Experimental analysis of the efficiency of steel fibers on shear strength of beams
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | , , , |
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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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). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Article_ExperimentalAnalysisEfficiency.pdf: 1822003 bytes, checksum: 49b28991489b232c51b9d22697e1f2a5 (MD5) Previous issue date: 2016-07CAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível SuperiorOLIVEIRA, D.R.C.; MORAES NETO, B.N.; MEDEIROS, A.B. 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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 |
format |
article |
status_str |
publishedVersion |
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 |
dc.language.iso.fl_str_mv |
eng |
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eng |
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Latin American Journal of Solids and Structures |
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info:eu-repo/semantics/openAccess |
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openAccess |
dc.publisher.none.fl_str_mv |
Associação Brasileira de Ciências Mecânicas |
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ABCM |
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Brasil |
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Associação Brasileira de Ciências Mecânicas |
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