Answer / rakesh mahapatra

Clear cover for concrete structures as per BRITISH
STANDARD(BS)is 25-50mm.

Answer / ratheesh

Clear cover = the distance from the bottom of fibre to
bottom edge of a stirrup.

Answer / navdeep

it should be 2d;
2x12mm=24 mm cover

Answer / ratheesh

Clear cover for
Column - 40mm
Beam - 30mm
Slab - 20mm

Answer / skj

30-50mm bt we are genrally use 40mm

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01. a. Diagram of a slump cone…………… 1 b. Size of Slump Cone…………… 1 c. Volume of a slump cone by av. Dia method…………… 1 d. Volume of a slump cone by av. area method…………… 1 e. Volume of a slump cone by frustrum method …………… 1 f. Angles of slump cone …………… 1 g. Slump measured by slump cone due to…………… 1 h. Slump does not measured by cylinder / cube due to …………… 1 i) ii) i. Slump cone is to be filled in……………………..Layers.

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