The evaluation of upper and lower bounds of the plastic limit state of frame structures using the upper bound theorem

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Title:	The evaluation of upper and lower bounds of the plastic limit state of frame structures using the upper bound theorem; Càlcul de la cota superior i inferior de l’estat límit plàstic d’un pòrtic utilitzant el teorema de la cota superior
Author:	Pons Fedelich, Rafel
Other authors:	Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada III; Bonet Carbonell, Javier; Fernández Méndez, Sonia
Abstract:	The aim of the thesis is to find the ultimate load of a frame structure under the assumption of perfect rigid plasticity. This is known as the limit state of the structure and forms the basis of modern design procedures and codes of practice. Nowadays, all modern codes of design of structures are based on limit state analysis. Two well kwnown theorems govern this type of analysis, namely the lower bound theorem, for which the problem variables are generalized stresses and the upper bound theorem, for which the unknowns are displacements and permits a similar treatment than traditional elastic analysis.
Subject(s):	-Àrees temàtiques de la UPC::Enginyeria civil::Materials i estructures -Àrees temàtiques de la UPC::Enginyeria civil -Àrees temàtiques de la UPC::Matemàtiques i estadística -Estructures, Teoria de les -Elasticitat -Plasticitat
Rights:	Attribution-NonCommercial-NoDerivs 3.0 Spain http://creativecommons.org/licenses/by-nc-nd/3.0/es/
Document type:	Bachelor Thesis
Published by:	Universitat Politècnica de Catalunya
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