Paul Sardini, A. Bertron, Christelle De La Asunciòn-Parreira, M. Siitari-Kauppi, Dimitri Prêt, G. Escadeillas, S. Sammartino, O. Amiri
{"title":"Distribution spatiale de la porosité des matériaux cimentaires","authors":"Paul Sardini, A. Bertron, Christelle De La Asunciòn-Parreira, M. Siitari-Kauppi, Dimitri Prêt, G. Escadeillas, S. Sammartino, O. Amiri","doi":"10.1080/17747120.2007.9692955","DOIUrl":null,"url":null,"abstract":"ABSTRACT Degradation of cementitious matrix in aggressive aqueous environments among others is accompanied by modifications of the spatial distribution of connected porosity. The application of the 14C or 3H-PMMA (polyméthylmethacrylate) impregnation method gives a quantitative and multi-scale representation of this distribution. The first application concerns a mortar, allowing to visualise and to quantify the in situ cement porosity. The second application is related to a cement paste degraded by organic acids. This tool has many potential applications in the field of cementitious materials. It allows a sharp characterisation of internal porosity variations frequently found during durability studies, and furthermore, it provides a realistic geometrical representation of pore space that can be used for solute transfer modelling.","PeriodicalId":368904,"journal":{"name":"Revue Européenne de Génie Civil","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Revue Européenne de Génie Civil","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/17747120.2007.9692955","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
ABSTRACT Degradation of cementitious matrix in aggressive aqueous environments among others is accompanied by modifications of the spatial distribution of connected porosity. The application of the 14C or 3H-PMMA (polyméthylmethacrylate) impregnation method gives a quantitative and multi-scale representation of this distribution. The first application concerns a mortar, allowing to visualise and to quantify the in situ cement porosity. The second application is related to a cement paste degraded by organic acids. This tool has many potential applications in the field of cementitious materials. It allows a sharp characterisation of internal porosity variations frequently found during durability studies, and furthermore, it provides a realistic geometrical representation of pore space that can be used for solute transfer modelling.
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