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To buy  foam concrete machine in india,foam concrete machinery india,foam concrete machinery suppliers in india,foam generator in india,gujarat,noida,pune,maharastra,rajasthan,delhi,mumbai,banglore,goa,utter pradesh,andhra pradesh

visit:www.sourceinfratech.com
mobile number:09966871942
mail id:sourceinfratech.info@gmail.com


                                         COVER BLOCKS

1)protects the reinforcement steel from corrsing due to atmosphere
 2) maintaining the effective depth in the moment of resistance caliculation


preparation of cover blocks:-

1)cover blocks of prepared by mixing the cement and sand in the ratio 1:4

2) the cover blocks thickness may be varies according to requirement. the blocks may be square or circular. for columns blocks should be made hole in the center to tag longitudinal steel in the column with the binging wire.

3) the blocks should have enough strength to with stand the loads of the steel above.

sizes of cover blocks:-

beams:- at each end of the bar not less than the 25mm
bottom cover not less than 25 mm

column:- not less than the 40 mm for normal use

2) 50 mm used for coastal areas.

slab:- end cover not less than 25 mm

bottom cover 50 mm
side cover 50 mm

Comments

  1. arohi patil26 July 2019 at 02:17

    Nice post thanks for sharing.
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