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.
| Indices | Test results | Engineering requirements | Test methods |
| Penetration (25°C, 0.1 mm) | 71 | 60∼80 | JTG E20-2011 T0604 | Softening point (°C) | 48.7 | ≥46 | JTG E20-2011 T0606 | Ductility (10°C, cm) | 22 | ≥20 | JTG E20-2011 T0605 | Brookfield viscosity (135°C, Pa·s) | 0.397 | — | JTG E20-2011 T0625 | After RTFO (163°C, 75 min) | Mass loss (%) | −0.12 | −0.8∼0.8 | JTG E20-2011 T0610 | Penetration ratio (%) | 65.3 | ≥61 | JTG E20-2011 T0604 | Ductility (10°C, cm) | 7.2 | ≥6 | JTG E20-2011 T0605 |
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