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Lateral-distortional buckling of beams with hollow flanges and folded plate webs
Engineering Structures, 2018Abstract This paper is concerned with the effects of distortion on the lateral buckling of steel beams which have rectangular or square hollow flanges and folded plate webs. The hollow flanges potentially make very large contributions to the torsional stiffness, but flange distortion (in a shear mode) causes a significant reduction in the effective ...
N.S. Trahair, J.P. Papangelis
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Inelastic lateral-distortional buckling of continuously restrained continuous beams
Steel and Composite Structures, 2005The inelastic buckling behaviour of continuously restrained two and three-span continuous beams subjected to concentrated loads and uniformly distributed loads are studied in this paper. The restraint type considered in this paper is fully restrained against translation and elastic twist applied at the top flange.
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Lateral distortional buckling of monosymmetric I-beams under distributed vertical load
Thin-Walled Structures, 1996Abstract An energy method is developed for analyzing the lateral buckling behaviour of beams subjected to distributed vertical load, with full allowance for distortion of the web. The paper presents a simple method which uses nonlinear elastic theory to obtain the external work due to buckling, and which obtains a new formulation of total potential ...
M. Ma, O. Hughes
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Numerical Analysis on Lateral Distortional Buckling of Octagonal Castellated Steel Beams
2018A numerical model is suggested to predict the behavior of alveolar beams to multiple octagonal openings up to failure taking into account material and geometric nonlinearities in calculation. This research is interested in the effect of web distortions in a lateral distortional buckling mode of the I-beams on simply supported subjected to a load ...
M. Mimoune, S. Siouane
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International Journal of Structural Stability and Dynamics, 2019
Great attention has been given in the last few years to steel–concrete composite beams due to the gains in strength that can be obtained with the small cost of installing a shear connection between the steel profile and the concrete slab. In continuous and semicontinuous composite beams close to the internal supports, hogging bending moments are ...
João Victor Fragoso Dias +3 more
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Great attention has been given in the last few years to steel–concrete composite beams due to the gains in strength that can be obtained with the small cost of installing a shear connection between the steel profile and the concrete slab. In continuous and semicontinuous composite beams close to the internal supports, hogging bending moments are ...
João Victor Fragoso Dias +3 more
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The Effect of Transverse Stresses in Web on the Lateral-Distortional Buckling of Curved I-Beams
International Journal of Structural Stability and DynamicsLateral-distortional buckling of framed structures and curved beams made of I-sections may be significantly overestimated or underestimated if the influence of the loading position of transverse forces is neglected. In this regard, this paper introduces a novel beam element that incorporates warping-distortional coupling effects and features nine ...
L. Liu, Y. Z. Liu
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Numerical investigation on behaviour of castellated steel beam in lateral distortional buckling
Materials Today: Proceedings, 2022T. Muhammed Jasir, Manu P. Raj
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Finite element formulation for distortional lateral buckling of I-beams
Engineering Structures, 2022Ramin Arizou, Magdi Mohareb
exaly