Research Article
Influence of the Chemical Composition of Asphalt and the 3D Morphology of the Aggregate on Contact Surface Adhesion
Table 2
Basic technical properties and mineral composition of the aggregate.
| | Lithology | Technical performance | Chemical composition | | Crush value (%) | Abrasion value (%) | Polish value | Water absorption (%) | Apparent relative density (g/cm3) | SiO2 (wt%) | Al2O3 (wt%) | Fe2O3 (wt%) | FeO (wt%) | CaO (wt%) | MgO (wt%) | K2O (wt%) | Na2O (wt%) | TiO2 (wt%) |
| | Granite | 18.1 | 21.5 | 46 | 0.37 | 2.654 | 70.05 | 15.11 | 1.36 | 2.04 | 1.99 | 1.07 | 2.66 | 2.08 | 0.87 | | Basalt | 10.5 | 8.9 | 58 | 0.63 | 2.724 | 50.43 | 16.54 | 4.43 | 2.72 | 5.80 | 2.84 | 3.03 | 4.21 | 1.07 | | Limestone | 21.5 | 19.4 | 42 | 0.72 | 2.698 | 1.67 | 0.42 | 0.28 | 0.01 | 85.78 | 0.07 | 0.31 | 0.44 | 1.01 |
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