A maturity approach to the rate of heat evolution in concrete.

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dc.citation.doiDOI: 10.1680/macr.55.3.249.37571en_ZA
dc.citation.epage256en_ZA
dc.citation.issue3en_ZA
dc.citation.spage249en_ZA
dc.contributor.authorBallim, Y.
dc.contributor.authorGraham, P.C.
dc.date.accessioned2016-11-04T06:35:23Z
dc.date.available2016-11-04T06:35:23Z
dc.date.issued2003
dc.description.abstractThis paper discusses the use of the concept of maturity as a means of combining the effects of time and temperature in describing the rate of heat evolution from hydrating cement in concrete. The proposed maturity approach allows the rate of heat evolution determined from an adiabatic test to be expressed in a form which is independent of the starting temperature of the test. This relationship can then be directly used in a time-temperature prediction model that requires a solution of the Fourier equation for heat flow. The results of an experimental study aimed at assessing the suitability of both the Arrhenius and Nurse-Saul maturity relationships is also presented. Three adiabatic calorimeter tests were conducted on each of two concrete mixtures but starting at different temperatures. The results confirm the suitability of this approach and indicate that, of the two maturity relationships assessed, the Arrhenius maturity relationship is the more suitable in this application.en_ZA
dc.description.librarianMvdH2016en_ZA
dc.description.urlhttp://www.icevirtuallibrary.com/toc/jmacr/currenten_ZA
dc.identifier.citationBallim, Y. and Graham, P.C. 2003. A maturity approach to the rate of heat evolution in concrete. Magazine of Concrete Research 55(3), pp. 249-256. DOI: 10.1680/macr.55.3.249.37571en_ZA
dc.identifier.issn0024-9831
dc.identifier.urihttp://hdl.handle.net/10539/21388
dc.journal.titleMagazine of Concrete Research.en_ZA
dc.journal.volume55en_ZA
dc.language.isoenen_ZA
dc.publisherICE Publishingen_ZA
dc.rightsICE Publishing: Publisher's version/PDF may be used after 12 months embargo on Institutional Repositories, central repositories and open access websites.en_ZA
dc.subjectCalorimetersen_ZA
dc.subjectCementsen_ZA
dc.subjectHydrationen_ZA
dc.subjectHeat evolutionen_ZA
dc.subjectConcretesen_ZA
dc.titleA maturity approach to the rate of heat evolution in concrete.en_ZA
dc.typeArticleen_ZA
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