what is the requierd compressive strenth for m 20 grade concreat for
7 days?
Answers were Sorted based on User's Feedback
Answer / jaswinder singh
it is not less than 60% means that it come near about 12kn/mm
Is This Answer Correct ? | 7 Yes | 1 No |
Answer / ashish sharma
its about 65% of 28 days compressive strength of concrete.
So for 7 days its about 13n/mm2.
Is This Answer Correct ? | 3 Yes | 0 No |
Answer / fm irfan
7 days compressive strength should be more then 2/3 of the
M 20 grade concrete that is may be more then 14 MPa(Mega
pascal).....
Is This Answer Correct ? | 2 Yes | 0 No |
Answer / samyak jain
7 days compressive strength of concrete would not be less than 67% and it will be 13.5mpa
Is This Answer Correct ? | 2 Yes | 0 No |
Answer / aabid
M20 grade of concrete 7 days strength 13.2 kN/ m3 is gain.
Is This Answer Correct ? | 0 Yes | 0 No |
Answer / eng. mohd noor salleh
75% of 20kn/m2 is required, i.e= 15kn/m2
Is This Answer Correct ? | 0 Yes | 3 No |
Answer / sjtbehera
as per Is code- 456-2000 for M20 concete 7days strength
175kg/sqcm or 17.5 kn/sqmm
Is This Answer Correct ? | 0 Yes | 3 No |
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