Research Article
Investigating the Effects of Chopped Basalt Fiber on the Performance of Porous Asphalt Mixture
Table 1
Properties of the asphalt.
| Properties | Results | Specification requirements |
| Penetration (25°C, 0.1 mm) | 66.0 | ≥50 | Softening point (°C) | 80 | ≥75 | Ductility (cm) | 29 | ≥20 | Viscosity (Pa·s) | 2.302 | 2.2∼3.0 | Elastic recovery (25°C, %) | 98.7 | ≥90 | Density (g·cm−3) | 1.023 | Measured | Penetration ratio (25°C, %) | 85.7 | ≥65 |
|
|