Research Article

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

Table 3

Results of limestone ore powder test.

ProjectUnitTest resultsRequirements

Apparent densityg/cm32.716≥2.50
Size range
 <0.6 mm%100100
 <0.15 mm%94.590∼100
 <0.075 mm%9075∼100
Water content%0.41≤1
Plasticity index2<4
Hydrophilic coefficient0.5<1
ExteriorNo agglomerationNo agglomeration