Research Article
Performance of Recycled Porous Hot Mix Asphalt with Gilsonite Additive
Table 9
Summary of optimum asphalt content and its Marshall characteristics.
| | Marshall characteristics | Coarse aggregate proportion | Australian specifications | | 100/0 | 80/20 | 60/40 | 40/60 | 20/80 | 0/100 | | Optimum asphalt content | | 7% | 7% | 8.5% | 7.5% | 7.5% | 7% |
| | VIM | 13.0 | 12.9 | 12.3 | 12.4 | 13.2 | 15.6 | 18%–25% | | Stability | 342.3 | 454.5 | 520.6 | 528.3 | 559.3 | 560.9 | >500 kg | | Flow | 3.1 | 3.4 | 3.5 | 3.8 | 3.9 | 4.2 | 2–6 mm | | MQ | 113.3 | 130.1 | 149.4 | 136.4 | 145.3 | 137.3 | <400 kg/mm |
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