Civil Engineering - Building Materials - Discussion


Sea sand used in structures causes

[A]. dampness
[B]. efflorescence
[C]. disintegration
[D]. All of these.

Answer: Option D


No answer description available for this question.

Hariprem said: (Jul 28, 2017)  
What is meant by efflorescence?

Raj said: (Feb 18, 2018)  
Efflorescence is the white powdery substance on the surfaces of unsealed concrete and the white blush seen with sealed floors. Efflorescence is caused by vapor migrating through the slab bringing soluble salts to the surface of the concrete.

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