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Friday, June 23, 2017

Different types of clear cover in reinforcement concrete

This construction video tutorial provides brief instructions on how to arrange clear cover in different areas in proper quantities in reinforcement concrete. It is dependent on the exposure condition and fire resistance.
Clear Cover stands for the minimum distance among the surface of embedded reinforcement and the exterior surface of the concrete (ACI 130). The depth of clear cover is calculated with a cover meter.
Given below the details of clear cover :-
For water retaining structures – The clear cover should vary from 20 mm to 30 mm
For flat slab – The clear cover should be 20 mm
For slab – The clear cover will be 15 mm
For column – The clear cover should have been 40 mm
For strap beam – The clear cover should be 50 mm

For raft foundation at bottom – The clear cover should be 75 mm
For shear wall – The clear cover should be 25 mm
For footing – The clear cover should be 50 mm
For staircase – The clear cover should be 15 mm


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Published By
Rajib Dey
www.constructioncost.co

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