Civil Engineering - GATE Exam Questions - Discussion

46. 

The characteristic strength of concrete is defined as that compressive strength below which not more than

[A]. 10% of results fall
[B]. 5% of results fall
[C]. 2% of results fall
[D]. None of the above.

Answer: Option B

Explanation:

No answer description available for this question.

Ovizit Saha said: (Jul 12, 2017)  
Explain it please.

Beauty said: (Mar 23, 2018)  
Please give explanation.

Ranganadh said: (Apr 28, 2018)  
Compressive Strength.

The compressive strength of concrete is given in terms of the characteristic compressive strength of 150 mm size cubes tested at 28 days (fck). The characteristic strength is defined as the strength of the concrete below which not more than 5% of the test results are expected to fall.

Sumanta Goswami said: (Dec 22, 2019)  
As per is 456 it is 5%.

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