Research Article
Changes in Nanoscaled Mechanical and Rheological Properties of Asphalt Binders Caused by Aging
Table 3
Rheological properties of asphalt before and after RTFO tests.
| Test project | Test temperature/°C | Asphalt | RTFO aged asphalt residual |
| (KPa) | 52 | 5.10 | 13.70 | 58 | 2.25 | 5.77 | 64 | 1.05 | 2.46 | 70 | 0.50 | 1.44 |
| Phase angle (°) | 52 | 85.8 | 82.5 | 58 | 86.7 | 84.5 | 64 | 87.2 | 86 | 70 | 86.3 | 84.4 |
| (KPa) | 52 | 5.10 | 13.58 | 58 | 2.25 | 5.74 | 64 | 1.05 | 2.45 | 70 | 0.50 | 1.43 |
| Elastic (KPa) | 52 | 0.37 | 1.77 | 58 | 0.13 | 0.55 | 64 | 0.05 | 0.17 | 70 | 0.03 | 0.14 |
| Viscous (KPa) | 52 | 5.09 | 13.47 | 58 | 2.25 | 5.72 | 64 | 1.05 | 2.45 | 70 | 0.50 | 1.43 |
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