Apparent diffusivity model for concrete containing supplementary cementitious materials

dc.citation.epage714en_US
dc.citation.issue6en_US
dc.citation.jtitleACI Materials Journalen_US
dc.citation.spage705en_US
dc.citation.volume110en_US
dc.contributor.authorRiding, Kyle A.
dc.contributor.authorThomas, Michael D. A.
dc.contributor.authorFolliard, Kevin J.
dc.contributor.authoreidridingen_US
dc.date.accessioned2014-03-03T21:01:59Z
dc.date.available2014-03-03T21:01:59Z
dc.date.issued2014-03-03
dc.date.published2013en_US
dc.description.abstractConcrete’s resistance to chloride diffusion is one of the primary factors governing the concrete structure service life and life-cycle costs. This paper presents a new model developed for estimating the apparent concrete diffusivity based on the mixture proportions, cementitious materials used, and concrete age. The model includes the effects of supplementary cementitious material types commonly found in other service life models such as fly ash, ground-granulated blast-furnace slag, and silica fume. Also included are ultra-fine fly ash and metakaolin, which were not available in previous service life models. For validation of the model, chloride profiles have been measured on concrete blocks exposed daily to seawater for 25 years at the Treat Island, ME concrete exposure site. Concrete mixtures tested as part of the validation dataset contained up to 80% ground-granulated blast-furnace slag, 25% fly ash, or 20% silica fume, and were compared against the predicted values and are presented in this paper.en_US
dc.description.versionArticle (publisher version)
dc.identifier.urihttp://hdl.handle.net/2097/17200
dc.language.isoen_USen_US
dc.relation.urihttps://www.concrete.org/publications/internationalconcreteabstractsportal/m/details/id/51686338en_US
dc.rightsThis Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).en_US
dc.rights.urihttps://rightsstatements.org/page/InC/1.0/
dc.subjectDiffusionen_US
dc.subjectLong-term performanceen_US
dc.subjectTransport propertiesen_US
dc.titleApparent diffusivity model for concrete containing supplementary cementitious materialsen_US
dc.typeTexten_US

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