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dc.contributor.authorPilehvar, Shima 
dc.contributor.authorSzczotok, Anna M. 
dc.contributor.authorRodríguez, Juan Francisco 
dc.contributor.authorValentini, Luca 
dc.contributor.authorLanzón Torres, Juan Marcos 
dc.contributor.authorPamies Porras, Ramón Francisco 
dc.contributor.authorKjoniksen, Anna-Lena
dc.identifier.citationShima Pilehvar, Anna M. Szczotok, Juan Francisco Rodríguez, Luca Valentini, Marcos Lanzón, Ramón Pamies, Anna-Lena Kjøniksen, Effect of freeze-thaw cycles on the mechanical behavior of geopolymer concrete and Portland cement concrete containing micro-encapsulated phase change materials, Construction and Building Materials, Volume 200, 2019, Pages 94-103, ISSN 0950-0618,
dc.description.abstractThe effect of frost conditions on the physical and mechanical properties of geopolymer concrete (GPC) and Portland cement concrete (PCC) containing two different micro-encapsulated phase change materials (MPCM) was examined. Microstructural studies revealed that the freeze-thaw induced concrete deterioration can be contributed to microcracks appearing at the weak interfacial transition zones between paste/aggregate and paste/MPCM. The addition of MPCM provided an excellent resistance against freeze-thaw cycles with minor reduction of the compressive strength, unlike the samples without MPCM where a stronger reduction was observed. When the temperature was reduced to 0 degrees C, the initial setting time of Portland cement pastes became longer due to the low temperature and the high viscosity. For geopolymer pastes, the initial setting time became shorter due to phase separation of the alkaline solution at low temperatures. Increasing the MPCM concentration reduced the final setting time for both Portland cement and geopolymer pastes. (C) 2018 The Authors. Published by Elsevier Ltd.es_ES
dc.description.sponsorshipWe gratefully acknowledge funding from the Research Council of Norway, project number 238198. The authors acknowledge "Este trabajo es resultado de la actividad desarrollada en el marco del Programa de Ayudas a Grupos de Excelencia de la Region de Murcia, de la Fundacion Seneca, Agencia de Ciencia y Tecnologia de la Region de Murcia (Grant # 19877/GERM/15)". We would like to thank Tonje Jensen for technical assistance.es_ES
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.titleEffect of freeze-thaw cycles on the mechanical behavior of geopolymer concrete and Portland cement concrete containing micro-encapsulated phase change materialses_ES
dc.subjectGeopolymer concretees_ES
dc.subjectPortland cement concretees_ES
dc.subjectMicro-encapsulated phase change materialses_ES
dc.subjectFreeze-thaw cycleses_ES
dc.subjectCompressive strengthes_ES
dc.subjectSetting timeses_ES
dc.subject.otherCiencia de los Materiales e Ingeniería Metalúrgicaes_ES
dc.subject.otherIngeniería de la Construcciónes_ES
dc.subject.unesco3305 Tecnología de la Construcciónes_ES
dc.subject.unesco3305.22 Metrología de la Edificaciónes_ES
dc.subject.unesco3312 Tecnología de Materialeses_ES
dc.contributor.convenianteUniversidad Politécnica de Cartagenaes_ES
dc.contributor.convenianteUniversidad de Castilla-La Manchaes_ES
dc.contributor.convenianteColegio Universitario Ostfoldes_ES
dc.contributor.convenianteUniversidad de Paduaes_ES

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Atribución-NoComercial-SinDerivadas 3.0 España
Except where otherwise noted, this item's license is described as Atribución-NoComercial-SinDerivadas 3.0 España