Civil Engineering - Concrete Technology - Discussion
Discussion Forum : Concrete Technology - Section 2 (Q.No. 19)
19.
ISI has specified full strength of concrete after
Discussion:
54 comments Page 4 of 6.
Amit said:
7 years ago
It should be after 35 days.
Amit Kumar said:
7 years ago
I know full strength of concrete gain after 28 days.
Sujeet dubey said:
7 years ago
For testing of cube = 28 day
For concrete strength total in 3 year.
Because 28-day strength of concrete is 90%.
And 3-year strength 98-99%.
For concrete strength total in 3 year.
Because 28-day strength of concrete is 90%.
And 3-year strength 98-99%.
NANU said:
7 years ago
I have a confusion about 100% compressive strength after 1 year and 3 years.
Please tell me surely with proof.
Please tell me surely with proof.
Bharat bhardwaj said:
7 years ago
The Correct answer is 28 days.
Anmol said:
7 years ago
After 28 days, concrete attains 75% of the ultimate strength of 1 year. And it takes 3 years to attain 100% strength.
KuldeeP said:
7 years ago
Normally 28 days is correct.
Er.S.Kesavan said:
7 years ago
28 days is the correct answer.
Jaspreet said:
7 years ago
The full strength of concrete is getul upto 98% after 1 year and at 28 days 70% approximately.
Rakesh said:
7 years ago
7days --> 65%,
14days--> 90%,
28 days--> 98%(maximum can be used for calculation).
14days--> 90%,
28 days--> 98%(maximum can be used for calculation).
(1)
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