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International Journal of Concrete Structures and Materials

Table 1 Chemical properties of fly ash, GGBFS, silica fume and metakaolin.

From: Phenomenological Model to Re-proportion the Ambient Cured Geopolymer Compressed Blocks

Binder

Chemical composition (%)

Al2O3

Fe2O3

SiO2

MgO

SO3

Na2O

Total chlorides

CaO

Fly ash-FA1

31.23

1.5

61.12

0.75

0.53

1.35

0.06

3.2

Fly ash-FA2

31.2

2.1

61.5

1.1

1.14

0.91

0.027

1.2

Fly ash-FA3

30.36

3.74

59.34

1.79

0.92

1.04

0.039

1.4

Fly ash-FA4

33.3

2.34

52

1.02

0.65

1.25

0.028

1.84

GGBFS

13.24

0.65

37.21

8.65

0.1

0.9

0.003

37.23

Silica fume

0.06

0.03

97.2

1.1

0.2

0.1

0.02

0.5

Metakaolin

44.5

0.4

51.5

1.35

0.34

0.56

0.39

0.6

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