Research Article
Study on Mechanical Behavior of Aging Asphalt Based on Composite Regeneration and Modification
Table 1
Indexes of 90# original asphalt and aging asphalt in different aging time.
| | Type | Penetration/0.1mm | P. index | Ductility/cm | Softening point (°C) | Viscosity/Pa·s |
| | Temperature | 25°C | — | 5°C | — | 135°C | | 90# original asphalt | 93 | −0.9 | 9.0 | 44.5 | 0.328 | | Aging asphalt (5 h) | 60 | −3.7 | 4.2 | 49.7 | 0.407 | | Aging asphalt (20 h) | 27 | −3.6 | 3.9 | 55.6 | 0.760 | | SBS modified asphalt | 68 | −0.4 | 35 | 72.8 | 1.895 |
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