Limit analysis of loaded out-of-plane rubble masonry: a case study in Portugal
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | https://hdl.handle.net/1822/27650 |
Resumo: | An integrated methodology for the characterization of the response of rubble masonry is presented. The behaviour at collapse of a wall belonging to the Guimarães castle (Portugal) is investigated through a rigid-plastic homogenization procedure, accounting both for the actual disposition of the blocks constituting the walls and texture irregularity, given by the variability of block dimensions. A detailed survey is conducted by means of a photogrammetric technique, allowing for a precise characterization of blocks dimensions and disposition. After a geometric simplification assuming mortar joints reduced to interfaces, homogenized masonry in- and out-of-plane strength domains are evaluated on a number of different representing elements of volume (RVEs) having different sizes and sampled on the walls of the castle. Strength domains are obtained using a finite element (FE) limit analysis with a heterogeneous discretization by triangles and interfaces. Finally, a series of limit analyses are carried out on the façade for the safety assessment under seismic loads by means of two numerical models, the first one being a heterogeneous model and the second a homogenized approach. The reliability of the results, in terms of limit load and failure mechanism, provided by the homogenized model, when compared to the heterogeneous one is satisfactory. |
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Limit analysis of loaded out-of-plane rubble masonry: a case study in PortugalHomogenizationQuasi-periodic masonryGeometrical surveyLimit analysisStructural safetySampled RVEsAn integrated methodology for the characterization of the response of rubble masonry is presented. The behaviour at collapse of a wall belonging to the Guimarães castle (Portugal) is investigated through a rigid-plastic homogenization procedure, accounting both for the actual disposition of the blocks constituting the walls and texture irregularity, given by the variability of block dimensions. A detailed survey is conducted by means of a photogrammetric technique, allowing for a precise characterization of blocks dimensions and disposition. After a geometric simplification assuming mortar joints reduced to interfaces, homogenized masonry in- and out-of-plane strength domains are evaluated on a number of different representing elements of volume (RVEs) having different sizes and sampled on the walls of the castle. Strength domains are obtained using a finite element (FE) limit analysis with a heterogeneous discretization by triangles and interfaces. Finally, a series of limit analyses are carried out on the façade for the safety assessment under seismic loads by means of two numerical models, the first one being a heterogeneous model and the second a homogenized approach. The reliability of the results, in terms of limit load and failure mechanism, provided by the homogenized model, when compared to the heterogeneous one is satisfactory.(undefined)Civil-Comp PressUniversidade do MinhoMilani, G.Esquivel Fernández, Yhosimi WashingtonLourenço, Paulo B.Riveiro, BelénOliveira, Daniel V.2013-062013-06-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/1822/27650eng97819050885771759-3433info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-07-21T12:18:55Zoai:repositorium.sdum.uminho.pt:1822/27650Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T19:11:45.894383Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
Limit analysis of loaded out-of-plane rubble masonry: a case study in Portugal |
title |
Limit analysis of loaded out-of-plane rubble masonry: a case study in Portugal |
spellingShingle |
Limit analysis of loaded out-of-plane rubble masonry: a case study in Portugal Milani, G. Homogenization Quasi-periodic masonry Geometrical survey Limit analysis Structural safety Sampled RVEs |
title_short |
Limit analysis of loaded out-of-plane rubble masonry: a case study in Portugal |
title_full |
Limit analysis of loaded out-of-plane rubble masonry: a case study in Portugal |
title_fullStr |
Limit analysis of loaded out-of-plane rubble masonry: a case study in Portugal |
title_full_unstemmed |
Limit analysis of loaded out-of-plane rubble masonry: a case study in Portugal |
title_sort |
Limit analysis of loaded out-of-plane rubble masonry: a case study in Portugal |
author |
Milani, G. |
author_facet |
Milani, G. Esquivel Fernández, Yhosimi Washington Lourenço, Paulo B. Riveiro, Belén Oliveira, Daniel V. |
author_role |
author |
author2 |
Esquivel Fernández, Yhosimi Washington Lourenço, Paulo B. Riveiro, Belén Oliveira, Daniel V. |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
Universidade do Minho |
dc.contributor.author.fl_str_mv |
Milani, G. Esquivel Fernández, Yhosimi Washington Lourenço, Paulo B. Riveiro, Belén Oliveira, Daniel V. |
dc.subject.por.fl_str_mv |
Homogenization Quasi-periodic masonry Geometrical survey Limit analysis Structural safety Sampled RVEs |
topic |
Homogenization Quasi-periodic masonry Geometrical survey Limit analysis Structural safety Sampled RVEs |
description |
An integrated methodology for the characterization of the response of rubble masonry is presented. The behaviour at collapse of a wall belonging to the Guimarães castle (Portugal) is investigated through a rigid-plastic homogenization procedure, accounting both for the actual disposition of the blocks constituting the walls and texture irregularity, given by the variability of block dimensions. A detailed survey is conducted by means of a photogrammetric technique, allowing for a precise characterization of blocks dimensions and disposition. After a geometric simplification assuming mortar joints reduced to interfaces, homogenized masonry in- and out-of-plane strength domains are evaluated on a number of different representing elements of volume (RVEs) having different sizes and sampled on the walls of the castle. Strength domains are obtained using a finite element (FE) limit analysis with a heterogeneous discretization by triangles and interfaces. Finally, a series of limit analyses are carried out on the façade for the safety assessment under seismic loads by means of two numerical models, the first one being a heterogeneous model and the second a homogenized approach. The reliability of the results, in terms of limit load and failure mechanism, provided by the homogenized model, when compared to the heterogeneous one is satisfactory. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-06 2013-06-01T00:00:00Z |
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.uri.fl_str_mv |
https://hdl.handle.net/1822/27650 |
url |
https://hdl.handle.net/1822/27650 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
9781905088577 1759-3433 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Civil-Comp Press |
publisher.none.fl_str_mv |
Civil-Comp Press |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
instname_str |
Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
instacron_str |
RCAAP |
institution |
RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
collection |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository.name.fl_str_mv |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
repository.mail.fl_str_mv |
|
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1799132550623395840 |