Research Article
Road Performance of Calcium Sulfate Whisker and Polyester Fiber Composite-Modified Asphalt Mixture
Table 1
Technical indexes of
A road asphalt.
| Parameter | Results | Standard in China (JTG E20-2011) |
| Penetration (0.1 mm) | 66 | 60–80 | Softening point (°C) | 48 | ≥46 | 15°C ductility (cm) | >150 | ≥100 | 10°C ductility (cm) | 32 | ≥20 | Wax content (%) | 1.8 | ≤2.2 | Flash point (°C) | 342 | ≥260 | Solubility (trichloroethylene) (%) | 99.96 | ≥99.5 |
| After subjecting to aging in a thin-film oven (TFOT) (163°C 5 h) | Loss in weigh (%) | 0.2 | ≤0.6 | Penetration ratio (%) | 68 | ≥65 | Ductility (cm) (5 cm/min, 10°C) | 7 | ≥6 |
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