Table 2 Chemical composition of FA, GGBS, NFA and CS (%).

From: Thermal and mechanical performance of geopolymer concrete with recycled aggregate and copper slag as fine aggregate

Materials

CaO

Al2O3

NiO

SiO2

Fe2O3

MgO

K2O

CuO

TiO2

SO3

LOI*

FA

0.9

28.5

0

65.3

3.1

0.8

0

0

0.8

0.3

0.3

GGBS

34.8

20.06

0

34.7

0.53

6.97

0.54

0

0.67

0.54

1.19

Fine aggregate

0.72

7

0.15

84.97

4.44

0.5

1.55

0.25

0.57

0.24

0.44

Copper slag

0.9

4.54

0.07

35.39

53.25

2.1

0.53

0.9

0.26

1.05

1.01

  1. LOI* = Loss of Ignition.
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