Research Article
Reflection Crack Analysis of Asphalt Overlay on Cement Concrete Pavement Based on XFEM
Table 1
Asphalt mixture aggregate gradation design.
| Aggregate type | Mass percentage (%) through the following sieves (mm) | 16 | 13.2 | 9.5 | 4.75 | 2.36 | 1.18 | 0.6 | 0.3 | 0.15 | 0.075 |
| 1# (11∼16 mm) | 100 | 69.1 | 5.3 | 3.7 | 1.7 | 1.4 | 1.1 | 0.8 | 0.5 | 0.2 | 2# (6∼11 mm) | 100 | 100 | 81.3 | 3.6 | 1.3 | 0.9 | 0.8 | 0.7 | 0.6 | 0.5 | 3# (3∼6 mm) | 100 | 100 | 100 | 80.4 | 9.6 | 4.3 | 3.5 | 2.9 | 2.2 | 1.0 | 4# (0∼3 mm) | 100 | 100 | 100 | 99.8 | 89.1 | 66.9 | 46.8 | 34.9 | 22.2 | 8.4 | Mineral powder | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99.8 | 91.1 | 76.4 | Synthetic gradation | 100 | 95.1 | 80.7 | 59.8 | 41.8 | 31.6 | 23.2 | 18.1 | 12.4 | 6.1 |
|
|