Research Article

Study on Permeability and Blocking Resistance of Composite Specimen with Double-Layer Permeable Asphalt Mixture

Table 5

Gradations of permeable asphalt mixture.

NumberMix typeTarget porosity (%)The percentage of mass passing through the following sieve holes (%)
191613.29.54.752.361.180.60.30.150.075

1PAC-10201001001009050137.66.55.554
222100100100905011.364.74.74.74
32410010010090501064.13.33.32.3

4PAC-1622100907045121064.33.83.83