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Title: Determinação da capacidade resistente de elementos estruturaismistos através do método da rótula plástica refinado.
Authors: Lemes, Igor José Mendes
Silva, Andréa Regina Dias da
Silveira, Ricardo Azoubel da Mota
Rocha, Paulo Anderson Santana
Keywords: Análise não linea finitos de deformações
Estruturas mistas
Método da compatibilidade
Método dos elementos
Issue Date: 2017
Citation: LEMES, I. J. M. et al. Determinação da capacidade resistente de elementos estruturaismistos através do método da rótula plástica refinado. Revista Internacional de Métodos Numéricos para Cálculo y Diseño en Ingeniería, v. 33, p. 24-34, 2017. Disponível em: <>. Acesso em: 29 set. 2017.
metadata.dc.description.abstracten: This work presents the computational implementation and evaluation of a generalized strategy basedon Strain Compatibility Method to obtain the initial and full yield curves of steel-concrete compositestructures. Due to anisotropy of concrete the evaluation of the full yield capacity of cross sections thathave this material in its compostion is not so simple as for steel structures. Use is made of the RefinedPlastic Hinge Method (RPHM) to perform, via Finite Element Method (FEM), the advanced analysis consi-dering simultaneously second order and inelasticity effects. Thus, the gradual decrease of the stiffness inRPHM is determined by a section combination of axial force and bending moment. The Newton-Raphsonmethod with path-following strategies is adopted for solving the nonlinear global and local (in cross sec-tion level) equations. Advanced numerical analysis of composite steel-concrete structural systems areperformed through the presented numerical formulation and the results obtained here are comparedwith experimental and numerical data given in the literature.
ISSN: 0213-1315
metadata.dc.rights.license: This is an open access article under the CC BY-NC-ND license ( 4.0/). Fonte: o próprio artigo.
Appears in Collections:DECIV - Artigos publicados em periódicos

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