Kindly furnish the relation between 7 days strength & 28
days compressive strength of Cement Concrete cubes. Can you
clarify whether the relation gets altered due to WATER-
CEMENT ratio?

Answer Posted / vinaysagar donakanty

The 7 days strength is help you to deshutter the shuttering for slab or beam. According to 7 days results we able co-relate the strength we will achieve the strength at 28 days. The lower W/C higher the strength.

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