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

Answers were Sorted based on User's Feedback



What should be the min.compressive strength of cc cube after 7 days testing and 28 days testing fo..

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

What should be the min.compressive strength of cc cube after 7 days testing and 28 days testing fo..

Answer / muthu kumar

70% of the 25N/mm2.......

Is This Answer Correct ?    30 Yes 9 No

What should be the min.compressive strength of cc cube after 7 days testing and 28 days testing fo..

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

What should be the min.compressive strength of cc cube after 7 days testing and 28 days testing fo..

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

What should be the min.compressive strength of cc cube after 7 days testing and 28 days testing fo..

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

What should be the min.compressive strength of cc cube after 7 days testing and 28 days testing fo..

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

What should be the min.compressive strength of cc cube after 7 days testing and 28 days testing fo..

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

What should be the min.compressive strength of cc cube after 7 days testing and 28 days testing fo..

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

What should be the min.compressive strength of cc cube after 7 days testing and 28 days testing fo..

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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