How much Strength of the cube can attain in 7days
comparative 28 days strength?(as per IS code) ( specify the
ref.clause also)

Answers were Sorted based on User's Feedback



How much Strength of the cube can attain in 7days comparative 28 days strength?(as per IS code) ( s..

Answer / asif

After 7 days it should achieve 70% strength, and after 28 days it should achieve 120% strength.

Is This Answer Correct ?    27 Yes 8 No

How much Strength of the cube can attain in 7days comparative 28 days strength?(as per IS code) ( s..

Answer / kumaresan

at Seven days, it should be 70% and at 28 days it should be
100%

Is This Answer Correct ?    13 Yes 1 No

How much Strength of the cube can attain in 7days comparative 28 days strength?(as per IS code) ( s..

Answer / shri

at 7 days 2/3 of grade and at 14 days 1/3 of grade

Is This Answer Correct ?    7 Yes 3 No

How much Strength of the cube can attain in 7days comparative 28 days strength?(as per IS code) ( s..

Answer / shalu verma

after 7 days it achieve 70% strenght bt after 28 days it
achieve 85% strenght.

Is This Answer Correct ?    8 Yes 5 No

How much Strength of the cube can attain in 7days comparative 28 days strength?(as per IS code) ( s..

Answer / manoj kumar bhola

AT 7 DAYS STRENGTH WILL BE 67% AND AT 28 DAYS STRENGTH WILL BE 100%

Is This Answer Correct ?    4 Yes 1 No

How much Strength of the cube can attain in 7days comparative 28 days strength?(as per IS code) ( s..

Answer / palavalasa

7 days = 70%
28 days = 95%

Is This Answer Correct ?    2 Yes 1 No

How much Strength of the cube can attain in 7days comparative 28 days strength?(as per IS code) ( s..

Answer / hemanta ku.das.(tuv-sud)

Sp-24,page no-20 ,give this formula to find out the different grade of concrete for different age

t
Ft = ............... *F28
a+ (b*t)

a=4.7,b=0.833. constant
t=time period,(days)
F28=grade of concrete.

Is This Answer Correct ?    1 Yes 0 No

How much Strength of the cube can attain in 7days comparative 28 days strength?(as per IS code) ( s..

Answer / lalit kumar singh

Strength of cube in

07 days - 67%
28days - 85-90 %

Is This Answer Correct ?    0 Yes 0 No

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