Research Article
Prediction Model for Connected Voids Ratio of the Porous Asphalt Mixture
Table 3
Technical index of modified asphalt.
| Experiment item | Common asphalt | Asphalt rubber | High-viscosity asphalt |
| Softening point (°C) | 48 | 66 | 81.8 | 15°C ductility(cm) | >100 | 12.4 | >100 | Penetration (0.1 mm) | 66 | 42 | 43.1 | Viscosity (135°C) | 0.41 | 3.67 | 4.72 |
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