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Advances in Civil Engineering
/
2020
/
Article
/
Tab 2
/
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.
Aggregates
Size (mm)
Apparent density (kg/m
3
)
Bulk density (kg/m
3
)
G
1
2.36–4.75
2787
1406
G
2
4.75–9.50
2844
1513
G
3
9.50–13.2
2840
1537