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Behaviour and ultimate load estimates for thin-walled trussed plane frames
Abstract The elastic non-linear buckling behaviour and collapse of trussed plane frames having cold-formed steel members are analysed via FEM models. Local buckling interaction at a section level between the thin walls of a member is taken into account through the effective width approach. Interaction between this local and Euler buckling mode is also considered in the analysis. The solution of the resulting non-linear equations is sought by a hybrid numerical scheme that makes use of both incremental-iterative plus secant methods. Large-span thin-walled trusses are analysed and the resulting non-linear behaviour and associated ultimate loads are critically examined in the light of conventional elastic calculations and predictions from existing design codes. Correlations with experimental results for pin-ended columns with slender cross-sections are also presented to back up the results found for trussed plane frames.
Behaviour and ultimate load estimates for thin-walled trussed plane frames
Abstract The elastic non-linear buckling behaviour and collapse of trussed plane frames having cold-formed steel members are analysed via FEM models. Local buckling interaction at a section level between the thin walls of a member is taken into account through the effective width approach. Interaction between this local and Euler buckling mode is also considered in the analysis. The solution of the resulting non-linear equations is sought by a hybrid numerical scheme that makes use of both incremental-iterative plus secant methods. Large-span thin-walled trusses are analysed and the resulting non-linear behaviour and associated ultimate loads are critically examined in the light of conventional elastic calculations and predictions from existing design codes. Correlations with experimental results for pin-ended columns with slender cross-sections are also presented to back up the results found for trussed plane frames.
Behaviour and ultimate load estimates for thin-walled trussed plane frames
Batista, R.C. (author) / Batista, E.M. (author)
Thin-Walled Structures ; 14 ; 265-278
1991-12-10
14 pages
Article (Journal)
Electronic Resource
English
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