@article{20171803630251 ,
language = {English},
copyright = {Compilation and indexing terms, Copyright 2023 Elsevier Inc.},
copyright = {Compendex},
title = {Elastic stability of U-shaped members in bending considering pre-buckling displacements},
journal = {Journal of Constructional Steel Research},
author = {Beyer, Andre and Boissonnade, Nicolas and Khelil, Abdelhouahab and Bureau, Alain},
volume = {135},
year = {2017},
pages = {230 - 241},
issn = {0143974X},
abstract = {The present paper describes a theoretical study on the effect of pre-buckling displacements on the elastic instability of U-shaped members. Expressions for the elastic critical bending moments under mono-axial bending and the elastic critical load amplification factor for the case of bi-axial bending are derived and validated through elastic geometrically non-linear analysis including a geometric imperfection. It will be shown that pre-buckling displacements have a non-negligible influence on the behaviour of U-shaped members, especially when subjected to minor-axis and bi-axial bending. It will be shown that, contrariwise to the natural feeling, U-shaped members under minor-axis bending may, in some cases, be sensitive to elastic instability (lateral-torsional buckling). Moreover, the validated analytical expressions show that shorter members are more sensitive to elastic instability under minor-axis bending than their longer counterparts!<br/> &copy; 2017 Elsevier Ltd},
key = {Buckling},
keywords = {Stability;},
note = {Analytical expressions;Buckling effects;Critical bending moment;Geometric imperfection;Geometrically non-linear analysis;Lateral-torsional buckling;Member stability;U-shaped;},
URL = {http://dx.doi.org/10.1016/j.jcsr.2017.04.011},
}

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