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Universidade de São Paulo (USP). Escola Politécnica (EP) (Institutional affiliation from the last research proposal) Birthplace: Brazil
Professor Doutor do Departamento de Engenharia de Estruturas e Geotécnica (PEF) da Escola Politécnica da USP (desde 2015) e Pesquisador do CNPq (Nível 1D). Engenheiro Civil pela Universidade Federal do Pará (2006); Mestre (2009) e Doutor (2014) em Engenharia Civil pela Escola Politécnica da USP com estágio de pesquisa na University of Toronto (UofT), Canadá (2012-2013). Foi pesquisador visitante na Loughborough University, Inglaterra (2022). Atualmente é credenciado ao Programa de Pós-Graduação em Engenharia Civil (PPGEC) da Escola Politécnica da USP, onde também atua como representante da área de Engenharia de Estruturas na Comissão Coordenadora do Programa. Atua como pesquisador principal e coordenador de projetos de pesquisas financiados pela FAPESP e CNPq, através dos quais colabora com pesquisadores da University of Windsor (Canadá), University of Sydney (Austrália), Universitat Politècnica de Catalunya (Espanha), Universidade do Minho (Portugal) e Loughborough University (Inglaterra). Vem desenvolvendo pesquisas com ênfase em mecânica computacional e experimental nos seguintes temas: concreto e estruturas de concreto; modelagem multiescala de materiais; técnicas de representação de fratura em materiais quase-frágeis; transporte de fluidos em meios porosos fraturados; fraturamento de estruturas ósseas; e desenvolvimento e aplicação de aprendizado de máquina e gêmeos digitais para identificação prévia de danos estruturais (mais informações na página pessoal: https://sites.usp.br/luisbitencourt/) (Source: Lattes Curriculum)
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The proposal aims to host, from January to December 2025, at the Polytechnic School of the University of São Paulo, one of the foremost European experts in fiber-reinforced concrete (FRC) and its use as a structural material. This initiative seeks to enhance and consolidate knowledge in this field in São Paulo. Several research studies have been conducted in this area in recent years. Wit…
This research project aims to improve multiscale models developed by the proponent and collaborators for plain and steel fiber reinforced concrete and apply them to predict the behavior of structural elements.The 2D mesoscale model developed by Rodrigues et al. 2016 has been improved in recent years through the proposition of a mesh adaptive methodology (Rodrigues et al., 2018) to reduce …
Nowadays, it is well known that the addition of a small volume of steel fibers may increase the ductility and thoughness of concrete matrices, resulting in so-called Steel Fiber Reinforced Concrete (SFRC). However, although the use of SFRC for structural applications has increased in last years, its use among practitioners is still limited with respect to its potentials due to the lack of…
Discontinuous steel fibers have been added to the concrete as primary reinforcement to avoid abrupt tensile failure. The main role played by the fibers becomes more evident after the cracking of the cementitious matrix, at which point the fibers resist crack propagation by transferring stresses across crack faces, thus maintaining some load-carrying capacity and preventing sudden composit…
Currently, it is well known that representing concrete at the aggregate scale is essential for understanding the process of crack formation and propagation. Thus, an adequate prediction of material failure should be based on a model that considers this observation scale. To achieve this goal, numerical models with an explicit representation of aggregates have been widely proposed in the l…
The 2D mesoscale model for concrete based on the mesh fragmentation technique has been improved in recent years through the proposition of a mesh adaptive methodology to reduce the high computational costs typical of heterogeneous models and, additionally, its formulation has been extended to 3D analysis considering the composite as a material with three phases: cement matrix, coarse aggr…
(Only some records are available in English at this moment)
Nowadays, several computational models with a multiscale approach have been proposed to predict the mechanical behavior of steel fiber reinforced concrete (SFRC). These models have presented promising results, since they can be used to evaluate the influence of the different phases of the composite (matrix, fibers and fiber-matrix interaction) on the mechanical behavior of the material an…
This work presents a numerical strategy developed using the Finite Element Method (FEM) to simulate the failure process of Steel Fiber Reinforced Cementitious Composites (SFRCCs). The material is described as a composite made up by three phases: a cementitious matrix (paste, mortar or concrete), discrete discontinuous fibers, and a fiber-matrix interface.A novel coupling scheme for non-ma…
This project proposes the development of the new techniques for modeling reinforced concrete structures. Steel fibers, disperse in the matrix, can be considered. This technique involves the mixture theory methodology; standard finite element with a very high aspect ratio; continuous strong discontinuity approach; embedded discontinuity technique and accelerated schemes for the solution of…
| 2 / 2 | Ongoing grants |
| 1 / 1 | Completed research grants |
| 4 / 4 | Ongoing scholarships in Brazil |
| 3 / 2 | Completed scholarships in Brazil |
| 1 / 1 | Completed scholarships abroad |
| 11 / 10 | All research grants and scholarships |
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