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why the compressive strength of concrete is calculated only after 28 days.why not after 25, 26,27 days..
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Answer Posted / silpa
Cube Size=150 mmX 150 MM
Area = 22.5 Sqm.
Stress = Load / Area E
Eg : 600/22.5=26.26 N/mm
| Is This Answer Correct ? | 2 Yes | 10 No |
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