Research Article
Influence of the Chemical Composition of Asphalt and the 3D Morphology of the Aggregate on Contact Surface Adhesion
Table 10
Stripping rate of asphalt on the aggregate surface and the adhesion level.
| Aggregate type | Evaluation index | Asphalt type | A1 | A2 | A3 | B1 | B2 | B3 | C1 | C2 | C3 |
| Granite | Average stripping rate (%) | 57.99 | 76.35 | 70.24 | 60.38 | 70.33 | 82.07 | 69.42 | 76.58 | 87.11 | Standard deviation | 13.2223 | 5.9694 | 3.7577 | 4.8376 | 5.5874 | 6.5320 | 3.4375 | 7.0964 | 2.9095 | Adhesion level | 3 | 1 | 1 | 2 | 1 | 1 | 2 | 1 | 1 |
| Basalt | Average stripping rate (%) | 21.73 | 46.82 | 30.34 | 19.68 | 59.22 | 61.69 | 23.34 | 35.71 | 57.54 | Standard deviation | 9.4473 | 7.0265 | 6.8855 | 5.8632 | 7.9738 | 6.9951 | 6.8161 | 8.0227 | 7.8151 | Adhesion level | 6 | 4 | 5 | 7 | 3 | 2 | 6 | 5 | 3 |
| Limestone | Average stripping rate (%) | 17.65 | 25.62 | 17.31 | 18.77 | 27.31 | 34.99 | 16.84 | 31.06 | 31.03 | Standard deviation | 6.0636 | 5.0029 | 5.8597 | 6.2877 | 6.4361 | 7.8059 | 7.7715 | 8.1286 | 8.0201 | Adhesion level | 7 | 6 | 7 | 7 | 6 | 5 | 7 | 5 | 5 |
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