Research Article
Effect of Blending Degree between Virgin and Aged Binder on Pavement Performance of Recycled Asphalt Mixture with High RAP Content
Table 2
Physical properties of the RAP aggregate.
| Indexes | Units | Particle size | Test methods | 10∼20 mm | 3∼10 mm | 0.075∼3 mm |
| Crushing value | % | 17.6 | — | — | T 0316 | Los Angeles wear loss | % | 19.4 | 19.4 | — | T 0317 | Polished value | — | 38 | — | — | T 0321 | Apparent density | g/cm3 | 2.721 | 2.715 | 2.708 | T 0304 | Water absorption | % | 0.3 | 0.4 | 0.6 | T 0304 | Adhesion to asphalt | Grade | 5 | — | — | T 0616 |
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