Assessment of the post-fire residual bearing capacity of FRC and hybrid RC-FRC tunnel sections considering thermal spalling

A design-oriented numerical model for the analysis of RC, FRC, and RC-FRC tunnel sections exposed to fire with different spalling parameters is presented. The numerical model is conceived in two steps: the first is the determination of the temperature field in the cross-section exposed to fire accor...

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Detalles Bibliográficos
Autores: Serafini, Ramoel, Fuente Antequera, Albert de la|||0000-0002-8016-1677, Domingues de Figueiredo, Antonio
Tipo de recurso: artículo
Fecha de publicación:2021
País:España
Institución:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/360624
Acceso en línea:https://hdl.handle.net/2117/360624
https://dx.doi.org/10.1617/s11527-021-01819-2
Access Level:acceso abierto
Palabra clave:Building
Constructions--Accessoires
Fire prevention
Fire
Fiber reinforced concrete
Thermal spalling
Bearing capacity
Tunnel lining
Construcció
Edificis--Instal·lacions
Incendis--Prevenció
Àrees temàtiques de la UPC::Edificació::Instal·lacions i acondicionament d'edificis
Àrees temàtiques de la UPC::Enginyeria civil::Materials i estructures
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repository_id_str
spelling Assessment of the post-fire residual bearing capacity of FRC and hybrid RC-FRC tunnel sections considering thermal spallingSerafini, RamoelFuente Antequera, Albert de la|||0000-0002-8016-1677Domingues de Figueiredo, AntonioBuildingConstructions--AccessoiresFire preventionFireFiber reinforced concreteThermal spallingBearing capacityTunnel liningConstruccióEdificis--Instal·lacionsIncendis--PrevencióÀrees temàtiques de la UPC::Edificació::Instal·lacions i acondicionament d'edificisÀrees temàtiques de la UPC::Enginyeria civil::Materials i estructuresA design-oriented numerical model for the analysis of RC, FRC, and RC-FRC tunnel sections exposed to fire with different spalling parameters is presented. The numerical model is conceived in two steps: the first is the determination of the temperature field in the cross-section exposed to fire according to the spalling parameters; and the second is the determination of the bearing capacity of sections based on the thermal field in the section. At last, a parametric study was conducted to evaluate the effect of the fire curve, the spalling parameters, the reinforcement type, and the rebar’s concrete cover on the bearing capacity of the sections. The results showed that the use of FRC as total or partial substitution to RC mitigates the fire-related reduction in the bearing capacity of the sections. Moreover, increasing the RC concrete cover is beneficial only if thermal spalling is avoided. When thermal spalling occurs, the FRC and RC-FRC solutions yielded the lowest reductions in the bearing capacity among the reinforcement solutions tested.Peer Reviewed20212021-12-0120222022-01-25journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/2117/360624https://dx.doi.org/10.1617/s11527-021-01819-2reponame:UPCommons. Portal del coneixement obert de la UPCinstname:Universitat Politècnica de Catalunya (UPC)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2Attribution-NonCommercial-NoDerivs 3.0 Spainhttp://creativecommons.org/licenses/by-nc-nd/3.0/es/info:eu-repo/semantics/openAccessoai:upcommons.upc.edu:2117/3606242026-05-27T15:37:01Z
dc.title.none.fl_str_mv Assessment of the post-fire residual bearing capacity of FRC and hybrid RC-FRC tunnel sections considering thermal spalling
title Assessment of the post-fire residual bearing capacity of FRC and hybrid RC-FRC tunnel sections considering thermal spalling
spellingShingle Assessment of the post-fire residual bearing capacity of FRC and hybrid RC-FRC tunnel sections considering thermal spalling
Serafini, Ramoel
Building
Constructions--Accessoires
Fire prevention
Fire
Fiber reinforced concrete
Thermal spalling
Bearing capacity
Tunnel lining
Construcció
Edificis--Instal·lacions
Incendis--Prevenció
Àrees temàtiques de la UPC::Edificació::Instal·lacions i acondicionament d'edificis
Àrees temàtiques de la UPC::Enginyeria civil::Materials i estructures
title_short Assessment of the post-fire residual bearing capacity of FRC and hybrid RC-FRC tunnel sections considering thermal spalling
title_full Assessment of the post-fire residual bearing capacity of FRC and hybrid RC-FRC tunnel sections considering thermal spalling
title_fullStr Assessment of the post-fire residual bearing capacity of FRC and hybrid RC-FRC tunnel sections considering thermal spalling
title_full_unstemmed Assessment of the post-fire residual bearing capacity of FRC and hybrid RC-FRC tunnel sections considering thermal spalling
title_sort Assessment of the post-fire residual bearing capacity of FRC and hybrid RC-FRC tunnel sections considering thermal spalling
dc.creator.none.fl_str_mv Serafini, Ramoel
Fuente Antequera, Albert de la|||0000-0002-8016-1677
Domingues de Figueiredo, Antonio
author Serafini, Ramoel
author_facet Serafini, Ramoel
Fuente Antequera, Albert de la|||0000-0002-8016-1677
Domingues de Figueiredo, Antonio
author_role author
author2 Fuente Antequera, Albert de la|||0000-0002-8016-1677
Domingues de Figueiredo, Antonio
author2_role author
author
dc.subject.none.fl_str_mv Building
Constructions--Accessoires
Fire prevention
Fire
Fiber reinforced concrete
Thermal spalling
Bearing capacity
Tunnel lining
Construcció
Edificis--Instal·lacions
Incendis--Prevenció
Àrees temàtiques de la UPC::Edificació::Instal·lacions i acondicionament d'edificis
Àrees temàtiques de la UPC::Enginyeria civil::Materials i estructures
topic Building
Constructions--Accessoires
Fire prevention
Fire
Fiber reinforced concrete
Thermal spalling
Bearing capacity
Tunnel lining
Construcció
Edificis--Instal·lacions
Incendis--Prevenció
Àrees temàtiques de la UPC::Edificació::Instal·lacions i acondicionament d'edificis
Àrees temàtiques de la UPC::Enginyeria civil::Materials i estructures
description A design-oriented numerical model for the analysis of RC, FRC, and RC-FRC tunnel sections exposed to fire with different spalling parameters is presented. The numerical model is conceived in two steps: the first is the determination of the temperature field in the cross-section exposed to fire according to the spalling parameters; and the second is the determination of the bearing capacity of sections based on the thermal field in the section. At last, a parametric study was conducted to evaluate the effect of the fire curve, the spalling parameters, the reinforcement type, and the rebar’s concrete cover on the bearing capacity of the sections. The results showed that the use of FRC as total or partial substitution to RC mitigates the fire-related reduction in the bearing capacity of the sections. Moreover, increasing the RC concrete cover is beneficial only if thermal spalling is avoided. When thermal spalling occurs, the FRC and RC-FRC solutions yielded the lowest reductions in the bearing capacity among the reinforcement solutions tested.
publishDate 2021
dc.date.none.fl_str_mv 2021
2021-12-01
2022
2022-01-25
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/2117/360624
https://dx.doi.org/10.1617/s11527-021-01819-2
url https://hdl.handle.net/2117/360624
https://dx.doi.org/10.1617/s11527-021-01819-2
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:UPCommons. Portal del coneixement obert de la UPC
instname:Universitat Politècnica de Catalunya (UPC)
instname_str Universitat Politècnica de Catalunya (UPC)
reponame_str UPCommons. Portal del coneixement obert de la UPC
collection UPCommons. Portal del coneixement obert de la UPC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,301603

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