The use of secondary gypsum to make a controlled low strength material

Peter A. Claisse, Eshmaiel Ganjian, M. Tyrer

    Research output: Contribution to journalArticle

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    Abstract

    This paper reports on the use of secondary minerals to make Controlled Low Strength Materials for trench or mine backfill. The mixes used red titanogypsum which is a by-product of titanium dioxide pigment production. A number of other secondary minerals were considered for mixing with the gypsum and steel slag from the basic oxygen process was found to be most successful. An optimised mix was developed and a site trial was carried out. The results showed a good performance but the failure of one test sample during curing showed that the material may not be suitable for other applications.
    Original languageEnglish
    Pages (from-to)294-305
    JournalOpen Construction and Building Technology Journal
    Volume2
    Issue number12
    DOIs
    Publication statusPublished - 2008

    Fingerprint

    Gypsum
    Minerals
    Basic oxygen process
    Pigments
    Titanium dioxide
    Slags
    Byproducts
    Curing
    Steel

    Bibliographical note

    This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

    Keywords

    • Secondary minerals
    • low strength materials
    • trench backfill
    • mine backfill
    • re titanogypsum
    • titanium dioxide
    • pigment
    • stell slag

    Cite this

    The use of secondary gypsum to make a controlled low strength material. / Claisse, Peter A.; Ganjian, Eshmaiel; Tyrer, M.

    In: Open Construction and Building Technology Journal, Vol. 2, No. 12, 2008, p. 294-305.

    Research output: Contribution to journalArticle

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