1. Civil Engineering
  2. Concrete Technology and Design
  3. The strength of concrete after one year ...
Q.

The strength of concrete after one year as compared to 28 days strength is about

A. 10 to 15% more
B. 15 to 20% more
C. 20 to 25% more
D. 25 to 50% more
Answer» C. 20 to 25% more

Discussion