what is the compresive strength of m20 concrete at 7 day
Answers were Sorted based on User's Feedback
Answer / ak mishra
as m20 is specification .as we know compressive strength of
M20 after curing will be 20kn/m2.but after 7 days it will
gain 60% strength..........
Is This Answer Correct ? | 60 Yes | 21 No |
Answer / munish neb
for 7 days: 60 -70%,for 14 days : 80 - 90% , for 28 days : 100 %
for all types of grade
Is This Answer Correct ? | 19 Yes | 2 No |
Answer / nakkeeran.raja
IT SH'D have 2/3 of its strength after 7 days
Is This Answer Correct ? | 19 Yes | 4 No |
Answer / ginikanwa nuga adiele
the concrete must have attained 2/3 of the streght = 13.5-14kn/m2
Is This Answer Correct ? | 11 Yes | 0 No |
Answer / 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 |
Answer / suresh
COMPRESSIVE STRENGTH OF M20 CONCRETE AT 7TH DAY IT SHOULD BE
MORE THAN 80 PERCNTAGE= MORE THAN 160KG/SQCM
Is This Answer Correct ? | 1 Yes | 1 No |
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