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Experimental and Finite Element Analyses of Bond-Slip in Reinforced Concrete
| Revista IBRACON de Estruturas e Materiais
Experimental and Finite Element Analyses of Bond-Slip in Reinforced Concrete
Anderson Renato Vobornik Wolenski
Universidade Federal de Minas Gerais
Saulo Silvestre de Castro
Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brasil
Samuel Silva Penna
Universidade Federal de Minas Gerais (UFMG), Programa de Pós-Graduação em Engenharia de Estruturas (PROPEEs), Belo Horizonte, Brasil
Roque Luiz da Silva Pitangueira
Universidade Federal de Minas Gerais (UFMG), Programa de Pós-Graduação em Engenharia de Estruturas (PROPEEs), Belo Horizonte, Brasil
Bruno do Vale Silva
Universidade do Extremo Sul Catarinense, Departamento de Engenharia Civil, PPGCEM, Criciúma, SC, Brasil
Mônica Pinto Barbosa
Pontifícia Universidade Católica de Campinas, Faculdade de Engenharia Civil, Campinas, SP, Brasil
Resumo
The modeling of reinforced concrete structures has taken advantage of the increasing progress on Computational Mechanics, in such way that complex phenomena, such as cracking and crushing, creep, reinforcement yielding, steel-concrete bond loss, can be modeled in a reasonable realistic way, using the proper set of numerical and computational resources. Among several options, the ones based on the Finite Element Method (FEM) allow complex analysis simulations of reinforced concrete structures, including the interaction of different nonlinear effects. This paper deals with the nonlinear finite element analysis of the bond-slip between reinforcing steel and concrete, taking into account an experimental study previously performed. The FEM analysis presented uses a combination of resources where the behavior of the concrete is described by the Microplane Constitutive Model, and an embedded reinforcement model is used to represent steel inside the concrete and take into account the effect of bond-slip. The FEM models were created using the INSANE (INteractive Structural ANalysis Environment) computational system, open source software that has a set of FEM tools for nonlinear analysis of reinforced concrete structures. The correlations between numerical-experimental results and several parameters validate the proposed combination of resources and identify the significance of various effects on response.
Biografia do Autor
Anderson Renato Vobornik Wolenski, Universidade Federal de Minas Gerais
Departamento de Engenharia de Estruturas (DEES)
Saulo Silvestre de Castro, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brasil
Mestre em Engenharia de Estruturas
Samuel Silva Penna, Universidade Federal de Minas Gerais (UFMG), Programa de Pós-Graduação em Engenharia de Estruturas (PROPEEs), Belo Horizonte, Brasil
Professor Doutor
Roque Luiz da Silva Pitangueira, Universidade Federal de Minas Gerais (UFMG), Programa de Pós-Graduação em Engenharia de Estruturas (PROPEEs), Belo Horizonte, Brasil
Professor Doutor
Bruno do Vale Silva, Universidade do Extremo Sul Catarinense, Departamento de Engenharia Civil, PPGCEM, Criciúma, SC, Brasil
Professor Doutor
Mônica Pinto Barbosa, Pontifícia Universidade Católica de Campinas, Faculdade de Engenharia Civil, Campinas, SP, Brasil