Table 6 Percentage increase of compressive strength development at early and later ages for all geopolymer concrete mixes.

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

Group

Mix Designation

AAS

Strength Development

1d-7d ( %)a

7d-28d ( %)b

A

G100S0

1.5

32.9

10.6

G75S25

1.5

17.2

11.2

G50S50

1.5

10.5

32.5

G25S75

1.5

21.7

51.9

G0S100

1.5

36.8

73.1

B

G100S0

2.0

14.1

28.4

G75S25

2.0

13.3

16.6

G50S50

2.0

25.2

26.0

G25S75

2.0

130.0

63.0

G0S100

2.0

63.2

138.7

  1. aIncrease in \({\text{f}}_{\text{cu}}\) from 1 to 7 days denoted as early age.
  2. bIncrease in \({\text{f}}_{\text{cu}}\) from 7 to 28 days denoted as later age.
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