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Steel Structure Design - Engineering

Q1:

The critical load for a column of length I hinged at both ends and having flexural rigidity El, is given by

A <img src="/_files/images/civil-engineering/steel-structure-design/95-14-49-1.png">

B

C

D none of these

ANS:A - <img src="/_files/images/civil-engineering/steel-structure-design/95-14-49-1.png">

The critical load =(π^2xEI)/(KL)^2.
Given condition KL = L.