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
Discussion:
29 comments Page 2 of 3.
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.
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
C is the correct one
Ashish said:
7 years ago
Minimum clear cover for column is 40 mm.
But if size of column is less than 200 mm and diameter of main steel is less than 12mm then clear cover is 25 mm.
But if size of column is less than 200 mm and diameter of main steel is less than 12mm then clear cover is 25 mm.
Srujan said:
7 years ago
IS:456:2000 26.4.2.1 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 than such bar. In the Case of columns, the minimum dimension of 200 mm or under, whose reinforcing bars does not exceed 12 mm, a nominal cover of 25 mm may be used.
Santosh Pawar said:
7 years ago
Option A is correct.
Achyut Paudel said:
10 years ago
Please amend it. Answer should be greater of 40 mm or diameter.
Amrit negi said:
8 years ago
The nominal cover for longitudinal reinforcement bar in a Column shall not be less than any of
1) 40mm
2) the dia of the bar.
In case of small sized columns of minimum dimension of 200mm or under whose reinforcement bars do not exceed 12mm , a nominal cover of 25 mm may be used .
1) 40mm
2) the dia of the bar.
In case of small sized columns of minimum dimension of 200mm or under whose reinforcement bars do not exceed 12mm , a nominal cover of 25 mm may be used .
Jivan said:
8 years ago
Please amend answer its min 40 mm.
Arun said:
8 years ago
The clear cover is not effective.
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