The behaviour of high strength lightweight concretes with the addition of steel fibers

Autores

  • Fernando Júnior Resende Mascarenhas Universidade Federal de São Carlos (UFSCar)

DOI:

https://doi.org/10.22409/engevista.v21i2.9550

Resumo

The use of high strength lightweight concretes with the addition steel fibers has become more popular in recent days due to their mechanical proprieties. It was possible to observe that structural lightweight concrete has benefits when compared to normalweight concretes due to higher strengthens-weight ratio and improves tensile strain capability. Moreover, even thought it was demonstrated that the shear behavior of LWC are reduced when compared with NWC, more studies about shear behavior in LWC beams need to be done. Moreover, the addition of 0.75% of steel fibers by volume, 15% of Fly-ash and 5% of silica fume has demonstrated to be an ideal amount to obtain high-strength concretes with great mechanical properties. Hence, this paper presents a literature review about the behaviour of high strength lightweight concretes with the addition of steel fibers pointing out its mainly mechanical properties. 

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Biografia do Autor

Fernando Júnior Resende Mascarenhas, Universidade Federal de São Carlos (UFSCar)

Estudante de Pós-Graduação (Mestrado) em Engenharia de Estruturas na Universidade Federal de São Carlos (UFSCar), com bolsa de estudos CAPES. Engenheiro Civil pela Pontifícia Universidade Católica de Minas Gerais (PUC Minas), em 2016. Participou de dois períodos sanduíches com Bolsa de Estudos, durante a Graduação. Primeiro, ex-aluno do Programa Ciências sem Fronteiras (CsF), financiado pela CAPES e estudou na University of Toronto, no Canadá, durante 16 meses, entre setembro de 2013 e dezembro de 2014. Segundo, ex-aluno do Emerging Leaders in America Program (ELAP), financiado pelo CBIE e fez pesquisa na Memorial University of Newfoundland, no Canadá, durante 5 meses, entre janeiro e maio de 2016. Ambos os períodos de intercâmbio totalizaram 21 meses (1 ano e 9 meses). Atuou como monitor de 9 (nove) disciplinas durante a Graduação e de 2 (duas) disciplinas durante o Mestrado, bem como participou, no Brasil e no Canadá, de Projetos de Iniciação Científica. Possui 2 capítulos de livro publicados em inglês; 2 artigos, um em inglês e outro em português, em periódicos e 11 artigos publicados em inglês e português em anais de congressos nacionais e internacionais.

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Publicado

2019-05-02

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