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Theory of Structures - Engineering

Q1:

The ratio of crippling loads of a column having both the ends fixed to the column having both the ends hinged, is

A 1

B 2

C 3

D 4

ANS:D - 4

Both end Fixed = L.eff = L/2,
Both end Hinged = L.eff = L,
Crippling Load = (π^2EI)/(L. eff)^2.

Putting values of L. eff in above formula.

The Answer is 4.