Bifurcation Analysis of Columns of Composite Materials with Thermal Variation
Autor(a) principal: | |
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Data de Publicação: | 2021 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Materials research (São Carlos. Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000800209 |
Resumo: | Abstract Civil structures are, normally, subjected to gravitational and thermal loads. The association of the effects of these loads should be the object of analysis when the loss of stability of the slender columns was verifying. In the case of reinforced concrete structures, temperature variations induce internal stresses in addition to gravitational ones since they are caused by the difference in the thermal properties of steel and concrete. Since the structure is a slender system, its stiffness was divided into two parts. In the first one, the properties of the concrete were introduced, including cracking and creep, doing the equations obtained at the time-dependent mathematical process. In the second, the geometric, the construction imperfections and the internal efforts mobilized by the temperature variation were considered. Additionally, strains and thermal loads were considered together. At the end, the values of critical buckling loads for different moments of interest were determined. |
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Bifurcation Analysis of Columns of Composite Materials with Thermal Variationthermal variationcritical buckling loadmathematical analysisslender columnsAbstract Civil structures are, normally, subjected to gravitational and thermal loads. The association of the effects of these loads should be the object of analysis when the loss of stability of the slender columns was verifying. In the case of reinforced concrete structures, temperature variations induce internal stresses in addition to gravitational ones since they are caused by the difference in the thermal properties of steel and concrete. Since the structure is a slender system, its stiffness was divided into two parts. In the first one, the properties of the concrete were introduced, including cracking and creep, doing the equations obtained at the time-dependent mathematical process. In the second, the geometric, the construction imperfections and the internal efforts mobilized by the temperature variation were considered. Additionally, strains and thermal loads were considered together. At the end, the values of critical buckling loads for different moments of interest were determined.ABM, ABC, ABPol2021-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000800209Materials Research v.24 suppl.2 2021reponame:Materials research (São Carlos. Online)instname:Universidade Federal de São Carlos (UFSCAR)instacron:ABM ABC ABPOL10.1590/1980-5373-mr-2021-0266info:eu-repo/semantics/openAccessWahrhaftig,Alexandre de MacêdoMagalhães,Kaique Moreira Matoseng2021-11-12T00:00:00Zoai:scielo:S1516-14392021000800209Revistahttp://www.scielo.br/mrPUBhttps://old.scielo.br/oai/scielo-oai.phpdedz@power.ufscar.br1980-53731516-1439opendoar:2021-11-12T00:00Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR)false |
dc.title.none.fl_str_mv |
Bifurcation Analysis of Columns of Composite Materials with Thermal Variation |
title |
Bifurcation Analysis of Columns of Composite Materials with Thermal Variation |
spellingShingle |
Bifurcation Analysis of Columns of Composite Materials with Thermal Variation Wahrhaftig,Alexandre de Macêdo thermal variation critical buckling load mathematical analysis slender columns |
title_short |
Bifurcation Analysis of Columns of Composite Materials with Thermal Variation |
title_full |
Bifurcation Analysis of Columns of Composite Materials with Thermal Variation |
title_fullStr |
Bifurcation Analysis of Columns of Composite Materials with Thermal Variation |
title_full_unstemmed |
Bifurcation Analysis of Columns of Composite Materials with Thermal Variation |
title_sort |
Bifurcation Analysis of Columns of Composite Materials with Thermal Variation |
author |
Wahrhaftig,Alexandre de Macêdo |
author_facet |
Wahrhaftig,Alexandre de Macêdo Magalhães,Kaique Moreira Matos |
author_role |
author |
author2 |
Magalhães,Kaique Moreira Matos |
author2_role |
author |
dc.contributor.author.fl_str_mv |
Wahrhaftig,Alexandre de Macêdo Magalhães,Kaique Moreira Matos |
dc.subject.por.fl_str_mv |
thermal variation critical buckling load mathematical analysis slender columns |
topic |
thermal variation critical buckling load mathematical analysis slender columns |
description |
Abstract Civil structures are, normally, subjected to gravitational and thermal loads. The association of the effects of these loads should be the object of analysis when the loss of stability of the slender columns was verifying. In the case of reinforced concrete structures, temperature variations induce internal stresses in addition to gravitational ones since they are caused by the difference in the thermal properties of steel and concrete. Since the structure is a slender system, its stiffness was divided into two parts. In the first one, the properties of the concrete were introduced, including cracking and creep, doing the equations obtained at the time-dependent mathematical process. In the second, the geometric, the construction imperfections and the internal efforts mobilized by the temperature variation were considered. Additionally, strains and thermal loads were considered together. At the end, the values of critical buckling loads for different moments of interest were determined. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-01-01 |
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=S1516-14392021000800209 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000800209 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/1980-5373-mr-2021-0266 |
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 |
ABM, ABC, ABPol |
publisher.none.fl_str_mv |
ABM, ABC, ABPol |
dc.source.none.fl_str_mv |
Materials Research v.24 suppl.2 2021 reponame:Materials research (São Carlos. Online) instname:Universidade Federal de São Carlos (UFSCAR) instacron:ABM ABC ABPOL |
instname_str |
Universidade Federal de São Carlos (UFSCAR) |
instacron_str |
ABM ABC ABPOL |
institution |
ABM ABC ABPOL |
reponame_str |
Materials research (São Carlos. Online) |
collection |
Materials research (São Carlos. Online) |
repository.name.fl_str_mv |
Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR) |
repository.mail.fl_str_mv |
dedz@power.ufscar.br |
_version_ |
1754212679864549376 |