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dc.contributor.author
Piqué, Teresa María
dc.contributor.author
Balzamo, Humberto Marcelo
dc.contributor.author
Vázquez, Analía
dc.date.available
2023-11-10T11:27:45Z
dc.date.issued
2011-01
dc.identifier.citation
Piqué, Teresa María; Balzamo, Humberto Marcelo; Vázquez, Analía; Evaluation of the hydration of Portland cement modified with polyvinyl alcohol and nano clay; Trans TEch Publishers; Key Engineering Materials; 466; 1-2011; 47-56
dc.identifier.issn
1013-9826
dc.identifier.uri
http://hdl.handle.net/11336/217692
dc.description.abstract
Polyvinylalcohol (PVA) is a polymer soluble in hot water, it has the property of film formation and it can improve the concrete performance. The effects of PVA modified with nano clay on the cement hydration reaction have been investigated by means of semiadiabatic calorimeter, FTIR spectroscopy and SEM. FTIR spectroscopy was employed to monitor chemical transformation of cement. The morphology of the different samples was compared by means of SEM micrographs. With the semiadiabatic calorimeter the hydration kinetic was measured to compare the heat rate of the admixtures materials. Fixing the water-cement ratio, w/c, in 0,45, the ratio of polymer to cement (p/c) was 2 wt% and the ratio of clay to polymer was 4 wt% (0.8wt.% related to cement). The polymer and modified polymer admixtures produced a retardation effect on the kinetic of cement hydration, but the clay acts as nucleating agent. The increase of the temperature with time was measured and a new model with four parameters was employed and the kinetic parameters were determined for each sample.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Trans TEch Publishers
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
BENTONITE
dc.subject
CEMENT
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CLAY
dc.subject
HYDRATION
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POLYMER
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POLYVINYLALCOHOL
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Ingeniería de los Materiales
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Ingeniería de los Materiales
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INGENIERÍAS Y TECNOLOGÍAS
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Ingeniería Civil
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Ingeniería Civil
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INGENIERÍAS Y TECNOLOGÍAS
dc.title
Evaluation of the hydration of Portland cement modified with polyvinyl alcohol and nano clay
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-04-04T12:03:22Z
dc.journal.volume
466
dc.journal.pagination
47-56
dc.journal.pais
Reino Unido
dc.description.fil
Fil: Piqué, Teresa María. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Oficina de Coordinacion Administrativa Houssay. Instituto de Tecnologías y Ciencias de la Ingenieria "Hilario Fernandez Long". Grupo Vinculado al Intecin - Grupo Interdisciplinario en Materiales; Argentina
dc.description.fil
Fil: Balzamo, Humberto Marcelo. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Oficina de Coordinacion Administrativa Houssay. Instituto de Tecnologías y Ciencias de la Ingenieria "Hilario Fernandez Long". Grupo Vinculado al Intecin - Grupo Interdisciplinario en Materiales; Argentina
dc.description.fil
Fil: Vázquez, Analía. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Oficina de Coordinacion Administrativa Houssay. Instituto de Tecnologías y Ciencias de la Ingenieria "Hilario Fernandez Long". Grupo Vinculado al Intecin - Grupo Interdisciplinario en Materiales; Argentina
dc.journal.title
Key Engineering Materials
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.scientific.net/KEM.466.47
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.4028/www.scientific.net/KEM.466.47
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