Civil Engineering - Concrete Technology - Discussion
Discussion Forum : Concrete Technology - Section 2 (Q.No. 19)
19.
ISI has specified full strength of concrete after
Discussion:
55 comments Page 5 of 6.
Abhi said:
10 years ago
Concrete gain its 95% strength within 28 Day And remaining 5% it gets throughout life of the structure.
Trimzee said:
10 years ago
There are two MCQ's in this manual which is contradictory to each other. One states that ISI specify the full strength of concrete after 28 days, other nullify it,
Kindly mention the correct one.
Kindly mention the correct one.
Tinku rastogi said:
8 years ago
As per 456 code gain by 99.99%full.
Piyush said:
10 years ago
By theoretical the answer is 28 days and by practically in 28 days 98% strength is achieved.
Ravi Bhalerao said:
10 years ago
As per IS 456 the concrete gains it's full strength 100% in 28 days.
AJEET KUMAR said:
10 years ago
As per IS 456 the concrete gains 99% strength in 28 days not 100%.
Jack said:
10 years ago
According to IS 456:2000, Page 16 NOTES, " In the designation of concrete mix M refer to the mix and the number to the specified compressive strength of 150 mm size cube at 28 days, expressed in N/mm2.
i.e. ISI has specified the full strength of concrete after 28days.
i.e. ISI has specified the full strength of concrete after 28days.
Shirin shaikh said:
9 years ago
It should be 28 days.
Akhilesh said:
9 years ago
The correct option is 28 days.
Ali said:
9 years ago
The Correct Answer is 28 days.
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