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Table 4 Porosity results measured with the water absorption (Archimedes’) method and CT scan and water permeability results.

From: Characteristics of GGBFS-Based Pervious Concrete Considering Rheological Properties of the Binder

Specimen

Target porosity (%)

Porosity (%)

Permeability (mm/s)

Archimedes’

CT Scan

ASTM

EN

Falling head

EN vertical

EN horizontal

G100

15

15.7

15.4

1.45

1.28

0.16

1.58

C40G60

15

14.2

10.4

1.12

1.03

0.17

1.65

C100

15

14.6

10.8

0.89

1.27

0.15

1.60

G100

10

12.1

7.6

0.30

0.35

0.05

0.37

C40G60

10

11.6

8.9

0.35

0.60

0.08

0.37

C100

10

11.84

8.5

0.25

0.87

0.08

0.40