Research Article
Prediction Model for Connected Voids Ratio of the Porous Asphalt Mixture
| Gradation types | The quality percentage of passing the screen hole (square screen hole, mm) (%) | Asphalt-aggregate ratio (%) | 16 | 13.2 | 9.5 | 4.75 | 2.36 | 1.18 | 0.6 | 0.3 | 0.15 | 0.075 |
| Gradation 1 | 100 | 95 | 70 | 15 | 13 | 13 | 9 | 7 | 5 | 4 | 4.4 | Gradation 2 | 100 | 88.9 | 70.5 | 18.9 | 15.2 | 11.5 | 8.5 | 6.4 | 5 | 4.6 | 5.5 | Gradation 3 | 100 | 86.3 | 63.7 | 23.7 | 20.3 | 13.9 | 10.5 | 7.4 | 5.2 | 4.7 | 6 | Gradation 4 | 100 | 95 | 74 | 23 | 15 | 12 | 9 | 6.5 | 5 | 4.5 | 5 | Gradation 5 | 100 | 92 | 64.3 | 11.4 | 4.8 | 4.3 | 3.8 | 3.3 | 2.8 | 2.3 | 3.5 |
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