Nana Krauberger in Sebastjan Bratina in Miran Saje in Simon Schnabl in Igor Planinc (2012) Inelastic buckling load of a locally weakened reinforced concrete column. Engineering Structures, 34 . str. 278-288. ISSN 0141-0296
Povzetek
This paper presents a mathematical model for investigating the buckling of geometrically perfect, materially and kinematically non-linear, locally weakened reinforced concrete columns. The present analytical model is based on the linearized stability theory and is capable of predicting exact buckling loads. Based on a systematic parametric analysis, the effects of the weakness location, its magnitude, the number of weaknesses and the material non-linearity of concrete and reinforcing steel on buckling loads have been investigated. The results are given in terms of graphs showing in detail that the material non-linearity of concrete and reinforcing steel and the local weaknesses have a significant influence on the buckling load. (C) 2011 Elsevier Ltd. All rights reserved.
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