Failure mechanisms in sand over a deep active trapdoor
Autor(a) principal: | |
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Data de Publicação: | 2009 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFRN |
Texto Completo: | https://repositorio.ufrn.br/handle/123456789/30579 |
Resumo: | An experimental testing program was undertaken to investigate failure mechanisms induced by the active movement of a deep rectangular trapdoor underlying a granular soil. Reduced-scale models were tested under normal gravity as well as under an increased gravitational field using a centrifuge facility. Some models were used to evaluate the performance of both flexible and rigid pipes undergoing a localized loss of support. Failure mechanisms in the longitudinal direction of the models were characterized by a single, well-defined failure surface that developed within the limits of the trapdoor. However, failure mechanisms in the transverse direction of the models were characterized by multiple failure surfaces extending outside the limits of the trapdoor. Significant dilation of the soil located immediately above the trapdoor was identified in the failure of the models. The pattern of the failure mechanisms was found to be affected by the stress level and backfill density. Higher stress levels were found to lead to well-developed failure zones. The influence of backfill density was found to be more relevant in models involving flexible pipes. Pipes embedded within loose backfill were severely damaged after loss of support, while pipes embedded in dense backfill experienced negligible deformations. These results indicate that damage to pipelines caused by ground loss of support can be significantly minimized by controlling the compaction of the fill |
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Costa, Yuri Daniel JatobáZornberg, Jorge GabrielBueno, Benedito de Souza; CostaCosta, Carina Maia Lins2020-11-13T17:45:45Z2020-11-13T17:45:45Z2009-11COSTA, Y. D. J.; ZORNBERG, Jorge G.; BUENO, Benedito S.; COSTA, Carina L.. Failure Mechanisms in Sand over a Deep Active Trapdoor. Journal of Geotechnical and Geoenvironmental Engineering, v. 135, p. 1741-1753, 2009. Disponível em: https://ascelibrary.org/doi/10.1061/%28ASCE%29GT.1943-5606.0000134. Acesso em: 05 nov. 2020. DOI: 10.1061/ ASCEGT.1943-5606.00001341943-56061090-0241https://repositorio.ufrn.br/handle/123456789/3057910.1061/ASCEGT.1943-5606.0000134ASCE - American Society of Civil EngineersAttribution 3.0 Brazilhttp://creativecommons.org/licenses/by/3.0/br/info:eu-repo/semantics/openAccessFailuresArchesBuried pipesModel testsSandSoil typeFailure mechanisms in sand over a deep active trapdoorinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleAn experimental testing program was undertaken to investigate failure mechanisms induced by the active movement of a deep rectangular trapdoor underlying a granular soil. Reduced-scale models were tested under normal gravity as well as under an increased gravitational field using a centrifuge facility. Some models were used to evaluate the performance of both flexible and rigid pipes undergoing a localized loss of support. Failure mechanisms in the longitudinal direction of the models were characterized by a single, well-defined failure surface that developed within the limits of the trapdoor. However, failure mechanisms in the transverse direction of the models were characterized by multiple failure surfaces extending outside the limits of the trapdoor. Significant dilation of the soil located immediately above the trapdoor was identified in the failure of the models. The pattern of the failure mechanisms was found to be affected by the stress level and backfill density. Higher stress levels were found to lead to well-developed failure zones. The influence of backfill density was found to be more relevant in models involving flexible pipes. Pipes embedded within loose backfill were severely damaged after loss of support, while pipes embedded in dense backfill experienced negligible deformations. These results indicate that damage to pipelines caused by ground loss of support can be significantly minimized by controlling the compaction of the fillengreponame:Repositório Institucional da UFRNinstname:Universidade Federal do Rio Grande do Norte (UFRN)instacron:UFRNORIGINALFailureMechanismsSand_Costa_2009.pdfFailureMechanismsSand_Costa_2009.pdfapplication/pdf1262000https://repositorio.ufrn.br/bitstream/123456789/30579/1/FailureMechanismsSand_Costa_2009.pdf5ed3e55b52368ee6202613379720d809MD51CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; charset=utf-8914https://repositorio.ufrn.br/bitstream/123456789/30579/2/license_rdf4d2950bda3d176f570a9f8b328dfbbefMD52LICENSElicense.txtlicense.txttext/plain; charset=utf-81484https://repositorio.ufrn.br/bitstream/123456789/30579/3/license.txte9597aa2854d128fd968be5edc8a28d9MD53TEXTFailureMechanismsSand_Costa_2009.pdf.txtFailureMechanismsSand_Costa_2009.pdf.txtExtracted texttext/plain67674https://repositorio.ufrn.br/bitstream/123456789/30579/4/FailureMechanismsSand_Costa_2009.pdf.txt6e21dedaee0cd4e6e0cee4ff35ca046aMD54THUMBNAILFailureMechanismsSand_Costa_2009.pdf.jpgFailureMechanismsSand_Costa_2009.pdf.jpgGenerated Thumbnailimage/jpeg1788https://repositorio.ufrn.br/bitstream/123456789/30579/5/FailureMechanismsSand_Costa_2009.pdf.jpg9d7d4246ad23bbcdbc2d624201bb7232MD55123456789/305792020-11-15 05:07:04.831oai:https://repositorio.ufrn.br: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Repositório de PublicaçõesPUBhttp://repositorio.ufrn.br/oai/opendoar:2020-11-15T08:07:04Repositório Institucional da UFRN - Universidade Federal do Rio Grande do Norte (UFRN)false |
dc.title.pt_BR.fl_str_mv |
Failure mechanisms in sand over a deep active trapdoor |
title |
Failure mechanisms in sand over a deep active trapdoor |
spellingShingle |
Failure mechanisms in sand over a deep active trapdoor Costa, Yuri Daniel Jatobá Failures Arches Buried pipes Model tests Sand Soil type |
title_short |
Failure mechanisms in sand over a deep active trapdoor |
title_full |
Failure mechanisms in sand over a deep active trapdoor |
title_fullStr |
Failure mechanisms in sand over a deep active trapdoor |
title_full_unstemmed |
Failure mechanisms in sand over a deep active trapdoor |
title_sort |
Failure mechanisms in sand over a deep active trapdoor |
author |
Costa, Yuri Daniel Jatobá |
author_facet |
Costa, Yuri Daniel Jatobá Zornberg, Jorge Gabriel Bueno, Benedito de Souza; Costa Costa, Carina Maia Lins |
author_role |
author |
author2 |
Zornberg, Jorge Gabriel Bueno, Benedito de Souza; Costa Costa, Carina Maia Lins |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Costa, Yuri Daniel Jatobá Zornberg, Jorge Gabriel Bueno, Benedito de Souza; Costa Costa, Carina Maia Lins |
dc.subject.por.fl_str_mv |
Failures Arches Buried pipes Model tests Sand Soil type |
topic |
Failures Arches Buried pipes Model tests Sand Soil type |
description |
An experimental testing program was undertaken to investigate failure mechanisms induced by the active movement of a deep rectangular trapdoor underlying a granular soil. Reduced-scale models were tested under normal gravity as well as under an increased gravitational field using a centrifuge facility. Some models were used to evaluate the performance of both flexible and rigid pipes undergoing a localized loss of support. Failure mechanisms in the longitudinal direction of the models were characterized by a single, well-defined failure surface that developed within the limits of the trapdoor. However, failure mechanisms in the transverse direction of the models were characterized by multiple failure surfaces extending outside the limits of the trapdoor. Significant dilation of the soil located immediately above the trapdoor was identified in the failure of the models. The pattern of the failure mechanisms was found to be affected by the stress level and backfill density. Higher stress levels were found to lead to well-developed failure zones. The influence of backfill density was found to be more relevant in models involving flexible pipes. Pipes embedded within loose backfill were severely damaged after loss of support, while pipes embedded in dense backfill experienced negligible deformations. These results indicate that damage to pipelines caused by ground loss of support can be significantly minimized by controlling the compaction of the fill |
publishDate |
2009 |
dc.date.issued.fl_str_mv |
2009-11 |
dc.date.accessioned.fl_str_mv |
2020-11-13T17:45:45Z |
dc.date.available.fl_str_mv |
2020-11-13T17:45:45Z |
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 |
COSTA, Y. D. J.; ZORNBERG, Jorge G.; BUENO, Benedito S.; COSTA, Carina L.. Failure Mechanisms in Sand over a Deep Active Trapdoor. Journal of Geotechnical and Geoenvironmental Engineering, v. 135, p. 1741-1753, 2009. Disponível em: https://ascelibrary.org/doi/10.1061/%28ASCE%29GT.1943-5606.0000134. Acesso em: 05 nov. 2020. DOI: 10.1061/ ASCEGT.1943-5606.0000134 |
dc.identifier.uri.fl_str_mv |
https://repositorio.ufrn.br/handle/123456789/30579 |
dc.identifier.issn.none.fl_str_mv |
1943-5606 1090-0241 |
dc.identifier.doi.none.fl_str_mv |
10.1061/ASCEGT.1943-5606.0000134 |
identifier_str_mv |
COSTA, Y. D. J.; ZORNBERG, Jorge G.; BUENO, Benedito S.; COSTA, Carina L.. Failure Mechanisms in Sand over a Deep Active Trapdoor. Journal of Geotechnical and Geoenvironmental Engineering, v. 135, p. 1741-1753, 2009. Disponível em: https://ascelibrary.org/doi/10.1061/%28ASCE%29GT.1943-5606.0000134. Acesso em: 05 nov. 2020. DOI: 10.1061/ ASCEGT.1943-5606.0000134 1943-5606 1090-0241 10.1061/ASCEGT.1943-5606.0000134 |
url |
https://repositorio.ufrn.br/handle/123456789/30579 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
Attribution 3.0 Brazil http://creativecommons.org/licenses/by/3.0/br/ info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Attribution 3.0 Brazil http://creativecommons.org/licenses/by/3.0/br/ |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
ASCE - American Society of Civil Engineers |
publisher.none.fl_str_mv |
ASCE - American Society of Civil Engineers |
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reponame:Repositório Institucional da UFRN instname:Universidade Federal do Rio Grande do Norte (UFRN) instacron:UFRN |
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Universidade Federal do Rio Grande do Norte (UFRN) |
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UFRN |
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UFRN |
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Repositório Institucional da UFRN |
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Repositório Institucional da UFRN |
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