

Properties indices of 70-A matrix asphalt binders.

IndicesTest resultsEngineering requirementsTest methods

Penetration (25°C, 0.1 mm)7160∼80JTG E20-2011 T0604
Softening point (°C)48.7≥46JTG E20-2011 T0606
Ductility (10°C, cm)22≥20JTG E20-2011 T0605
Brookfield viscosity (135°C, Pa·s)0.397JTG E20-2011 T0625
After RTFO (163°C, 75 min)Mass loss (%)−0.12−0.8∼0.8JTG E20-2011 T0610
Penetration ratio (%)65.3≥61JTG E20-2011 T0604
Ductility (10°C, cm)7.2≥6JTG E20-2011 T0605