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metadata.artigo.dc.title: Numerical analysis of RC plane structures: a concentrated nonlinear effect approach
metadata.artigo.dc.creator: Lemes, I. J. M.
Barros, R. C.
Silveira, R. A. M.
Silva, A. R. D.
Rocha, P. A. S.
metadata.artigo.dc.subject: RC structures
Interaction curves
Concentrated plasticity
Refined plastic hinge method
Estruturas RC
Curvas de interação
Plasticidade concentrada
Método de dobradura plástica refinada
metadata.artigo.dc.publisher: Associação Brasileira de Ciências Mecânicas 2018
metadata.artigo.dc.identifier.citation: LEMES, I. J. M. et al. Numerical analysis of RC plane structures: a concentrated nonlinear effect approach. Latin American Journal of Solids and Structures, Rio de Janeiro, v. 15, n. 2, p. 1-22, 2018. DOI:
metadata.artigo.dc.description.abstract: The present work aims to study the nonlinear behavior of reinforced concrete structures via Refined Plastic Hinge Method (RPHM). Pseudo-springs are used at the finite element ends, where the gradual loss of stiffness is determined by the combination of the normal force and bending moment (NM) in the cross section. The limiting of the uncracked, elastic and plastic regimes is done in the NM diagram. The concrete cracking is explicitly simulated with two approaches to calculate the effective moment of inertia of the cross section. The displacement-based formulation is referenced to the co-rotational system and coupled with continuation strategies to allow to overcome the possible critical points in the equilibrium paths. For validation of the numerical simulations, the results found with the proposed formulation are confronted with experimental and numerical data present in literature.
metadata.artigo.dc.language: en_US
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