Proposal for a computational modeling for crack propagation in bridge beams under cyclic loading
Autor(a) principal: | |
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Data de Publicação: | 2021 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Research, Society and Development |
Texto Completo: | https://rsdjournal.org/index.php/rsd/article/view/13670 |
Resumo: | Steel bridges are normally subjected to random loads with different traffic frequencies. This way, steel bridges are structures of dynamic behavior and are subjected to fatigue failure process. After localizing and determine the amplitude of an existing flaw, its important predicts crack propagation and the convenient repair time. At this work, the fatigue crack propagation on steel beam bridges, has been studied under different spectrum of variable-amplitude loading. To study the fatigue crack growth was developed a computational code, using the Root Mean Square (RMS) and the Cycle-by-Cycle models. Different loads histories and initial crack length were considered input variables. This way was evaluating the dispersion of results of the expected structural life choosing different initial parameters. |
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Proposal for a computational modeling for crack propagation in bridge beams under cyclic loadingPropuesta de modelado computacional para la propagación de fisuras en vigas de puentes bajo carga cíclicaProposta de uma modelagem computacional para propagação de trincas em vigas de pontes sob carregamento cíclicoPuentesCarga cíclicaPropagación del crack.PontesCarregamento cíclicoPropagação de trincas.BridgesCyclic loadingCrack propagation.Steel bridges are normally subjected to random loads with different traffic frequencies. This way, steel bridges are structures of dynamic behavior and are subjected to fatigue failure process. After localizing and determine the amplitude of an existing flaw, its important predicts crack propagation and the convenient repair time. At this work, the fatigue crack propagation on steel beam bridges, has been studied under different spectrum of variable-amplitude loading. To study the fatigue crack growth was developed a computational code, using the Root Mean Square (RMS) and the Cycle-by-Cycle models. Different loads histories and initial crack length were considered input variables. This way was evaluating the dispersion of results of the expected structural life choosing different initial parameters.Los puentes de acero suelen estar sujetos a cargas cíclicas de amplitud variable con tipos y frecuencias de tráfico aleatorios. Los puentes de acero, por ser estructuras de comportamiento dinámico, están sujetos a fallas por fatiga. Al determinar la ubicación y la amplitud de una falla existente, existe una preocupación inmediata con el pronóstico de su propagación para tener un tiempo de reparación conveniente. Este trabajo evaluó el problema de la propagación de fisuras por fatiga en vigas de puentes de acero bajo diferentes espectros de cargas cíclicas de amplitud variable. Se desarrolló un programa de computadora para analizar el crecimiento de grietas utilizando los modelos Root Mean Square (RMS) y Cycle-by-Cycle. Se consideraron como variables de entrada del programa diferentes tamaños iniciales de grietas y diferentes historiales de carga. Con esto, se evaluó la dispersión de los resultados de vida esperados de la estructura con la variación de los diferentes parámetros de entrada.Pontes de aço normalmente estão sujeitas a carregamentos cíclicos de amplitude variável com tipo e frequência de tráfego ao acaso. As pontes de aço, por serem estruturas de comportamento dinâmico, estão sujeitas a falhar por processo de fadiga. Determinando a localização e a amplitude de uma falha existente, tem-se de imediato a preocupação com a previsão de propagação da mesma a fim de ter-se um tempo conveniente de reparo. Este trabalho avaliou-se o problema de propagação de trincas de fadiga em vigas de pontes de aço sob diferentes espectros de carregamentos cíclicos de amplitude variável. Foi desenvolvido um programa computacional para a análise do crescimento das trincas utilizando-se os modelos do Valor Médio Quadrático (Root Mean Square – RMS) e Ciclo-a-Ciclo. Considerou-se como variáveis de entrada do programa diferentes tamanhos iniciais de trincas e diferentes histórias de carregamentos. Com isso, avaliou-se a dispersão dos resultados de vida esperada da estrutura com a variação dos diferentes parâmetros de entrada.Research, Society and Development2021-03-27info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://rsdjournal.org/index.php/rsd/article/view/1367010.33448/rsd-v10i3.13670Research, Society and Development; Vol. 10 No. 3; e57510313670Research, Society and Development; Vol. 10 Núm. 3; e57510313670Research, Society and Development; v. 10 n. 3; e575103136702525-3409reponame:Research, Society and Developmentinstname:Universidade Federal de Itajubá (UNIFEI)instacron:UNIFEIporhttps://rsdjournal.org/index.php/rsd/article/view/13670/12320Copyright (c) 2021 Rafael Leandro Fernandes Melo; Adroaldo José Silva de Moura Filho; Marcos Fábio Veríssimo Montezuma; Enio Pontes de Deushttps://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessMelo, Rafael Leandro FernandesMoura Filho, Adroaldo José Silva de Montezuma, Marcos Fábio Veríssimo Deus, Enio Pontes de2021-03-28T12:03:35Zoai:ojs.pkp.sfu.ca:article/13670Revistahttps://rsdjournal.org/index.php/rsd/indexPUBhttps://rsdjournal.org/index.php/rsd/oairsd.articles@gmail.com2525-34092525-3409opendoar:2024-01-17T09:34:57.479126Research, Society and Development - Universidade Federal de Itajubá (UNIFEI)false |
dc.title.none.fl_str_mv |
Proposal for a computational modeling for crack propagation in bridge beams under cyclic loading Propuesta de modelado computacional para la propagación de fisuras en vigas de puentes bajo carga cíclica Proposta de uma modelagem computacional para propagação de trincas em vigas de pontes sob carregamento cíclico |
title |
Proposal for a computational modeling for crack propagation in bridge beams under cyclic loading |
spellingShingle |
Proposal for a computational modeling for crack propagation in bridge beams under cyclic loading Melo, Rafael Leandro Fernandes Puentes Carga cíclica Propagación del crack. Pontes Carregamento cíclico Propagação de trincas. Bridges Cyclic loading Crack propagation. |
title_short |
Proposal for a computational modeling for crack propagation in bridge beams under cyclic loading |
title_full |
Proposal for a computational modeling for crack propagation in bridge beams under cyclic loading |
title_fullStr |
Proposal for a computational modeling for crack propagation in bridge beams under cyclic loading |
title_full_unstemmed |
Proposal for a computational modeling for crack propagation in bridge beams under cyclic loading |
title_sort |
Proposal for a computational modeling for crack propagation in bridge beams under cyclic loading |
author |
Melo, Rafael Leandro Fernandes |
author_facet |
Melo, Rafael Leandro Fernandes Moura Filho, Adroaldo José Silva de Montezuma, Marcos Fábio Veríssimo Deus, Enio Pontes de |
author_role |
author |
author2 |
Moura Filho, Adroaldo José Silva de Montezuma, Marcos Fábio Veríssimo Deus, Enio Pontes de |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Melo, Rafael Leandro Fernandes Moura Filho, Adroaldo José Silva de Montezuma, Marcos Fábio Veríssimo Deus, Enio Pontes de |
dc.subject.por.fl_str_mv |
Puentes Carga cíclica Propagación del crack. Pontes Carregamento cíclico Propagação de trincas. Bridges Cyclic loading Crack propagation. |
topic |
Puentes Carga cíclica Propagación del crack. Pontes Carregamento cíclico Propagação de trincas. Bridges Cyclic loading Crack propagation. |
description |
Steel bridges are normally subjected to random loads with different traffic frequencies. This way, steel bridges are structures of dynamic behavior and are subjected to fatigue failure process. After localizing and determine the amplitude of an existing flaw, its important predicts crack propagation and the convenient repair time. At this work, the fatigue crack propagation on steel beam bridges, has been studied under different spectrum of variable-amplitude loading. To study the fatigue crack growth was developed a computational code, using the Root Mean Square (RMS) and the Cycle-by-Cycle models. Different loads histories and initial crack length were considered input variables. This way was evaluating the dispersion of results of the expected structural life choosing different initial parameters. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-03-27 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://rsdjournal.org/index.php/rsd/article/view/13670 10.33448/rsd-v10i3.13670 |
url |
https://rsdjournal.org/index.php/rsd/article/view/13670 |
identifier_str_mv |
10.33448/rsd-v10i3.13670 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://rsdjournal.org/index.php/rsd/article/view/13670/12320 |
dc.rights.driver.fl_str_mv |
https://creativecommons.org/licenses/by/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Research, Society and Development |
publisher.none.fl_str_mv |
Research, Society and Development |
dc.source.none.fl_str_mv |
Research, Society and Development; Vol. 10 No. 3; e57510313670 Research, Society and Development; Vol. 10 Núm. 3; e57510313670 Research, Society and Development; v. 10 n. 3; e57510313670 2525-3409 reponame:Research, Society and Development instname:Universidade Federal de Itajubá (UNIFEI) instacron:UNIFEI |
instname_str |
Universidade Federal de Itajubá (UNIFEI) |
instacron_str |
UNIFEI |
institution |
UNIFEI |
reponame_str |
Research, Society and Development |
collection |
Research, Society and Development |
repository.name.fl_str_mv |
Research, Society and Development - Universidade Federal de Itajubá (UNIFEI) |
repository.mail.fl_str_mv |
rsd.articles@gmail.com |
_version_ |
1797052673156972544 |