Shear deformation effect in flexural-torsional buckling analysis of beams of arbitrary cross section by BEM

2010 ◽  
Vol 35 (2) ◽  
pp. 141-173 ◽  
Author(s):  
E.J. Sapountzakis ◽  
J.A. Dourakopoulos
Keyword(s):  
Shear Deformation ◽  
Cross Section ◽  
Arbitrary Cross Section ◽  
Buckling Analysis ◽  
Torsional Buckling ◽  
Deformation Effect ◽  
Flexural Torsional Buckling

Thin-Walled Cold-Formed Steel Beams with Holes in Lateral Flexural-Torsional Buckling

2013 ◽  
Vol 743 ◽  
pp. 170-175 ◽  
Author(s):  
Marcela Karmazínová ◽  
Jindrich Melcher ◽  
Martin Horáček
Keyword(s):  
Cross Section ◽  
Stability Problem ◽  
Design Procedure ◽  
Steel Structures ◽  
Torsional Stiffness ◽  
Steel Beams ◽  
Torsional Buckling ◽  
Cold Formed Steel ◽  
Thin Walled ◽  
Flexural Torsional Buckling

In this paper the study on lateral flexural-torsional buckling of steel sigma-cross-section beams with web holes will be presented. The analysis of corresponding stability problem is based on general approach derived for a group of beams including at least mono-symmetric sections loaded transversally to their plane of symmetry. The effective flexural and torsional stiffness of steel beams with holes has been verified by tests. The results of theoretical analysis were compared with specification design procedure and also with actual behaviour of set of beams investigated by experiments. The study conclusions aim to become the background of the supplements to specified provisions for the design of steel structures.

Lateral buckling analysis of beams of arbitrary cross section by BEM

2009 ◽  
Vol 45 (1) ◽  
pp. 11-21 ◽  
Author(s):  
Evangelos John Sapountzakis ◽  
John Andrew Dourakopoulos
Keyword(s):  
Cross Section ◽  
Arbitrary Cross Section ◽  
Buckling Analysis ◽  
Lateral Buckling
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