Civil Engineering MCQAE Level Civil Engineering
The main constituent responsible for early strength of Portland cement is
Building MaterialsOriginal practiceMEDIUM
Choose the correct answer
A
Tetracalcium aluminoferrite (C4AF)
B
Dicalcium silicate (C2S)
C
Tricalcium silicate (C3S)
D
Tricalcium aluminate (C3A)
Correct Answer
C. Tricalcium silicate (C3S)
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C3S hydrates comparatively fast and contributes largely to early strength.
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