Clear cover of Concrete As per ACI Code

Clear cover of Concrete As per ACI Code

Clear Cover: Clear cover can be defined as the clear distance between the surface of the concrete and surface of the rebar.

Clear cover of Concrete As per ACI Code

Requirement of Clear Cover:
Clear cover is provided to protect the reinforcement from the phenomenon called corrosion and to provide fire resistance to bars embedded in concrete.
Clear Cover for  Different RCC Components:   
Clear Cover according to ACI 318 Code for plane concrete is-

 Description Clear Cover, inch
 Concrete cast against and permanently exposed to earth  
 3 
 Concrete exposed to earth or weather:
No. 06 through No.18 bar
No.05 bar and wire
 


 2
 1.5
 Concrete not exposed to weather or in contact with ground:
 Slabs, walls, joists:
No.14 and No.18 bars
No. 11 bars and smaller

 


 1.5
 0.75
Beams, Column

 1.5
 Shells, folded plate members
No.6 bars and larger
No.05 bars and smaller 


 0.75
 0.50

You may like this: Slump Test of Concrete

No comments:

Post a Comment

Lapping in Reinforcement

Lapping in Reinforcement L apping in Reinforcement:  Lapping length of reinforcement is one of the important term in RCC. It is a very confu...