Research Article
Effect of Clogging on the Permeability of Porous Asphalt Pavement
Table 2
Road performance of porous asphalt mixture.
| Index | Tested value | Test method |
| Target void rate (%) | 25 | 23 | 20 | 18 | — | Real void rate (%) | 26.16 | 21.74 | 19.72 | 17.66 | T0708 | Asphalt content (%) | 3.50 | 4.20 | 4.20 | 4.50 | — | Cantabro test loss (%) | 19.82 | 13.17 | 7.48 | 4.46 | T0733 | Binder drainage (%) | 0.05 | 0.5 | 0.04 | 0.18 | T0732 | Marshall stability (kN) | 4.70 | 5.10 | 5.42 | 7.48 | T0709 | Flow value (0.1 mm) | 2.51 | 2.68 | 2.82 | 3.48 | T0709 | Residual stability (%) | 80 | 82 | 84 | 86 | T0709 | Dynamic stability (times/mm) | 7000 | 6461 | 9333 | 8400 | T0719 |
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