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International Journal of Concrete Structures and Materials

Table 2 Chemical compositions of fly ash.

From: Investigating Various Factors Affecting the Long-Term Compressive Strength of Heat-Cured Fly Ash Geopolymer Concrete and the Use of Orthogonal Experimental Design Method

Chemical composition

SiO2

Al2O3

CaO

Fe2O3

MgO

K2O

SO3

TiO2

Na2O

LOIa

Fly ash (%)

50.76

27.32

5.4

4.64

3.72

4.85

2.0

1.16

0.8

2.83

  1. aLoss on ignition.
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