Building Materials - Engineering
Q1: Ultimate strength to cement is provided byA
Tricalcium silicate
B
Di-calcium silicate
C
Tri-calcium aluminate
D
Tetra calcium alumino ferrite.
ANS:B - Di-calcium silicate Dicalcium Silicate (C2S): This compound will undergo reaction slowly. It is responsible for the ultimate strength of concrete. This is also called as Belite. The heat of hydration is 260 J/Cal. Its proportion is 25 - 40%. |
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