what is the cover used for footings, columns, beams ??? why they differ &

what is the cover used for footings, columns, beams ??? why
they differ & how they arrive??

Question Posted / lakshman

4 Answers
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what is the cover used for footings, columns, beams ??? why they differ & how they arrive??..

Answer / prakash

For Footing 50mm
Column 40mm
beam 25mm
slab 15mm

They arrieved as exposure condition.

Is This Answer Correct ?

43 Yes

4 No

what is the cover used for footings, columns, beams ??? why they differ & how they arrive??..

Answer / dinesh koli

Footing/raft side-75mm top & bottom-50mm
Colmn below gr.level-65mm
Column above gr.level-40mm
Plinth beam top, bottom, side-50mm
floor beam top-25mm, bottom-40mm, side beam>150mm-40mm beam <150mm-25mm
floor slab top & bottom-20mm

Is This Answer Correct ?

4 Yes

1 No

what is the cover used for footings, columns, beams ??? why they differ & how they arrive??..

Answer / sreenivas chitrala

For Footing 50mm
Column 40mm
Beam 20mm
Slab 15mm

Is This Answer Correct ?

5 Yes

3 No

what is the cover used for footings, columns, beams ??? why they differ & how they arrive??..

Answer / bala

According to Nominal cover as per IS 456:2000 The Exposure
condition matters,
For condition
Mild - 20mm
Moderate - 30mm
severe - 45mm
very severe- 50mm
& Extreme - 75mm

so for
Footing - 75mm
Column& Beam - 45mm

Is This Answer Correct ?

10 Yes

10 No

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