Research Article
Laboratory Study on Properties of Diatomite and Basalt Fiber Compound Modified Asphalt Mastic
Table 1
Physical properties of neat asphalt.
| | Property | Value | Standard value |
| | Density (15°C, g/cm3) | 1.016 | — | | Penetration (25°C, 0.1 mm) | 91.8 | 80–100 | | Softening point (°C) | 46.9 | ≥45 | | Ductility (25°C, cm) | >150 | ≥100 | | Viscosity (135°C, Pa·s) | 306.9 | — |
| | After TFOT |
| | Mass loss (%) | 0.38 | ≤±0.8 | | Residual penetration ratio (25°C, %) | 73.3 | ≥57 | | Softening point (°C) | 49.6 | — | | Ductility (15°C, cm) | >120 | ≥20 | | Viscosity (135°C, Pa·s) | 432.5 | — |
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