Research Article
Laboratory Evaluation on Performance of Fiber-Modified Asphalt Mixtures Containing High Percentage of RAP
Table 3
Experiment results of RAP.
| Test properties | Result | Requirements |
| RAP | Water content (%) | 0.32 | — | Asphalt content (%) | 4.0 | — | Sand equivalent (%) | 79 | >55 | Theoretical maximum density (g·cm−3) | 2.569 | — |
| Asphalt properties in RAP | Penetration (25°C, 100 g, 5 s)/0.1 mm | 33 | >20 | Softening point (%) | 63 | — | Ductility (10°C) (cm) | 3.1 | — |
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