Research Article
Evaluation of Waste Engine Oil-Rejuvenated Asphalt Concrete Mixtures with High RAP Content
Table 4
Summary of Marshall properties.
| | Properties | Mix type | Specification | | Standard | CR | WEO | | 0% | 30% | 40% | 50% | 30% | 40% | 50% | | RAP | RAP | RAP | RAP | RAP | RAP | RAP |
| | Stability (kg) | 1090 | 1275 | 1150 | 1100 | 1120 | 1200 | 1100 | 800 (min) | | Air void (%) | 4.2 | 4.35 | 4 | 4.2 | 4.3 | 3.95 | 4.05 | 3.0–5.0 | | Void in mineral aggregates | 15.1 | 16.45 | 16.2 | 16.25 | 16.4 | 16.7 | 17.45 | 14 (min) | | Flow (mm) | 4.15 | 3.25 | 3.75 | 2.9 | 3.3 | 3.5 | 3.3 | 2.0–4.0 | | Void filled with asphalt | 73 | 73 | 75 | 75 | 72.5 | 77 | 77 | 70–80 | | Stability loss (%) | 17.77 | 22.5 | 15.7 | 18.6 | 14.98 | 9.3 | 5.02 | 20 (max) | | Max. unit weight (gm/cc) | 2.288 | 2.274 | 2.286 | 2.275 | 2.275 | 2.281 | 2.271 | — | | Obtained optimum asphalt | 6.1 | 5.55 | 5.15 | 5.05 | 5.59 | 5.17 | 5.08 | — | | Used asphalt | 6.1 | 5.5 | 5.2 | 5 | 5.5 | 5.2 | 5 | — |
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