Chapter
Apr 26, 2012
Lateral Torsional Buckling of Composite Beams Comparison of More Accurate Methods with Eurocode 4
Publication: Composite Construction in Steel and Concrete IV
Abstract
In Eurocode 4-1 the design bending resistance for distorsional lateral buckling is based on a reduction of the plastic design bending moment. The reduction factor depends on the elastic critical bending moment Mcr. It is shown that the elastic critical bending moment of composite beams can be determined with help of the analogy between the differential equilibrium equations of the compression member on elastic foundation and the lateral torsional buckling problem. Based on this analogy a new method for the determination of elastic critical bending moment is derived and compared with the method given in Eurocode 4-1.
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Published In
Composite Construction in Steel and Concrete IV
Pages: 105 - 116
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© 2002 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Gerhard Hanswille
Professor, University of Wuppertal, Institute of Steel and Composite Structures, Pauluskirchstr. 7, 42285 Wuppertal, Germany
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.