Research Article
Influence of the Chemical Composition of Asphalt and the 3D Morphology of the Aggregate on Contact Surface Adhesion
Table 7
The edge and angle feature of the aggregate samples.
| | Lithology | Number of aggregate samples | Angularity characteristics of aggregate particles | | Ellipsoid index E | Roundness level/grain | | Max | Min | Average | Standard deviation | Sharp angular | Angular | Subangular | Subrounded | Rounded | Rotund |
| | Granite | 20 | 0.91 | 0.69 | 0.85 | 0.0451 | 1 | 4 | 11 | 3 | 1 | 0 | | Basalt | 20 | 0.88 | 0.67 | 0.83 | 0.0467 | 1 | 12 | 6 | 1 | 0 | 0 | | Limestone | 20 | 0.89 | 0.68 | 0.81 | 0.0563 | 1 | 7 | 11 | 1 | 0 | 0 |
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