Research Article

Predicting the Permeability of Pervious Concrete Based on the Beetle Antennae Search Algorithm and Random Forest Model

Table 2

Physical properties of coarse aggregate.

AggregatesSize (mm)Apparent density (kg/m3)Bulk density (kg/m3)

G12.36–4.7527871406
G24.75–9.5028441513
G39.50–13.228401537