Research Article
Research on Rheological Properties of High-Percentage Artificial RAP Binder with WMA Additives
Table 1
Properties of 90# asphalt and RAP binders.
| | Binder type | Unaged | RTFO | PAV | | Penetration (25°C) (0.1 mm) | Softening point (°C) | Viscosity (135°C) (Pa·s) | (58°C) (kPa) | (58°C) (kPa) | (25°C) (kPa) | Stiffness (− 12°C) (MPa) | m-value (−12°C) |
| | 90# | 84.3 | 46.0 | 0.246 | 1.9 | 3.5 | 1989 | 196 | 0.4 | | RAP binder | 37.4 | 54.1 | 0.496 | 9.0 | — | 2830 | — | — |
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