Portland cement is a complex mixture of calcium silicates and aluminates. To ensure high quality and appropriate strength characteristics, which compound typically constitutes the highest mass percent

Question

Portland cement is a complex mixture of calcium silicates and aluminates. To ensure high quality and appropriate strength characteristics, which compound typically constitutes the highest mass percentage ($\approx 51\%$) in the cement clinker?

Prashant Kotian · Accepted Answer

Correct answer: C. Tricalcium silicate () makes up the largest fraction of Portland cement (approx 51%) and is primarily responsible for the rapid development of the concrete's early strength.

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