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Journal of Infrastructure Preservation and Resilience

Table 1 Chemical compositions of cement, FA and GGBS (% by weight)

From: Deterioration mechanism of steam-cured concrete subjected to coupled environmental acid and drying action

Composition

Cement

Fly ash

Slag

SiO2

20.76

55.25

31.01

Al2O3

4.50

26.86

14.95

Fe2O3

3.25

5.58

0.31

CaO

62.26

2.71

37.39

MgO

2.91

1.03

9.44

Na2O

–

0.86

–

K2O

–

2.43

0.46

Na2Oeq

0.55

–

–

SO3

2.81

–

–

f-CaO

0.70

–

–

LOI

1.93

2.90

4.00

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