Flexural buckling
Structural instability of bars

Article REF: C2511 V1

Flexural buckling
Structural instability of bars

Author : René MAQUOI

Publication date: May 10, 2009, Review date: February 16, 2015 | Lire en français

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3. Flexural buckling

3.1 Elastic critical load

An ideal column with a uniform doubly symmetrical cross-section and axially loaded at its ends in compression can buckle by bending around one of the main axes of its cross-section under an elastic critical load, also known as the "Euler critical load":

P_{c r} = \frac{π^{2} E l}{{(α L)}^{2}}

^( 1 )

with :

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Flexural buckling

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Torsional and flexural-torsional buckling

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References

(1) - TIMOSHENKO (S.P.), GERE (J.M.) - Theory of Elastic Stability - McGraw-Hill, New York (1961).
(2) - REIS (A.), CAMOTIM (D.) - Estabilidade Estrutural - McGraw-Hill, New-York (2000).
(3)...

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