Research Article
Study on Mechanical Behavior of Aging Asphalt Based on Composite Regeneration and Modification
Table 11
Indexes of regenerating and modifying test of aging asphalt at the same time.
| | Type | Penetration/0.1mm | Ductility/cm | Softening point (°C) | Viscosity/135°C/Pa·s | | 25°C | 5°C |
| | 90# original asphalt | 93 | 9.0 | 44.5 | 0.328 | | Aging asphalt (5 h) | 60 | 4.2 | 49.7 | 0.407 | | Regenerating and modifying asphalt at the same time (2.5% + 9%) (5 h) | 62 | 26.0 | 47.7 | 0.260 |
| | 90# original asphalt | 93 | 9.0 | 44.5 | 0.328 | | Aging asphalt (20 h) | 27 | 3.9 | 55.6 | 0.760 | | Regenerating and modifying asphalt at the same time (6% + 18%) (20 h) | 45 | 23.0 | 50.1 | 0.438 |
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