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What should be the min.compressive strength of cc cube
after 7 days testing and 28 days testing for M25 design mix
conc.?pl give idea with relavant is code
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Answer / pk singh
67percent for 7 days
100 percent 0r more for 28 days
is 456 -2000 code is refered
| Is This Answer Correct ? | 41 Yes | 10 No |
Answer / mohammed aaqhil inayath
It depends on the grade of concrete you use. If it is M25
then 65% of the total strength(i.e. 65% of 25 n/mm2)
| Is This Answer Correct ? | 38 Yes | 20 No |
Answer / saumik mallick
After 7 Days the test result will be 67% of the Target Mean
Strength and after 28 days the test result will be 100% or
more than target mean strength.
i.e Target mean Strength (fck')= fck+(1.65*S)=
25+(1.65*5)=33.25 Mpa.
| Is This Answer Correct ? | 16 Yes | 4 No |
Answer / m g patel
First it is depends upon curing peried,when proper curing
then i show 85 percent strength in 7 days and 120 percent
strength in 28 days in m-25 concrete.
| Is This Answer Correct ? | 11 Yes | 5 No |
Answer / kkn
ANY CODE FOR 7DAYS CUBE RESULT,BUT IS 456 ONLY AFETR 28
DAYS ONLY WE CONCLUDE THE STRENTGH
| Is This Answer Correct ? | 7 Yes | 1 No |
Answer / vijay khankra
65 percent Strength for 7 days and
99 percent 0r more for 28 days.....
| Is This Answer Correct ? | 5 Yes | 0 No |
Answer / dantroliya mujtaba
M 15=10 N/mm²
M20=13.5N/mm²
M25=17N/mm²
M30=20N/mm²
| Is This Answer Correct ? | 3 Yes | 1 No |
Answer / viren lagwal
after 7 days strength of cc cube is 17n/sq.mm and after 28 25 n/sq.mm
| Is This Answer Correct ? | 1 Yes | 0 No |
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