Research Article
Laboratory Evaluation on Performance of Fiber-Modified Asphalt Mixtures Containing High Percentage of RAP
Table 6
The optimum asphalt content of different asphalt mixtures.
| | Asphalt type | Optimum asphalt content (%) | | 0% RAP | 20% RAP | 40% RAP |
| | Matrix asphalt | 4.5 | 4.2 | 4.0 | | LF-modified asphalt | 4.8 | 4.6 | 4.5 | | PF-modified asphalt | 4.9 | 4.5 | 4.3 | | BF-modified asphalt | 4.8 | 4.5 | 4.4 |
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