Time-Dependent Reliability of Reinforced Concrete Considering Chloride Penetration via Boundary Element Method
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Latin American journal of solids and structures (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-78252020000800609 |
Resumo: | ABSTRACT Strength degradation of structural materials is an inevitable process, due to deleterious actions such as corrosion and fatigue. These phenomena are also typically random, with degradation rates and starting time of degradation process largely uncertain. In reinforced concrete structures, corrosion of reinforcing bars caused by chloride ions is one of the main pathological manifestations. Past studies on the time-variant reliability of reinforced concrete structures subject to corrosion have relied on simplified analytical models for estimating the depassivation time. This study contributes with an accurate modelling of chloride diffusion through concrete using the boundary element method, which is employed for the first time within a time-variant reliability framework. Cumulative failure probabilities are evaluated in time by considering random depassivation times, random corrosion evolution, and random load processes. The time-variant reliability problem is solved using Monte Carlo simulation. An application example is presented, demonstrating the capabilities of the proposed framework. |
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Latin American journal of solids and structures (Online) |
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spelling |
Time-Dependent Reliability of Reinforced Concrete Considering Chloride Penetration via Boundary Element MethodReinforced Concretecorrosion, time-dependent reliabilityBoundary Element MethodABSTRACT Strength degradation of structural materials is an inevitable process, due to deleterious actions such as corrosion and fatigue. These phenomena are also typically random, with degradation rates and starting time of degradation process largely uncertain. In reinforced concrete structures, corrosion of reinforcing bars caused by chloride ions is one of the main pathological manifestations. Past studies on the time-variant reliability of reinforced concrete structures subject to corrosion have relied on simplified analytical models for estimating the depassivation time. This study contributes with an accurate modelling of chloride diffusion through concrete using the boundary element method, which is employed for the first time within a time-variant reliability framework. Cumulative failure probabilities are evaluated in time by considering random depassivation times, random corrosion evolution, and random load processes. The time-variant reliability problem is solved using Monte Carlo simulation. An application example is presented, demonstrating the capabilities of the proposed framework.Associação Brasileira de Ciências Mecânicas2020-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-78252020000800609Latin American Journal of Solids and Structures v.17 n.8 2020reponame:Latin American journal of solids and structures (Online)instname:Associação Brasileira de Engenharia e Ciências Mecânicas (ABCM)instacron:ABCM10.1590/1679-78255885info:eu-repo/semantics/openAccessPellizzer,Giovanni PaisKroetz,Henrique MachadoLeonel,Edson DennerBeck,André Teófiloeng2020-12-09T00:00:00Zoai:scielo:S1679-78252020000800609Revistahttp://www.scielo.br/scielo.php?script=sci_serial&pid=1679-7825&lng=pt&nrm=isohttps://old.scielo.br/oai/scielo-oai.phpabcm@abcm.org.br||maralves@usp.br1679-78251679-7817opendoar:2020-12-09T00:00Latin American journal of solids and structures (Online) - Associação Brasileira de Engenharia e Ciências Mecânicas (ABCM)false |
dc.title.none.fl_str_mv |
Time-Dependent Reliability of Reinforced Concrete Considering Chloride Penetration via Boundary Element Method |
title |
Time-Dependent Reliability of Reinforced Concrete Considering Chloride Penetration via Boundary Element Method |
spellingShingle |
Time-Dependent Reliability of Reinforced Concrete Considering Chloride Penetration via Boundary Element Method Pellizzer,Giovanni Pais Reinforced Concrete corrosion, time-dependent reliability Boundary Element Method |
title_short |
Time-Dependent Reliability of Reinforced Concrete Considering Chloride Penetration via Boundary Element Method |
title_full |
Time-Dependent Reliability of Reinforced Concrete Considering Chloride Penetration via Boundary Element Method |
title_fullStr |
Time-Dependent Reliability of Reinforced Concrete Considering Chloride Penetration via Boundary Element Method |
title_full_unstemmed |
Time-Dependent Reliability of Reinforced Concrete Considering Chloride Penetration via Boundary Element Method |
title_sort |
Time-Dependent Reliability of Reinforced Concrete Considering Chloride Penetration via Boundary Element Method |
author |
Pellizzer,Giovanni Pais |
author_facet |
Pellizzer,Giovanni Pais Kroetz,Henrique Machado Leonel,Edson Denner Beck,André Teófilo |
author_role |
author |
author2 |
Kroetz,Henrique Machado Leonel,Edson Denner Beck,André Teófilo |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Pellizzer,Giovanni Pais Kroetz,Henrique Machado Leonel,Edson Denner Beck,André Teófilo |
dc.subject.por.fl_str_mv |
Reinforced Concrete corrosion, time-dependent reliability Boundary Element Method |
topic |
Reinforced Concrete corrosion, time-dependent reliability Boundary Element Method |
description |
ABSTRACT Strength degradation of structural materials is an inevitable process, due to deleterious actions such as corrosion and fatigue. These phenomena are also typically random, with degradation rates and starting time of degradation process largely uncertain. In reinforced concrete structures, corrosion of reinforcing bars caused by chloride ions is one of the main pathological manifestations. Past studies on the time-variant reliability of reinforced concrete structures subject to corrosion have relied on simplified analytical models for estimating the depassivation time. This study contributes with an accurate modelling of chloride diffusion through concrete using the boundary element method, which is employed for the first time within a time-variant reliability framework. Cumulative failure probabilities are evaluated in time by considering random depassivation times, random corrosion evolution, and random load processes. The time-variant reliability problem is solved using Monte Carlo simulation. An application example is presented, demonstrating the capabilities of the proposed framework. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-01-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-78252020000800609 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-78252020000800609 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/1679-78255885 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Associação Brasileira de Ciências Mecânicas |
publisher.none.fl_str_mv |
Associação Brasileira de Ciências Mecânicas |
dc.source.none.fl_str_mv |
Latin American Journal of Solids and Structures v.17 n.8 2020 reponame:Latin American journal of solids and structures (Online) instname:Associação Brasileira de Engenharia e Ciências Mecânicas (ABCM) instacron:ABCM |
instname_str |
Associação Brasileira de Engenharia e Ciências Mecânicas (ABCM) |
instacron_str |
ABCM |
institution |
ABCM |
reponame_str |
Latin American journal of solids and structures (Online) |
collection |
Latin American journal of solids and structures (Online) |
repository.name.fl_str_mv |
Latin American journal of solids and structures (Online) - Associação Brasileira de Engenharia e Ciências Mecânicas (ABCM) |
repository.mail.fl_str_mv |
abcm@abcm.org.br||maralves@usp.br |
_version_ |
1754302890712760320 |