A parametric study of the impedance characteristics of cement-aggregate systems during early hydration

W. J. McCarter

    Research output: Contribution to journalArticle

    Abstract

    A.C. impedance spectroscopy is now gaining favour as an investigative technique for monitoring the development of cement microstructure. This paper extents the range of application of the method by showing the compositional dependence of the complex impedance of cement-aggregate-water systems (ie. concrete and mortar), with attention being directed towards this material while still in the plastic state. In the work presented, the composition of such systems was varied over a wide range and a number of features of the complex response were identified which can be linked to cement-paste content, cement type and aggregate content. Measurements were, in the main, taken over the frequency range 1Hz-15MHz. © 1994.

    Original languageEnglish
    Pages (from-to)1097-1110
    Number of pages14
    JournalCement and Concrete Research
    Volume24
    Issue number6
    Publication statusPublished - 1994

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