Civil Engineering - Concrete Technology - Discussion

Discussion Forum : Concrete Technology - Section 2 (Q.No. 19)
19.
ISI has specified full strength of concrete after
7 days
14 days
21 days
28 days
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
54 comments Page 3 of 6.

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.

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%.

Amit Kumar said:   7 years ago
I know full strength of concrete gain after 28 days.

Amit said:   7 years ago
It should be after 35 days.

Babu said:   8 years ago
Please tell me correct answer.

Tinku rastogi said:   8 years ago
As per 456 code gain by 99.99%full.

Er. Amit kumar said:   8 years ago
As per Is 456 concrete gain 99.99% full strength in 28 days.
(1)

Ravinder Poonia said:   8 years ago
Yes, 28 this right answer.

Dibyajyoti borah said:   8 years ago
It should be 28th day.

Rakesh said:   8 years ago
Never ends this process of gain strength.


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