Limits of use of the moisture condition apparatus

J. Oliphant, M. G. Winter

    Research output: Contribution to journalArticle

    Abstract

    The formulation of existing limits of use of the moisture condition apparatus (MCA), based on the ternary particle size diagram, is described, and the limits compared with successful determinations of the moisture condition value (MCV) calibration line. A significant number of apparently successful calibration line determinations fall in the area where the MCA is defined as not usable. The results of an extensive laboratory test programme largely explain the anomalies between the existing limits and successful determinations of the MCV calibration line. The remaining anomalies are most likely caused by the use of the particle size distribution of the material passing a 20 mm sieve rather than that of the excavated material. The experimental data have been used to develop revised limits of use of the MCA, which are currently being introduced into routine use on Scottish road projects. Their use on other projects is recommended.

    Original languageEnglish
    Pages (from-to)17-29
    Number of pages13
    JournalProceedings of the Institution of Civil Engineers: Transport
    Volume123
    Issue number1
    Publication statusPublished - Feb 1997

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    Oliphant, J. ; Winter, M. G. / Limits of use of the moisture condition apparatus. In: Proceedings of the Institution of Civil Engineers: Transport. 1997 ; Vol. 123, No. 1. pp. 17-29.
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    Limits of use of the moisture condition apparatus. / Oliphant, J.; Winter, M. G.

    In: Proceedings of the Institution of Civil Engineers: Transport, Vol. 123, No. 1, 02.1997, p. 17-29.

    Research output: Contribution to journalArticle

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