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Master's Dissertation
DOI
10.11606/D.18.2005.tde-29112005-181956
Document
Author
Full name
Pedro Gonçalves de Rezende
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2005
Supervisor
Committee
Munaiar Neto, Jorge (President)
Dias, Antonio Alves
Palermo Junior, Leandro
Title in Portuguese
Análise da resposta numérica de ligações parafusadas em chapas finas e perfis formados a frio
Keywords in Portuguese
análise numérica
ligações parafusadas
perfis de aço formados a frio
Abstract in Portuguese
A utilização de perfis formados a frio na construção metálica no Brasil vem crescendo de forma significativa. Dentro deste mesmo contexto, atenções especiais estão sendo direcionadas às ligações utilizadas neste tipo de perfil, pelo fato de as chapas que as constituem resultarem cada vez mais esbeltas em função da significativa redução na sua espessura (elevada relação largura/espessura). Por esta razão, as ligações em perfis formados a frio têm sido estudadas por pesquisadores, tanto no contexto mundial como no Brasil. Neste sentido, o presente trabalho tem por objetivo realizar estudos relacionados às ligações parafusadas em perfis formados a frio, com vistas a avaliar a resistência e o comportamento destas ligações por meio de modelagem numérica, simulando o comportamento estrutural com a utilização do código de cálculo ANSYS v.6.0, elaborado com base nos Métodos dos Elementos Finitos (MEF). No sentido de avaliar a eficiência e a confiabilidade dos modelos elaborados, os resultados numéricos obtidos foram comparados com resultados experimentais obtidos em ensaios, bem como, comparados com resultados numéricos obtidos utilizando-se outros padrões de modelagem.
Title in English
Analyzes of the numerical answer of the bolted connections of cold-formed steel members
Keywords in English
bolted connections
cold-formed steel members
numerical analysis
Abstract in English
The use of cold-formed steel members in the steel building in Brazil comes growing of significant form. Inside of the same context, special attentions are being directed to the connections used in the cold-formed steel members, or the fact of the sheets used to this kind of steel members result each time more thin. For this reason the connections in cold-formed steel members have been studied for researchers, as much in the worldwide context as in Brazil. The objective of this work is studies the bolted connections in cold-formed steel member to evaluate the resistance and the behavior of these connections by means of numerical modeling, simulating the structural behavior with the use of the code of calculation ANSYS v.6.0, elaborated based on Finite Element Methods. With the objective to evaluate the efficiency and the trustworthiness of the elaborated model, the numerical results where compare with experimental results gotten in assays, as well as, compared with numerical results gotten using other standards of modeling.
 
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Publishing Date
2006-11-09
 
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