Table 7 The cube (\({f}_{cu}\)) and cylinder (\({f}_{c}{\prime}\)) compressive strength at 28 days for all mixes.

From: Effect of blending GGBS and silica fume on the mechanical properties of geopolymer concrete

Group

Mix Designation

AAS

28-day Compressive Strength (MPa)

\({f}_{c}{\prime}\)

\({f}_{cu}\)

\({f}_{c}{\prime}/{f}_{cu}\)

A

G100S0

1.5

8.2

20.8

0.39

G75S25

1.5

8.8

21.5

0.41

G50S50

1.5

11.6

27.8

0.42

G25S75

1.5

7.3

16.3

0.45

G0S100

1.5

3.9

7.5

0.52

B

G100S0

2.0

12.9

34.7

0.37

G75S25

2.0

13.1

28.2

0.47

G50S50

2.0

7.4

16.2

0.46

G25S75

2.0

3.7

12.5

0.30

G0S100

2.0

3.0

12.3

0.24