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Ultimate strength design of biaxially loaded steel box beam-columns
AbstractThis paper is concerned with the analysis and design of box beam-columns subjected to axial load applied at biaxial eccentricities. A spread-of-plasticity method to predict the ultimate strength of box beam-columns of compact cross-sections is proposed. The method is then extended to study the behaviour of thin-walled beam-columns in which the effects of local buckling are taken into account in terms of the effective width of the component plates. The analytical results are compared with the corresponding results obtained from experiments carried out by the authors. Design formulae are proposed to predict the ultimate strength of beam-columns of non-compact cross-sections under biaxial loading. Finally, some optimisation results for designing thin-walled beam-columns with minimum weights, satisfying the strength limit state and other design constraints relevant to typical conditions in practice, are provided.
Ultimate strength design of biaxially loaded steel box beam-columns
AbstractThis paper is concerned with the analysis and design of box beam-columns subjected to axial load applied at biaxial eccentricities. A spread-of-plasticity method to predict the ultimate strength of box beam-columns of compact cross-sections is proposed. The method is then extended to study the behaviour of thin-walled beam-columns in which the effects of local buckling are taken into account in terms of the effective width of the component plates. The analytical results are compared with the corresponding results obtained from experiments carried out by the authors. Design formulae are proposed to predict the ultimate strength of beam-columns of non-compact cross-sections under biaxial loading. Finally, some optimisation results for designing thin-walled beam-columns with minimum weights, satisfying the strength limit state and other design constraints relevant to typical conditions in practice, are provided.
Ultimate strength design of biaxially loaded steel box beam-columns
Shanmugam, N.E. (author) / Liew, J.Y.Richard (author) / Lee, S.L. (author)
Journal of Constructional Steel Research ; 26 ; 99-123
1993-01-01
25 pages
Article (Journal)
Electronic Resource
English
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