Research Article
Effect of Blending Degree between Virgin and Aged Binder on Pavement Performance of Recycled Asphalt Mixture with High RAP Content
| Mixing method/mixing temperature | Mixing method 1 | Mixing method 2 | Mixing method 3 | Mixing method 4 (100% DOB) | 150°C | 165°C | 180°C | 165°C |
| RAP preheating time (h) and temperature (°C) | 2; 110 | Heating temperature of virgin binder (°C) | 165 | Heating temperature of virgin aggregate (°C) | 180 | Mixing time (min) | 3 | Aggregate gradation | AC-16 | Binder content | Same | DOB state | Partial blending | Partial blending | Partial blending | Complete blending |
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