Civil Engineering - RCC Structures Design - Discussion

Discussion Forum : RCC Structures Design - Section 3 (Q.No. 33)
33.
The minimum clear cover for R.C.C. columns shall be
greater of 40 mm or diameter
smaller of 40 mm or diameter
greater of 25 mm or diameter
smaller of 25 mm or diameter
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
29 comments Page 1 of 3.

VIKRANT SYAL said:   7 months ago
A is the right answer the cc of the column lies between 40-50mm.

Nawaz Khan said:   3 years ago
It is a minimum clear cover. So the given answer is right.

MJM GCEKALAHANDI said:   4 years ago
As per IS 456, both A and C can be the answer.
(1)

Geetu said:   5 years ago
Option A is the correct Answer.

Rahul Rupen said:   5 years ago
Option C is right when its least dimension is less than 200mm.

And option A is also right when its least dimension is greater than 200mm.

Omid said:   6 years ago
For slab 15mm.
For beam 25mm.
For column 40mm.
(1)

Nishu said:   6 years ago
Option C is correct because min dia has been asked. So b/w 40 & 25, 25 is the minimum one.

Roy said:   6 years ago
Are nominal cover & clear cover both same?

Sam said:   7 years ago
However for a longitudinal reinforcing;

Bar in a column nominal cover shall in any case not be less than 40 mm, or less than the diameter of such bar n the case of columns of the minimum dimension of 200 mm or under, whose reinforcing bars do not exceed 12mm, a nominal cover of 25 mm may be used.

Viru Kapoor said:   7 years ago
As per 26.4.2.1 of Is 456:2000.
C is the correct one


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