Research Article
Evaluation of the Physical and Adhesive Properties of Natural Weathering Asphalt
Table 7
Surface free energy components of asphalt.
| Asphalt | Aging time (year) | (mJ·m−2) | (mJ·m−2) | (mJ·m−2) |
| A70 | 0 | 14.49 | 11.95 | 2.55 | 1 | 16.17 | 14.69 | 1.48 | 2 | 16.20 | 14.72 | 1.48 | 3 | 16.52 | 15.35 | 1.17 | 4 | 16.94 | 15.86 | 1.08 |
| SBSMA | 0 | 14.48 | 11.52 | 2.97 | 1 | 15.68 | 13.80 | 1.87 | 2 | 17.16 | 15.82 | 1.34 | 3 | 17.00 | 15.88 | 1.12 | 4 | 16.92 | 15.78 | 1.15 |
| AR | 0 | 15.63 | 13.60 | 2.03 | 1 | 17.24 | 15.72 | 1.52 | 2 | 17.44 | 16.17 | 1.27 | 3 | 17.15 | 15.90 | 1.25 | 4 | 16.77 | 15.16 | 1.61 |
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