Question

The effective length of a column in a reinforced concrete building frame, as per
IS : 456-2000, is independent of the

• A. frame type, i.e., braced (no sway) or unbraced (with sway)
• B. span of the beam
• C. height of the column
• D. Loads acting on the frame

Answer 1

The correct option is D Loads acting on the frame

The effective length of column in reinforced concrete building frame is given by
$L_e=K.L$
where, L = unsupported length and value 'k' depneds upon

(i) flexural rigidity of beam
(ii) flexural rigidity of column
(iii) frame type i.e., sway or non-sway