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Question
A reduction factor Cr to load carrying capacity for a long column of effective length Le and width b is applied as obtained from following expression:
izHkkoh yEckbZ Le vkSj pkSM+kbZ b okys yEcs LrEHk ds fy, Hkkj ogu {kerk ds fy, ruqdj.k xq.kd Cr dk iz;ksx fuEufyf[kr esa ls fdl vfHkO;fDr xq.kd Cr dk iz;ksx fuEUkfyf[kr esa ls fdl vfHkO;fDr ls izkIr fd;k tkrk gS\
A.
B.
C.
D.
Answer ( Option C)

Solution

According to IS 456:2000 B-3.3

Correction factor

where

            Cr = reduction coefficient

            Ief = effective length of column

            b = least lateral dimension of column; for column with helical reinforcement, b is the diameter of the core

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