Question

If there is continuous supply of H2O to the concrete during hydration, concrete expands due to absorption of water by the cement gel.

(a) True

(b) False

I had been asked this question in an interview for job.

The above asked question is from Types of Shrinkage in chapter Elasticity, Creep and Shrinkage of Concrete Technology

Answer 1

The correct option is (a) True

The explanation: If there is continuous supply of H2O to the concrete during hydration, concrete expands due to absorption of water by the cement gel and it is known as swelling.