Experimental analysis of the efficiency of steel fibers on shear strength of beams

Detalhes bibliográficos
Autor(a) principal: GOMES, Lana Daniele dos Santos
Data de Publicação: 2016
Outros Autores: OLIVEIRA, Dênio Ramam Carvalho de, MORAES NETO, Bernardo Nunes de, MEDEIROS, Adelson Bezerra de, MACÊDO, Alcebíades Negrão
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFPA
Texto Completo: http://repositorio.ufpa.br/jspui/handle/2011/11780
http://dx.doi.org/10.1590/1679-78254710 
Resumo: A eficiência das fibras de aço para resistência ao cisalhamento de vigas de concreto armado é avaliada.Quatro feixes foram avaliados: o controle consistiu em um feixe sem fibras de aço e três feixes com concreto armado com fibras de aço. Todas as vigas foram reforçadas para resistência ao cisalhamento por uma taxa mínima de reforço. A influência do teor de fibras no concreto, a 0,5%, 0,8% e 1,0%, e a possibilidade de substituição parcial ou total da armadura de cisalhamento convencional (estribo) por fibras de aço foram avaliadas. Os resultados mostraram um aumento significativo na ductilidade e rigidez das vigas com fibras de aço e, consequentemente, mudanças no modo de falha foram observadas, de cisalhamento (feixe de controle) ao comportamento de flexão (vigas com fibras de aço).
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spelling 2019-09-12T16:32:47Z2019-09-12T16:32:47Z2016-07GOMES, Lana Daniele dos Santos et al. Experimental analysis of the efficiency of steel fibers on shear strength of beams. Latin American Journal of Solids and Structures, Rio de Janeiro, v. 15, n. 7, p. 1-16, jul. 2016. DOI: http://dx.doi.org/10.1590/1679-78254710. Disponível em: http://repositorio.ufpa.br/jspui/handle/2011/11780. Acesso em:.1679-7825http://repositorio.ufpa.br/jspui/handle/2011/11780http://dx.doi.org/10.1590/1679-78254710 A eficiência das fibras de aço para resistência ao cisalhamento de vigas de concreto armado é avaliada.Quatro feixes foram avaliados: o controle consistiu em um feixe sem fibras de aço e três feixes com concreto armado com fibras de aço. Todas as vigas foram reforçadas para resistência ao cisalhamento por uma taxa mínima de reforço. A influência do teor de fibras no concreto, a 0,5%, 0,8% e 1,0%, e a possibilidade de substituição parcial ou total da armadura de cisalhamento convencional (estribo) por fibras de aço foram avaliadas. Os resultados mostraram um aumento significativo na ductilidade e rigidez das vigas com fibras de aço e, consequentemente, mudanças no modo de falha foram observadas, de cisalhamento (feixe de controle) ao comportamento de flexão (vigas com fibras de aço).The efficiency of steel fibers for shear strength of reinforced concrete beams is assessed. Four beams were evaluated: control consisted of one beam without any steel fibers and three beams with reinforced concrete with steel fibers. All beams were reinforced for shear strength by a minimum reinforcement rate. The influence of fiber content added to concrete, at 0.5%, 0.8% and 1.0%, and the possibility of partial or total replacement of conventional shear reinforcement (stirrups) by steel fibers were evaluated. Results showed a significant increase in ductility and stiffness of the beams with steel fibers and, consequently, changes in the failure mode were observed, of shear (control beam) to flexure behavior (beams with steel fibers).Submitted by Larissa Santos (larissasilvasantos1307@gmail.com) on 2019-08-23T16:37:21Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Article_ExperimentalAnalysisEfficiency.pdf: 1822003 bytes, checksum: 49b28991489b232c51b9d22697e1f2a5 (MD5)Approved for entry into archive by Edisangela Bastos (edisangela@ufpa.br) on 2019-09-12T16:32:47Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Article_ExperimentalAnalysisEfficiency.pdf: 1822003 bytes, checksum: 49b28991489b232c51b9d22697e1f2a5 (MD5)Made available in DSpace on 2019-09-12T16:32:47Z (GMT). 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dc.title.en.fl_str_mv Experimental analysis of the efficiency of steel fibers on shear strength of beams
title Experimental analysis of the efficiency of steel fibers on shear strength of beams
spellingShingle Experimental analysis of the efficiency of steel fibers on shear strength of beams
GOMES, Lana Daniele dos Santos
Shear
Fibras de aço
Feixes
Análise experimental
Steel fibers
Beams
Experimental analysis
title_short Experimental analysis of the efficiency of steel fibers on shear strength of beams
title_full Experimental analysis of the efficiency of steel fibers on shear strength of beams
title_fullStr Experimental analysis of the efficiency of steel fibers on shear strength of beams
title_full_unstemmed Experimental analysis of the efficiency of steel fibers on shear strength of beams
title_sort Experimental analysis of the efficiency of steel fibers on shear strength of beams
author GOMES, Lana Daniele dos Santos
author_facet GOMES, Lana Daniele dos Santos
OLIVEIRA, Dênio Ramam Carvalho de
MORAES NETO, Bernardo Nunes de
MEDEIROS, Adelson Bezerra de
MACÊDO, Alcebíades Negrão
author_role author
author2 OLIVEIRA, Dênio Ramam Carvalho de
MORAES NETO, Bernardo Nunes de
MEDEIROS, Adelson Bezerra de
MACÊDO, Alcebíades Negrão
author2_role author
author
author
author
dc.contributor.authorLattes.fl_str_mv http://lattes.cnpq.br/1937821462850161
http://lattes.cnpq.br/1324105476558186
http://lattes.cnpq.br/5790058515094077
http://lattes.cnpq.br/2341371597860284
http://lattes.cnpq.br/8313864897400179
dc.contributor.author.fl_str_mv GOMES, Lana Daniele dos Santos
OLIVEIRA, Dênio Ramam Carvalho de
MORAES NETO, Bernardo Nunes de
MEDEIROS, Adelson Bezerra de
MACÊDO, Alcebíades Negrão
dc.subject.por.fl_str_mv Shear
Fibras de aço
Feixes
Análise experimental
topic Shear
Fibras de aço
Feixes
Análise experimental
Steel fibers
Beams
Experimental analysis
dc.subject.eng.fl_str_mv Steel fibers
Beams
Experimental analysis
description A eficiência das fibras de aço para resistência ao cisalhamento de vigas de concreto armado é avaliada.Quatro feixes foram avaliados: o controle consistiu em um feixe sem fibras de aço e três feixes com concreto armado com fibras de aço. Todas as vigas foram reforçadas para resistência ao cisalhamento por uma taxa mínima de reforço. A influência do teor de fibras no concreto, a 0,5%, 0,8% e 1,0%, e a possibilidade de substituição parcial ou total da armadura de cisalhamento convencional (estribo) por fibras de aço foram avaliadas. Os resultados mostraram um aumento significativo na ductilidade e rigidez das vigas com fibras de aço e, consequentemente, mudanças no modo de falha foram observadas, de cisalhamento (feixe de controle) ao comportamento de flexão (vigas com fibras de aço).
publishDate 2016
dc.date.issued.fl_str_mv 2016-07
dc.date.accessioned.fl_str_mv 2019-09-12T16:32:47Z
dc.date.available.fl_str_mv 2019-09-12T16:32:47Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
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dc.identifier.citation.fl_str_mv GOMES, Lana Daniele dos Santos et al. Experimental analysis of the efficiency of steel fibers on shear strength of beams. Latin American Journal of Solids and Structures, Rio de Janeiro, v. 15, n. 7, p. 1-16, jul. 2016. DOI: http://dx.doi.org/10.1590/1679-78254710. Disponível em: http://repositorio.ufpa.br/jspui/handle/2011/11780. Acesso em:.
dc.identifier.uri.fl_str_mv http://repositorio.ufpa.br/jspui/handle/2011/11780
dc.identifier.issn.pt_BR.fl_str_mv 1679-7825
dc.identifier.doi.pt_BR.fl_str_mv http://dx.doi.org/10.1590/1679-78254710 
identifier_str_mv GOMES, Lana Daniele dos Santos et al. Experimental analysis of the efficiency of steel fibers on shear strength of beams. Latin American Journal of Solids and Structures, Rio de Janeiro, v. 15, n. 7, p. 1-16, jul. 2016. DOI: http://dx.doi.org/10.1590/1679-78254710. Disponível em: http://repositorio.ufpa.br/jspui/handle/2011/11780. Acesso em:.
1679-7825
url http://repositorio.ufpa.br/jspui/handle/2011/11780
http://dx.doi.org/10.1590/1679-78254710 
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dc.publisher.initials.fl_str_mv ABCM
dc.publisher.country.fl_str_mv Brasil
publisher.none.fl_str_mv Associação Brasileira de Ciências Mecânicas
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