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Table 1 Chemical composition and corresponding clinker phases in Taiwan cement

From: Influences of specific ions in groundwater on concrete degradation in subsurface engineered barrier system

Component

Content % by weight

CaO

61.96

SiO2

20.42

Al2O3

4.95

Fe2O3

3.09

MgO

3.29

Na2O + 0.685K2O

Max. 0.6

SO3

2.4

Corresponding clinker component

 Tricalcium silicate (C3S)

49

 Dicalcium silicate (C2S)

21

 Tricalcium aluminate (C3A)

7.9

 Tetracalcium aluminate ferrite (C4AF)

9.4

  1. Abbreviations used as following: C, CaO; S, SiO2; A, Al2O3; F, Fe2O3; H, H2O
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