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RCC Structures Design - Engineering

Q1:

The effective width of a column strip of a flat slab, is

A one-fourth the width of the panel

B half the width of the panel

C radius of the column

D diameter of the column

E none of these.

ANS:B - half the width of the panel

According to IS 456.

31.1.1 For the purpose of this clause, the followingdefinitions shall apply:

a) Column strip - Column strip means a design strip having a width of 0.25 L2, but not greater than 0.25 L1 each side of the columncentre- line, where L1 is the span in the direction moments are being determined, measured centre tocentre of supports and' L2 is th span transverse to measured centre to centre of supports.