Research Article
Performance Evaluation of Warm- and Hot-Mix Asphalt Mixtures Based on Laboratory and Accelerated Pavement Tests
Table 5
Superpave binder test results of base asphalt and base asphalt with 2.0% LEADCAP-B additive.
| Contents | | Base asphalt | Base asphalt with 2% LEADCAP-B |
| Softening point [°C] | | 52.0 | 54.0 | Viscosity, cPs [max. 3,000 cPs] | 135°C | 413 | 400 | | 64°C | 1.28 | 1.91 | DSR (G*/sinδ),kPa (min. 1.0 kPa) | 70°C | 0.63 | 0.93 | | 76°C | 0.32 | — |
| After RTFO |
| | 64°C | 2.58 | 3.78 | DSR (G*/sinδ), kPa (min. 2.2 kPa) | 70°C | 1.20 | 2.11 | | 76°C | 0.58 | — |
| After PAV |
| | 25°C | 2,222 | 1,864 | DSR (G*·sinδ), kPa (max. 5,000 kPa) | 28°C | 1,388 | 972 | | 32°C | 880 | 644 | BBR | | | | Stiffness, MPa (max. 300 MPa)
| −12°C | 188.9 | 171.0 | m-value, (min. 0.3) | −12°C | 0.33 | 0.35 |
| Performance grade | | 64-22 | 64-22 |
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