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dc.contributor.authorBarberena-Fernández, A. M.es_ES
dc.contributor.authorBlanco-Varela, María Teresaes_ES
dc.contributor.authorCarmona-Quiroga, Paula Maríaes_ES
dc.date.accessioned2020-05-09T12:10:50Z-
dc.date.available2020-05-09T12:10:50Z-
dc.date.issued2019-
dc.identifier.citationCement and Concrete Composites 95: 271-276 (2019)es_ES
dc.identifier.issn0958-9465-
dc.identifier.urihttp://hdl.handle.net/10261/210885-
dc.description.abstractTetraethoxysilane or tetraethyl orthosilicate (TEOS), also known as ethyl silicate, traditionally applied to consolidate stone, has recently begun to be used on Portland cement mortars and concrete with promising results. TEOS not only fills the pores in the substrate, but reacts with the cement favouring the precipitation of new C-S-H gels that densify and strengthen the materials. This study explored the effectiveness of new TEOS-based treatments bearing nanosilica (NS) or nanolime (NC) and their compatibility with cement materials found in the built heritage, given the participation of the various products in the pozzolanic reactions that may induce additional C-S-H gel. The physical and hydric properties (mechanical strength, porosity, surface gloss and colour, water vapour permeability and low pressure water absorption) of a Portland cement mortar were determined before and after applying the consolidants. Ethyl silicate alone or in conjunction with nanolime (4:1) proved to most effectively raise material strength and improve water repellence while conserving the original colour and gloss.es_ES
dc.description.sponsorshipFunding from the Regional Government of Madrid (Geomateriales 2; S2013/MIT-2914) is gratefully acknowledged. Financial support for Dr. Paula M. Carmona-Quiroga was provided by the Spanish Ministry of the Economy and Competitiveness under project BIA2015-73237-JIN.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relationS2013/MIT-2914/GEOMATERIALES 2-CMes_ES
dc.relationMINECO/ICTI2013-2016/BIA2015-73237-JINes_ES
dc.rightsopenAccessen_EN
dc.subjectPortland cementes_ES
dc.subjectMortares_ES
dc.subjectHeritagees_ES
dc.subjectConsolidantes_ES
dc.subjectTEOSes_ES
dc.subjectNanosilicaes_ES
dc.titleUse of nanosilica- or nanolime-additioned TEOS to consolidate cementitious materials in heritage structures: Physical and mechanical properties of mortarses_ES
dc.typeartículoes_ES
dc.identifier.doihttp://dx.doi.org/10.1016/j.cemconcomp.2018.09.011-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttps://doi.org/10.1016/j.cemconcomp.2018.09.011es_ES
dc.identifier.e-issn1873-393X-
dc.embargo.terms2020-09-18es_ES
dc.contributor.funderMinisterio de Economía y Competitividad (España)es_ES
dc.contributor.funderComunidad de Madrides_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.identifier.funderhttp://dx.doi.org/10.13039/100012818es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
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