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what is the compresive strength of m20 concrete at 7 day
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Answer Posted / ranjan
M20 7 days strength
Ft = t
-------- x f28 f28 is strength of 28 days
a+bt
a & b are imperial constants
a = 4.70
b= 0.833
given formula f 7 = 7
------------ x 20
4.7+.833 x 7
=0.665 x 20
=13.3
| Is This Answer Correct ? | 9 Yes | 3 No |
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