  Permeable pavement material can benefit urban environment. Here in this work,
different aggregate sizes and mix proportions were used to manufacture pervious
pavement concrete and investigate correlations among its properties. The
porosity, permeability, compressive strength, inner structure, thermal
conductivity, and abrasion resistance of the specimens were obtained. Results
showed lower aggregate-to-cement ratios and higher water-to-cement ratios led
to porosity reduction, which decreased the permeability coefficient but
increased the compressive strength, thermal conductivity, and abrasion
resistance of the pervious concrete. Compared to the mixes, the aggregate sizes
affected the physical properties of pervious concrete less. However, the sizes
of pores and cement in the pervious concrete were more affected by aggregate
sizes than by mixes. Moreover, the porosity, permeability coefficient, and
compressive strength of the pervious concrete can be correlated by the power
law, whereas the correlation between the porosity and abrasion resistance index
can be fitted by a linear law.
