Drying-rewetting cycles in ordinary Portland cement mortars investigated by electrical impedance spectroscopy

[EN] Changes caused in the porous microstructure of ordinary Portland cement (OPC) mortars were studied using electrical impedance spectroscopy (EIS) and equivalent circuit (EqC). Two successive processes, at 20 ºC and 50 °C, consisting of several drying-rewetting cycles, were applied to the mortars...

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Autores: Fita Fernández, Inmaculada Concepción|||0000-0002-0927-3668, Cruz González, José Mª|||0000-0002-1672-6354, Soriano Martinez, Lourdes|||0000-0002-5749-4609, Paya Bernabeu, Jorge Juan|||0000-0001-7425-5311, Calvo Muñoz, Clara, Sánchez Martín, Isidro
Tipo de recurso: artículo
Fecha de publicación:2018
País:España
Institución:Universitat Politècnica de València (UPV)
Repositorio:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Idioma:inglés
OAI Identifier:oai:riunet.upv.es:10251/111605
Acceso en línea:https://riunet.upv.es/handle/10251/111605
Access Level:acceso abierto
Palabra clave:Mortar
Gel-porosity
Capillary-porosity
Drying-rewetting
Electrical-impedance-spectroscopy
FISICA APLICADA
INGENIERIA DE LA CONSTRUCCION
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spelling Drying-rewetting cycles in ordinary Portland cement mortars investigated by electrical impedance spectroscopyFita Fernández, Inmaculada Concepción|||0000-0002-0927-3668Cruz González, José Mª|||0000-0002-1672-6354Soriano Martinez, Lourdes|||0000-0002-5749-4609Paya Bernabeu, Jorge Juan|||0000-0001-7425-5311Calvo Muñoz, ClaraSánchez Martín, IsidroMortarGel-porosityCapillary-porosityDrying-rewettingElectrical-impedance-spectroscopyFISICA APLICADAINGENIERIA DE LA CONSTRUCCION[EN] Changes caused in the porous microstructure of ordinary Portland cement (OPC) mortars were studied using electrical impedance spectroscopy (EIS) and equivalent circuit (EqC). Two successive processes, at 20 ºC and 50 °C, consisting of several drying-rewetting cycles, were applied to the mortars. After each cycle, the electrical impedance and the amount of water absorbed were measured. The EIS-EqC methodology allowed to find two distributed impedance relaxations, associated to capillary and gel-C-S-H porosities, respectively. At room temperature any microstructural change was not detected. Nevertheless, at 50 °C two microstructural changes were inferred: 1) the volume of accessible porosity increased (pore coarsening) and 2) the surface of the conductive path through C-S-H gel became more conductive (surface smoothing).The authors would like to thank the Spanish Ministry of Science and Innovation for supporting this research through the project BIA 2011-26947.ElsevierDepartamento de Física AplicadaDepartamento de Ingeniería de la Construcción y de Proyectos de Ingeniería CivilInstituto Universitario de Conservación y Mejora de la Agrodiversidad ValencianaEscuela Técnica Superior de Ingeniería de Caminos, Canales y PuertosEscuela Técnica Superior de Ingeniería Agronómica y del Medio NaturalInstituto Universitario de Investigación de Ciencia y Tecnología del HormigónMinisterio de Ciencia e InnovaciónRepositorio Institucional de la Universitat Politècnica de València Riunet20182018-01-01journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfapplication/pdfhttps://riunet.upv.es/handle/10251/111605reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valénciainstname:Universitat Politècnica de València (UPV)InglésengMinisterio de Ciencia e Innovación http://dx.doi.org/10.13039/501100004837 BIA2011-26947 REUTILIZACION DE RESIDUOS CERAMICOS Y DE DEMOLICION EN LA PREPARACION DE NUEVOS MATERIALES GEOPOLIMERICOSopen accesshttp://purl.org/coar/access_right/c_abf2Reconocimiento - No comercial - Sin obra derivada (by-nc-nd) http://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessoai:riunet.upv.es:10251/1116052026-06-13T07:49:27Z
dc.title.none.fl_str_mv Drying-rewetting cycles in ordinary Portland cement mortars investigated by electrical impedance spectroscopy
title Drying-rewetting cycles in ordinary Portland cement mortars investigated by electrical impedance spectroscopy
spellingShingle Drying-rewetting cycles in ordinary Portland cement mortars investigated by electrical impedance spectroscopy
Fita Fernández, Inmaculada Concepción|||0000-0002-0927-3668
Mortar
Gel-porosity
Capillary-porosity
Drying-rewetting
Electrical-impedance-spectroscopy
FISICA APLICADA
INGENIERIA DE LA CONSTRUCCION
title_short Drying-rewetting cycles in ordinary Portland cement mortars investigated by electrical impedance spectroscopy
title_full Drying-rewetting cycles in ordinary Portland cement mortars investigated by electrical impedance spectroscopy
title_fullStr Drying-rewetting cycles in ordinary Portland cement mortars investigated by electrical impedance spectroscopy
title_full_unstemmed Drying-rewetting cycles in ordinary Portland cement mortars investigated by electrical impedance spectroscopy
title_sort Drying-rewetting cycles in ordinary Portland cement mortars investigated by electrical impedance spectroscopy
dc.creator.none.fl_str_mv Fita Fernández, Inmaculada Concepción|||0000-0002-0927-3668
Cruz González, José Mª|||0000-0002-1672-6354
Soriano Martinez, Lourdes|||0000-0002-5749-4609
Paya Bernabeu, Jorge Juan|||0000-0001-7425-5311
Calvo Muñoz, Clara
Sánchez Martín, Isidro
author Fita Fernández, Inmaculada Concepción|||0000-0002-0927-3668
author_facet Fita Fernández, Inmaculada Concepción|||0000-0002-0927-3668
Cruz González, José Mª|||0000-0002-1672-6354
Soriano Martinez, Lourdes|||0000-0002-5749-4609
Paya Bernabeu, Jorge Juan|||0000-0001-7425-5311
Calvo Muñoz, Clara
Sánchez Martín, Isidro
author_role author
author2 Cruz González, José Mª|||0000-0002-1672-6354
Soriano Martinez, Lourdes|||0000-0002-5749-4609
Paya Bernabeu, Jorge Juan|||0000-0001-7425-5311
Calvo Muñoz, Clara
Sánchez Martín, Isidro
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Departamento de Física Aplicada
Departamento de Ingeniería de la Construcción y de Proyectos de Ingeniería Civil
Instituto Universitario de Conservación y Mejora de la Agrodiversidad Valenciana
Escuela Técnica Superior de Ingeniería de Caminos, Canales y Puertos
Escuela Técnica Superior de Ingeniería Agronómica y del Medio Natural
Instituto Universitario de Investigación de Ciencia y Tecnología del Hormigón
Ministerio de Ciencia e Innovación
Repositorio Institucional de la Universitat Politècnica de València Riunet
dc.subject.none.fl_str_mv Mortar
Gel-porosity
Capillary-porosity
Drying-rewetting
Electrical-impedance-spectroscopy
FISICA APLICADA
INGENIERIA DE LA CONSTRUCCION
topic Mortar
Gel-porosity
Capillary-porosity
Drying-rewetting
Electrical-impedance-spectroscopy
FISICA APLICADA
INGENIERIA DE LA CONSTRUCCION
description [EN] Changes caused in the porous microstructure of ordinary Portland cement (OPC) mortars were studied using electrical impedance spectroscopy (EIS) and equivalent circuit (EqC). Two successive processes, at 20 ºC and 50 °C, consisting of several drying-rewetting cycles, were applied to the mortars. After each cycle, the electrical impedance and the amount of water absorbed were measured. The EIS-EqC methodology allowed to find two distributed impedance relaxations, associated to capillary and gel-C-S-H porosities, respectively. At room temperature any microstructural change was not detected. Nevertheless, at 50 °C two microstructural changes were inferred: 1) the volume of accessible porosity increased (pore coarsening) and 2) the surface of the conductive path through C-S-H gel became more conductive (surface smoothing).
publishDate 2018
dc.date.none.fl_str_mv 2018
2018-01-01
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://riunet.upv.es/handle/10251/111605
url https://riunet.upv.es/handle/10251/111605
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.relation.none.fl_str_mv Ministerio de Ciencia e Innovación http://dx.doi.org/10.13039/501100004837 BIA2011-26947 REUTILIZACION DE RESIDUOS CERAMICOS Y DE DEMOLICION EN LA PREPARACION DE NUEVOS MATERIALES GEOPOLIMERICOS
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Reconocimiento - No comercial - Sin obra derivada (by-nc-nd)
http://creativecommons.org/licenses/by-nc-nd/4.0/
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
Reconocimiento - No comercial - Sin obra derivada (by-nc-nd)
http://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname:Universitat Politècnica de València (UPV)
instname_str Universitat Politècnica de València (UPV)
reponame_str RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
collection RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,300719

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