Results of the Marshall design method for the 13 evaluated SMA mixtures
| Asphalt: % | Fibre: % | Stability: kN | Flow: mm | VTM | VMA | VFA | VCADRC | VCAmix |
|---|---|---|---|---|---|---|---|---|
| SMA without fibres | ||||||||
| 5.9 | 0 | 4.5 (0.4) | 3.2 (0.3) | 5.8 (0.2) | 18.7 | 69 | 47.2 | 40.5 |
| 6.2 | 0 | 4.9 (0.2) | 3.3 (0.1) | 4 (0.4) | 17.8 | 77 | 47.2 | 39.9 |
| 6.5 | 0 | 4.5 (0.4) | 3.7 (0.1) | 3.1 (0.02) | 17.5 | 82 | 47.2 | 39.6 |
| SMA with fibres | ||||||||
| 5.9 | 0.4 | 5.1 (0.6) | 3.6 (0.6) | 6 (0.5) | 19.4 | 69.3 | 47.2 | 41.2 |
| 0.5 | 4.6 (0.4) | 5.0 (0.4) | 6.1 (0.3) | 19.7 | 69.0 | 47.2 | 41.5 | |
| 6.2 | 0.1 | 6.0 (0.3) | 3.2 (0.2) | 4.1 (0.2) | 17.9 | 77.0 | 47.2 | 40.1 |
| 0.2 | 5.7 (0.2) | 3.1 (0.1) | 4.2 (0.6) | 18.1 | 76.8 | 47.2 | 40.2 | |
| 0.3 | 5.6 (0.7) | 3.4 (0.6) | 4.3 (0.4) | 18.4 | 76.7 | 47.2 | 40.4 | |
| 0.4 | 4.3 (0.5) | 3.4 (0.5) | 4.4 (0.2) | 18.6 | 76.6 | 47.2 | 40.5 | |
| 0.5 | 4.3 (0.6) | 3.8 (0.5) | 4.5 (0.6) | 18.9 | 76.4 | 47.2 | 40.6 | |
| 6.5 | 0.2 | 4.5 (0.1) | 3.2 (0.4) | 3.9 (0.7) | 18.5 | 78.8 | 47.2 | 40.5 |
| 0.3 | 5.5 (0.1) | 3.3 (0.2) | 3.9 (0.7) | 18.6 | 78.8 | 47.2 | 40.6 | |
| 0.4 | 5.7 (0.5) | 3.4 (0.1) | 4 (0.4) | 18.7 | 78.6 | 47.2 | 40.7 | |
| Specs. | — | ≥6.2 | 2–4 | 4 | >17 | 70–90 | VCAmix < VCADRC | |
| Asphalt: % | Fibre: % | Stability: kN | Flow: mm | |||||
|---|---|---|---|---|---|---|---|---|
| 5.9 | 0 | 4.5 (0.4) | 3.2 (0.3) | 5.8 (0.2) | 18.7 | 69 | 47.2 | 40.5 |
| 6.2 | 0 | 4.9 (0.2) | 3.3 (0.1) | 4 (0.4) | 17.8 | 77 | 47.2 | 39.9 |
| 6.5 | 0 | 4.5 (0.4) | 3.7 (0.1) | 3.1 (0.02) | 17.5 | 82 | 47.2 | 39.6 |
| 5.9 | 0.4 | 5.1 (0.6) | 3.6 (0.6) | 6 (0.5) | 19.4 | 69.3 | 47.2 | 41.2 |
| 0.5 | 4.6 (0.4) | 5.0 (0.4) | 6.1 (0.3) | 19.7 | 69.0 | 47.2 | 41.5 | |
| 6.2 | 0.1 | 6.0 (0.3) | 3.2 (0.2) | 4.1 (0.2) | 17.9 | 77.0 | 47.2 | 40.1 |
| 0.2 | 5.7 (0.2) | 3.1 (0.1) | 4.2 (0.6) | 18.1 | 76.8 | 47.2 | 40.2 | |
| 0.3 | 5.6 (0.7) | 3.4 (0.6) | 4.3 (0.4) | 18.4 | 76.7 | 47.2 | 40.4 | |
| 0.4 | 4.3 (0.5) | 3.4 (0.5) | 4.4 (0.2) | 18.6 | 76.6 | 47.2 | 40.5 | |
| 0.5 | 4.3 (0.6) | 3.8 (0.5) | 4.5 (0.6) | 18.9 | 76.4 | 47.2 | 40.6 | |
| 6.5 | 0.2 | 4.5 (0.1) | 3.2 (0.4) | 3.9 (0.7) | 18.5 | 78.8 | 47.2 | 40.5 |
| 0.3 | 5.5 (0.1) | 3.3 (0.2) | 3.9 (0.7) | 18.6 | 78.8 | 47.2 | 40.6 | |
| 0.4 | 5.7 (0.5) | 3.4 (0.1) | 4 (0.4) | 18.7 | 78.6 | 47.2 | 40.7 | |
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