[en] This paper presents the results of a research project analysing some aspects of the stability failure of thin-walled compression members that are likely to exhibit combined global and local buckling. In particular, the influence of various imperfections, namely residual stresses due to welding and local as well as global geometrical defects, on the load-carrying capacity was Subjected to detailed experimental and numerical investigations. The insights obtained into the structural behaviour led to a proposal for modification of the non-dimensional slenderness used in the global buckling verification, and to the recommendation of a shift from the Currently applied European buckling curve to a more favourable one in the case of non-stiffened members with welded box sections subjected to pure compression. (C) 2008 Elsevier Ltd. All rights reserved.
Disciplines :
Civil engineering
Author, co-author :
Degée, Hervé ; Université de Liège - ULiège > Département ArGEnCo > Département ArGEnCo
Detzel, Annette
Kuhlmann, Ulrike
Language :
English
Title :
Interaction of global and local buckling in welded RHS compression members
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