Euler buckling stress fcc is given by(a) (π^2E)/(KL/r)^2(b) (π^2E KL/r)^2(c) (π^2E)/(KL/r)(d) (π^2E)/(KLr)^2I got this question during an interview.The origin of the question is Design of Compression Members in chapter Design of Compression Members of Design of Steel Structures

Euler buckling stress fcc is given by(a) (π^2E)/(KL/r)^2(b) (π^2E KL

1.	Euler buckling stress fcc is given by(a) (π^2E)/(KL/r)^2(b) (π^2E KL/r)^2(c) (π^2E)/(KL/r)(d) (π^2E)/(KLr)^2I got this question during an interview.The origin of the question is Design of Compression Members in chapter Design of Compression Members of Design of Steel Structures
Answer» Right answer is (a) (π^2E)/(KL/r)^2 To explain I would say: Euler buckling STRESS fcc is given by fcc = (π^2E)/(KL/r)^2, where E is modulus of ELASTICITY of MATERIAL and KL/r is effective slenderness ratio i.e. ratio of effective length, KL to APPROPRIATE radius of gyration, r.

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