Viga composta com viga e laje pré-moldadas ligadas mediante nichos :análise via modelagem computacional
Autor(a) principal: | |
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Data de Publicação: | 2009 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Repositório Institucional da UFG |
Texto Completo: | http://repositorio.bc.ufg.br/tede/handle/tde/1348 |
Resumo: | In structural system of composite beams with slab and beam, both precast, it is necessary that shear stress is transferred from the slab to the beam through the interface to assure the composite action between beam and slab. This study has the objective of assessing the behavior of composite beams with slab and beam precast connected by pockets. For this, it was developed a computational model based on the Finite Element Method using the commercial software DIANA® 9.3, which make possible the analysis of interaction between shear stresses transferred by interface to precast beam and shear stress on the precast beam due to vertical loading. In the analysis, the behavior of these beams was compared with the behavior of beams with continuous connection, usually employed. In addition, the type of beam-slab interface (with or without shear-key) was analyzed. It is tried from this analysis to confirm some models presented in the literature for design composite beams connected by pockets. Usually, the models used to design of reinforced concrete beams to shear are slightly modified to design the composite beams connected by pockets. The results show that, in fact, there is an increase on the shear stress of precast beam due to a discrete connection provided by pockets |
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ARAÚJO, Daniel de Limahttp://lattes.cnpq.br/8801080897723883http://lattes.cnpq.br/6239635510269917MELO, Matilde Batista2014-07-29T15:18:24Z2010-02-222009-10-22MELO, Matilde Batista. Composite beam with beam and precast slab linked by niches: analysis via computer modeling. 2009. 81 f. Dissertação (Mestrado em Engenharias) - Universidade Federal de Goiás, Goiânia, 2009.http://repositorio.bc.ufg.br/tede/handle/tde/1348In structural system of composite beams with slab and beam, both precast, it is necessary that shear stress is transferred from the slab to the beam through the interface to assure the composite action between beam and slab. This study has the objective of assessing the behavior of composite beams with slab and beam precast connected by pockets. For this, it was developed a computational model based on the Finite Element Method using the commercial software DIANA® 9.3, which make possible the analysis of interaction between shear stresses transferred by interface to precast beam and shear stress on the precast beam due to vertical loading. In the analysis, the behavior of these beams was compared with the behavior of beams with continuous connection, usually employed. In addition, the type of beam-slab interface (with or without shear-key) was analyzed. It is tried from this analysis to confirm some models presented in the literature for design composite beams connected by pockets. Usually, the models used to design of reinforced concrete beams to shear are slightly modified to design the composite beams connected by pockets. The results show that, in fact, there is an increase on the shear stress of precast beam due to a discrete connection provided by pocketsNo sistema estrutural de vigas compostas formadas por laje e viga pré-moldadas, para que os elementos estruturais trabalhem efetivamente como um sistema composto, é necessário que as tensões na interface sejam transferidas de um elemento para o outro. Nesta linha, o presente trabalho tem o objetivo de avaliar o comportamento de vigas compostas formadas por viga e laje pré-moldadas ligadas por meio de nichos de concretagem. Para tanto, foi desenvolvido um modelo computacional, com base no Método dos Elementos Finitos, utilizado o programa comercial DIANA® 9.3, com o qual é possível analisar a interação entre as tensões de cisalhamento transferidas da interface para a alma da viga e as tensões de cisalhamento oriundas da força cortante provocada pelo carregamento vertical. Nas análises, são feitas comparações do comportamento dessas vigas com o comportamento de vigas compostas com ligação contínua, usualmente empregada. Também é avaliada a influência do tipo de tratamento da interface (com e sem chave de cisalhamento). Procura-se, assim, confirmar modelos sugeridos pela literatura para o projeto de vigas compostas ligadas mediante nichos existentes, os quais sugerem alterações nos modelos usualmente empregados no projeto de vigas de concreto. A análise dos resultados demonstra que de fato há um aumento nas tensões de compressão na viga pré-moldada devido ao fato da ligação ser discretaMade available in DSpace on 2014-07-29T15:18:24Z (GMT). No. of bitstreams: 1 2009MELO-CAPITULO1.pdf: 82281 bytes, checksum: 82f866764e23625996fbd50c82fe3c4f (MD5) Previous issue date: 2009-10-22application/pdfhttp://repositorio.bc.ufg.br/TEDE/retrieve/4209/2009MELO-CAPITULO1.pdf.jpgporUniversidade Federal de GoiásMestrado em Geotecnia e Construção CivilUFGBREngenhariasViga composta, Concreto pré-moldado, Modelagem computacional, Cisalhamento, Nicho, Chave de cisalhamentoComposite beam, Precast concrete, Computational modeling, Shear, Pocket, Shear KeyCNPQ::ENGENHARIAS::ENGENHARIA CIVIL::CONSTRUCAO CIVILViga composta com viga e laje pré-moldadas ligadas mediante nichos :análise via modelagem computacionalComposite beam with beam and precast slab linked by niches: analysis via computer modelinginfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFGinstname:Universidade Federal de Goiás (UFG)instacron:UFGORIGINAL2009MELO-CAPITULO1.pdfapplication/pdf82281http://repositorio.bc.ufg.br/tede/bitstreams/58f68369-c24b-4517-b06f-ec2003a1541d/download82f866764e23625996fbd50c82fe3c4fMD51THUMBNAIL2009MELO-CAPITULO1.pdf.jpg2009MELO-CAPITULO1.pdf.jpgGenerated Thumbnailimage/jpeg3209http://repositorio.bc.ufg.br/tede/bitstreams/530edb07-41a9-4029-9c43-9ebfc5d387df/downloada7db8e3d8ee78568ebdf7dc40807ff17MD52tde/13482014-07-30 03:12:17.51open.accessoai:repositorio.bc.ufg.br:tde/1348http://repositorio.bc.ufg.br/tedeRepositório InstitucionalPUBhttp://repositorio.bc.ufg.br/oai/requesttasesdissertacoes.bc@ufg.bropendoar:2014-07-30T06:12:17Repositório Institucional da UFG - Universidade Federal de Goiás (UFG)false |
dc.title.por.fl_str_mv |
Viga composta com viga e laje pré-moldadas ligadas mediante nichos :análise via modelagem computacional |
dc.title.alternative.eng.fl_str_mv |
Composite beam with beam and precast slab linked by niches: analysis via computer modeling |
title |
Viga composta com viga e laje pré-moldadas ligadas mediante nichos :análise via modelagem computacional |
spellingShingle |
Viga composta com viga e laje pré-moldadas ligadas mediante nichos :análise via modelagem computacional MELO, Matilde Batista Viga composta, Concreto pré-moldado, Modelagem computacional, Cisalhamento, Nicho, Chave de cisalhamento Composite beam, Precast concrete, Computational modeling, Shear, Pocket, Shear Key CNPQ::ENGENHARIAS::ENGENHARIA CIVIL::CONSTRUCAO CIVIL |
title_short |
Viga composta com viga e laje pré-moldadas ligadas mediante nichos :análise via modelagem computacional |
title_full |
Viga composta com viga e laje pré-moldadas ligadas mediante nichos :análise via modelagem computacional |
title_fullStr |
Viga composta com viga e laje pré-moldadas ligadas mediante nichos :análise via modelagem computacional |
title_full_unstemmed |
Viga composta com viga e laje pré-moldadas ligadas mediante nichos :análise via modelagem computacional |
title_sort |
Viga composta com viga e laje pré-moldadas ligadas mediante nichos :análise via modelagem computacional |
author |
MELO, Matilde Batista |
author_facet |
MELO, Matilde Batista |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
ARAÚJO, Daniel de Lima |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/8801080897723883 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/6239635510269917 |
dc.contributor.author.fl_str_mv |
MELO, Matilde Batista |
contributor_str_mv |
ARAÚJO, Daniel de Lima |
dc.subject.por.fl_str_mv |
Viga composta, Concreto pré-moldado, Modelagem computacional, Cisalhamento, Nicho, Chave de cisalhamento |
topic |
Viga composta, Concreto pré-moldado, Modelagem computacional, Cisalhamento, Nicho, Chave de cisalhamento Composite beam, Precast concrete, Computational modeling, Shear, Pocket, Shear Key CNPQ::ENGENHARIAS::ENGENHARIA CIVIL::CONSTRUCAO CIVIL |
dc.subject.eng.fl_str_mv |
Composite beam, Precast concrete, Computational modeling, Shear, Pocket, Shear Key |
dc.subject.cnpq.fl_str_mv |
CNPQ::ENGENHARIAS::ENGENHARIA CIVIL::CONSTRUCAO CIVIL |
description |
In structural system of composite beams with slab and beam, both precast, it is necessary that shear stress is transferred from the slab to the beam through the interface to assure the composite action between beam and slab. This study has the objective of assessing the behavior of composite beams with slab and beam precast connected by pockets. For this, it was developed a computational model based on the Finite Element Method using the commercial software DIANA® 9.3, which make possible the analysis of interaction between shear stresses transferred by interface to precast beam and shear stress on the precast beam due to vertical loading. In the analysis, the behavior of these beams was compared with the behavior of beams with continuous connection, usually employed. In addition, the type of beam-slab interface (with or without shear-key) was analyzed. It is tried from this analysis to confirm some models presented in the literature for design composite beams connected by pockets. Usually, the models used to design of reinforced concrete beams to shear are slightly modified to design the composite beams connected by pockets. The results show that, in fact, there is an increase on the shear stress of precast beam due to a discrete connection provided by pockets |
publishDate |
2009 |
dc.date.issued.fl_str_mv |
2009-10-22 |
dc.date.available.fl_str_mv |
2010-02-22 |
dc.date.accessioned.fl_str_mv |
2014-07-29T15:18:24Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
MELO, Matilde Batista. Composite beam with beam and precast slab linked by niches: analysis via computer modeling. 2009. 81 f. Dissertação (Mestrado em Engenharias) - Universidade Federal de Goiás, Goiânia, 2009. |
dc.identifier.uri.fl_str_mv |
http://repositorio.bc.ufg.br/tede/handle/tde/1348 |
identifier_str_mv |
MELO, Matilde Batista. Composite beam with beam and precast slab linked by niches: analysis via computer modeling. 2009. 81 f. Dissertação (Mestrado em Engenharias) - Universidade Federal de Goiás, Goiânia, 2009. |
url |
http://repositorio.bc.ufg.br/tede/handle/tde/1348 |
dc.language.iso.fl_str_mv |
por |
language |
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openAccess |
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dc.publisher.none.fl_str_mv |
Universidade Federal de Goiás |
dc.publisher.program.fl_str_mv |
Mestrado em Geotecnia e Construção Civil |
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UFG |
dc.publisher.country.fl_str_mv |
BR |
dc.publisher.department.fl_str_mv |
Engenharias |
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Universidade Federal de Goiás |
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Repositório Institucional da UFG |
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