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International Journal of Concrete Structures and Materials

Table 1 Chemical compositions of raw materials (wt%).

From: Effect of Silica Fume on the Volume Expansion of Metakaolin-Based Geopolymer Considering the Silicon-to-Aluminum Molar Ratio

Constituent

Metakaolin

Silica fume

SiO2

50.37

97.30

Al2O3

43.33

0.06

CaO

0.45

0.09

Fe2O3

2.82

0.19

TiO2

2.29

–

MgO

0.15

0.42

SO3

0.05

0.9

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