Different
Types of Cover Block Use at Construction Site!
Cover Block: -
- Cover block shall be provided
to keep the bars in position.
- Cover block shall be same grade of concrete as that of concrete member in which cover block are placed.
- It shall be not less than the diameter of the reinforcement bar.
Clear cover to all reinforcement shall be as follows:
1. Slabs = 20 mm or dia. of bar whichever is greater.
2. Beam
, (Stirrups/Link) = 25 mm
3.
R.C.C Wall (General)
·
Vertical Bar (Inner face) = 25mm.
·
Vertical Bar (Earth face) = 40mm
4. Footings
= 50 mm
5. Raft
· Top
= 50 mm
· Bottom
= 60 mm
6.
Column / Boundary Elements :
40
mm to main bar
· Face more than 230 mm
40 mm to Ties /Link
7. Water
Tank and STP Walls
·
Water face/Earth face = 40 mm
·
Dry Face = 25 mm
8. STICH
SLAB
·
Top = 25 mm or Dia of bar whichever is
greater.
·
Bottom= 40 mm
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