Table 7 Optimized model verification for experimental and predicted responses
Input factors | Response | Model predicted | Experimental | Error (%) |
|---|---|---|---|---|
| Â | BSD (g/cm3) | 2.445 | 2.542 | 3.97 |
| Â | AV (%) | 4.28 | 4.13 | 3.51 |
Asphalt binder = 4.56 | VFA (%) | 78.43 | 75.21 | 4.11 |
| Â | VMA (%) | 16.07 | 15.43 | 3.98 |
| Â | Marshall stability (kN) | 14.62 | 14.09 | 3.63 |
BGC content = 2.72 | Marshall flow (mm) | 2.897 | 3.02 | 4.25 |
| Â | ITSR (%) | 91.43 | 94.79 | 3.68 |
| Â | Average error (%) | 3.88 | ||