Research Article
Study on Permeability and Blocking Resistance of Composite Specimen with Double-Layer Permeable Asphalt Mixture
Table 5
Gradations of permeable asphalt mixture.
| Number | Mix type | Target porosity (%) | The percentage of mass passing through the following sieve holes (%) | 19 | 16 | 13.2 | 9.5 | 4.75 | 2.36 | 1.18 | 0.6 | 0.3 | 0.15 | 0.075 |
| 1 | PAC-10 | 20 | 100 | 100 | 100 | 90 | 50 | 13 | 7.6 | 6.5 | 5.5 | 5 | 4 | 2 | 22 | 100 | 100 | 100 | 90 | 50 | 11.3 | 6 | 4.7 | 4.7 | 4.7 | 4 | 3 | 24 | 100 | 100 | 100 | 90 | 50 | 10 | 6 | 4.1 | 3.3 | 3.3 | 2.3 |
| 4 | PAC-16 | 22 | 100 | 90 | 70 | 45 | 12 | 10 | 6 | 4.3 | 3.8 | 3.8 | 3 |
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