Research Article
Changes in Nanoscaled Mechanical and Rheological Properties of Asphalt Binders Caused by Aging
Table 1
Properties of Shell Pen 70# asphalt.
| Test index | Unit | Pen 70 | Specs | Test method |
| Penetration (25°C, 5 s, 100 g) | 0.1 mm | 68 | 60~80 | T0604 | Ductility (5 cm/min, 15°C) | cm | >100 |
≥100 | T0605 | Softening point (global method) |
°C | 58 | ≥46 | T0606 | Dynamic viscosity (60°C) | Pa·s | 230 | ≥180 | T0625 | The residue after thin film oven | | | | T0609 | Quality loss | % | 0.04 | ≤±0.8 | T0609 | Ductility (5 cm/min, 15°C) | cm | 27 | 15 | T0605 | Penetration ratio (25°C, 5 s, 100 g) | % | 69 | ≥58 | T0604 |
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