Análise paramétrica da vibração do solo induzida pelo tráfego ferroviário
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Repositório Institucional da UFG |
Texto Completo: | http://repositorio.bc.ufg.br/tede/handle/tede/6437 |
Resumo: | The expansion of the railway network together with the urbanization process resulted in the train induced vibrations analysis. In this work was developed a parametric analysis of ground vibration induced by railway traffic from the representation of the train through a point load, normal to the ground, moving with constant velocity. The wheel load is elastically distributed on the railway track composed by rails, sleepers and ballast, generating the resulting load on the ground. The soil is formulated as a homogeneous, elastic, isotropic and linear solid material, and their displacements are calculated by the use of triple Fourier transform, assuming that the velocity of the train traffic is less than the Rayleigh waves. The methodology of this study is based on developing a computational code using the numerical tool MATLAB. After the validation of this program, the influences of the vibrations induced by rail traffic are analyzed parametrically considering variation in the type and train speed, the characteristics of the railway track, the soil properties and the distance between the observation point and the railroad. The results show the strong influence of several parameters of the problem in the displacement and the instantaneous velocity of ground vibration, especially when the train speed approaches to the speed of Rayleigh waves in the soil. The vibration values obtained are then compared with acceptable levels of current regulations according to the type and human use of buildings which are close to the railway. |
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Prado, Zenón José Guzmán Nuñez delhttp://lattes.cnpq.br/7703344458057759Prado, Zenón José Guzmán Nuñez delSoares, Renata MachadoSilva, Ramon Saleno Yure Rubim Costahttp://lattes.cnpq.br/7122036305436497Carvalho, Ana Flávia Paulino de2016-10-21T19:25:11Z2016-06-17CARVALHO, A. F. P. Análise paramétrica da vibração do solo induzida pelo tráfego ferroviário. 2016. 109 f. Dissertação (Mestrado em Geotecnia, Estruturas e Construção Civil) - Universidade Federal de Goiás, 2016.http://repositorio.bc.ufg.br/tede/handle/tede/6437The expansion of the railway network together with the urbanization process resulted in the train induced vibrations analysis. In this work was developed a parametric analysis of ground vibration induced by railway traffic from the representation of the train through a point load, normal to the ground, moving with constant velocity. The wheel load is elastically distributed on the railway track composed by rails, sleepers and ballast, generating the resulting load on the ground. The soil is formulated as a homogeneous, elastic, isotropic and linear solid material, and their displacements are calculated by the use of triple Fourier transform, assuming that the velocity of the train traffic is less than the Rayleigh waves. The methodology of this study is based on developing a computational code using the numerical tool MATLAB. After the validation of this program, the influences of the vibrations induced by rail traffic are analyzed parametrically considering variation in the type and train speed, the characteristics of the railway track, the soil properties and the distance between the observation point and the railroad. The results show the strong influence of several parameters of the problem in the displacement and the instantaneous velocity of ground vibration, especially when the train speed approaches to the speed of Rayleigh waves in the soil. The vibration values obtained are then compared with acceptable levels of current regulations according to the type and human use of buildings which are close to the railway.A expansão da malha ferroviária aliada ao processo de urbanização acarretaram na necessidade de análise do impacto da propagação da vibração no solo induzida pelo tráfego de trens. Neste trabalho é desenvolvida uma análise paramétrica da vibração do solo induzida pelo tráfego ferroviário a partir da representação do trem através de uma carga pontual normal ao solo movendo-se com velocidade constante. Esta carga de roda é distribuída elasticamente sobre a pista ferroviária composta pelos trilhos, dormentes e lastro, gerando o carregamento resultante no solo. O solo é formulado como um sólido homogêneo, elástico, isotrópico e linear e os seus deslocamentos são calculados através do uso da transformada tripla de Fourier, assumindo que a velocidade de tráfego do trem é inferior à velocidade das ondas de Rayleigh no solo considerado. A metodologia deste trabalho se baseia no desenvolvimento de um programa computacional com a utilização da ferramenta numérica MATLAB. Após a validação deste programa, as influências das vibrações induzidas pelo tráfego ferroviário são analisadas parametricamente a partir da variação do tipo e da velocidade do trem, das características da pista ferroviária, das propriedades do solo e da distância entre o ponto de observação e a ferrovia. Os resultados obtidos apresentam a forte influência dos diversos parâmetros do problema no deslocamento e na velocidade instantânea da vibração do solo, principalmente quando a velocidade do trem se aproxima à velocidade das ondas de Rayleigh no solo considerado. Os valores de vibração encontrados são então comparados com os níveis aceitáveis estabelecidos nas normas vigentes de acordo com o tipo e uso humano da construção que se encontra próxima à ferrovia.Submitted by Marlene Santos (marlene.bc.ufg@gmail.com) on 2016-10-20T18:30:20Z No. of bitstreams: 2 Dissertação - Ana Flávia Paulino de Carvalho - 2016.pdf: 2131091 bytes, checksum: 15ddf737ba58887ff8135af85c0c08d0 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)Approved for entry into archive by Jaqueline Silva (jtas29@gmail.com) on 2016-10-21T19:25:11Z (GMT) No. of bitstreams: 2 Dissertação - Ana Flávia Paulino de Carvalho - 2016.pdf: 2131091 bytes, checksum: 15ddf737ba58887ff8135af85c0c08d0 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)Made available in DSpace on 2016-10-21T19:25:11Z (GMT). No. of bitstreams: 2 Dissertação - Ana Flávia Paulino de Carvalho - 2016.pdf: 2131091 bytes, checksum: 15ddf737ba58887ff8135af85c0c08d0 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2016-06-17Fundação de Amparo à Pesquisa do Estado de Goiás - FAPEGapplication/pdfporUniversidade Federal de GoiásPrograma de Pós-graduação em Geotecnia, Estruturas e Construção Civil (EEC)UFGBrasilEscola de Engenharia Civil - EEC (RG)http://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessVibração no soloVibração induzida pela ferroviaPropagação da vibraçãoFerroviaSoil vibrationTrain induced vibrationsWave propagation in railwayESTRUTURAS::MECANICA DAS ESTRUTURASAnálise paramétrica da vibração do solo induzida pelo tráfego ferroviárioParametric analysis of ground vibration induced by railway trafficinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis6915322422128222104600600600600724087251626315585-2297152907790782217-961409807440757778reponame:Repositório Institucional da UFGinstname:Universidade Federal de Goiás (UFG)instacron:UFGLICENSElicense.txtlicense.txttext/plain; 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dc.title.por.fl_str_mv |
Análise paramétrica da vibração do solo induzida pelo tráfego ferroviário |
dc.title.alternative.eng.fl_str_mv |
Parametric analysis of ground vibration induced by railway traffic |
title |
Análise paramétrica da vibração do solo induzida pelo tráfego ferroviário |
spellingShingle |
Análise paramétrica da vibração do solo induzida pelo tráfego ferroviário Carvalho, Ana Flávia Paulino de Vibração no solo Vibração induzida pela ferrovia Propagação da vibração Ferrovia Soil vibration Train induced vibrations Wave propagation in railway ESTRUTURAS::MECANICA DAS ESTRUTURAS |
title_short |
Análise paramétrica da vibração do solo induzida pelo tráfego ferroviário |
title_full |
Análise paramétrica da vibração do solo induzida pelo tráfego ferroviário |
title_fullStr |
Análise paramétrica da vibração do solo induzida pelo tráfego ferroviário |
title_full_unstemmed |
Análise paramétrica da vibração do solo induzida pelo tráfego ferroviário |
title_sort |
Análise paramétrica da vibração do solo induzida pelo tráfego ferroviário |
author |
Carvalho, Ana Flávia Paulino de |
author_facet |
Carvalho, Ana Flávia Paulino de |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Prado, Zenón José Guzmán Nuñez del |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/7703344458057759 |
dc.contributor.referee1.fl_str_mv |
Prado, Zenón José Guzmán Nuñez del |
dc.contributor.referee2.fl_str_mv |
Soares, Renata Machado |
dc.contributor.referee3.fl_str_mv |
Silva, Ramon Saleno Yure Rubim Costa |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/7122036305436497 |
dc.contributor.author.fl_str_mv |
Carvalho, Ana Flávia Paulino de |
contributor_str_mv |
Prado, Zenón José Guzmán Nuñez del Prado, Zenón José Guzmán Nuñez del Soares, Renata Machado Silva, Ramon Saleno Yure Rubim Costa |
dc.subject.por.fl_str_mv |
Vibração no solo Vibração induzida pela ferrovia Propagação da vibração Ferrovia |
topic |
Vibração no solo Vibração induzida pela ferrovia Propagação da vibração Ferrovia Soil vibration Train induced vibrations Wave propagation in railway ESTRUTURAS::MECANICA DAS ESTRUTURAS |
dc.subject.eng.fl_str_mv |
Soil vibration Train induced vibrations Wave propagation in railway |
dc.subject.cnpq.fl_str_mv |
ESTRUTURAS::MECANICA DAS ESTRUTURAS |
description |
The expansion of the railway network together with the urbanization process resulted in the train induced vibrations analysis. In this work was developed a parametric analysis of ground vibration induced by railway traffic from the representation of the train through a point load, normal to the ground, moving with constant velocity. The wheel load is elastically distributed on the railway track composed by rails, sleepers and ballast, generating the resulting load on the ground. The soil is formulated as a homogeneous, elastic, isotropic and linear solid material, and their displacements are calculated by the use of triple Fourier transform, assuming that the velocity of the train traffic is less than the Rayleigh waves. The methodology of this study is based on developing a computational code using the numerical tool MATLAB. After the validation of this program, the influences of the vibrations induced by rail traffic are analyzed parametrically considering variation in the type and train speed, the characteristics of the railway track, the soil properties and the distance between the observation point and the railroad. The results show the strong influence of several parameters of the problem in the displacement and the instantaneous velocity of ground vibration, especially when the train speed approaches to the speed of Rayleigh waves in the soil. The vibration values obtained are then compared with acceptable levels of current regulations according to the type and human use of buildings which are close to the railway. |
publishDate |
2016 |
dc.date.accessioned.fl_str_mv |
2016-10-21T19:25:11Z |
dc.date.issued.fl_str_mv |
2016-06-17 |
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 |
CARVALHO, A. F. P. Análise paramétrica da vibração do solo induzida pelo tráfego ferroviário. 2016. 109 f. Dissertação (Mestrado em Geotecnia, Estruturas e Construção Civil) - Universidade Federal de Goiás, 2016. |
dc.identifier.uri.fl_str_mv |
http://repositorio.bc.ufg.br/tede/handle/tede/6437 |
identifier_str_mv |
CARVALHO, A. F. P. Análise paramétrica da vibração do solo induzida pelo tráfego ferroviário. 2016. 109 f. Dissertação (Mestrado em Geotecnia, Estruturas e Construção Civil) - Universidade Federal de Goiás, 2016. |
url |
http://repositorio.bc.ufg.br/tede/handle/tede/6437 |
dc.language.iso.fl_str_mv |
por |
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por |
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6915322422128222104 |
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600 600 600 600 |
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724087251626315585 |
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-2297152907790782217 |
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dc.rights.driver.fl_str_mv |
http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess |
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http://creativecommons.org/licenses/by-nc-nd/4.0/ |
eu_rights_str_mv |
openAccess |
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application/pdf |
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Universidade Federal de Goiás |
dc.publisher.program.fl_str_mv |
Programa de Pós-graduação em Geotecnia, Estruturas e Construção Civil (EEC) |
dc.publisher.initials.fl_str_mv |
UFG |
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Brasil |
dc.publisher.department.fl_str_mv |
Escola de Engenharia Civil - EEC (RG) |
publisher.none.fl_str_mv |
Universidade Federal de Goiás |
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