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Master's Dissertation
DOI
10.11606/D.18.2006.tde-22062006-110301
Document
Author
Full name
Tatianne Iamin Kotinda
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2006
Supervisor
Committee
Munaiar Neto, Jorge (President)
Malite, Maximiliano
Vellasco, Pedro Colmar Gonçalves da Silva
Title in Portuguese
Modelagem numérica de vigas mistas aço-concreto simplesmente apoiadas: ênfase ao estudo da interface laje-viga
Keywords in Portuguese
análise numérica
estruturas de aço
estruturas mistas aço-concreto
vigas mistas aço-concreto
Abstract in Portuguese
Largamente utilizadas nas obras de engenharia civil, as vigas mistas aço-concreto surgem como conseqüência natural da utilização de vigas de aço sob lajes de concreto, proporcionando um melhor aproveitamento das características de cada material constituinte. Para que se comporte como um elemento misto, é necessário haver um trabalho conjunto entre laje e viga, razão pela qual são utilizados elementos metálicos denominados conectores de cisalhamento, que visam restringir o escorregamento longitudinal e o descolamento vertical na interface. Tendo em vista os aspectos mencionados, são apresentados neste trabalho modelos numéricos tridimensionais de vigas mistas com vistas a simular o seu comportamento estrutural, principalmente no referente à interface entre viga de aço e laje de concreto. Os modelos são constituídos por vigas mistas simplesmente apoiadas com laje de faces planas e conectores de cisalhamento do tipo pino com cabeça. As simulações foram realizadas por meio do código de cálculo ANSYS versão 8.0, que tem como base o método dos elementos finitos. Os resultados obtidos foram comparados com valores experimentais, extraídos de trabalhos apresentados por outros pesquisadores
Title in English
Numerical analysis of simple supported steel-concrete composite beam: emphasis on the study of the slab-profile interface
Keywords in English
numerical analysis
steel structures
steel-concrete composite beams
steel-concrete composite structures
Abstract in English
Widely used in civil engineering frameworks, steel-concrete composite beams appear as consequence of the use of steel beams with concrete slab, providing better management of each constituent material properties. To act as a composite element, it is necessary that the slab and the beam work together, aspect obtained by using metallic elements called shear connectors, that restrict the longitudinal slipping and the uplifting between steel beam and concrete slab. In this sense, this work presents three-dimensional numerical models of steel-concrete composite beams in order to simulate its structural behavior with emphasis, in particular, at the interface between steel beam and concrete slab. The numerical models are constituted of simply supported composite beams with plain faces slab and stud bolt shear connectors. The simulations had been carried out by means of the code ANSYS version 8.0, based on finite elements method. The results had been compared with experimental values, extracted of works presented by others researchers
 
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Publishing Date
2006-08-03
 
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