Volume 22, Issue 4 (December 1999)

    Mechanical Durability of Expanded Shale Lightweight Aggregate

    (Received 10 September 1998; accepted 8 June 1999)


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    The paper presents results of a laboratory study that investigated mechanical durability of expanded shale lightweight aggregate. Large-size, one-dimensional cyclic compression and direct shear tests were performed to investigate particle breakage under these loading conditions. The results obtained are compared with the data reported by other researchers. The results indicate that the expanded shale lightweight aggregate experiences only a minor amount of particle breakage under one-dimensional compression and direct shear type of loadings.

    Author Information:

    Valsangkar, AJ
    Professor, University of New Brunswick, Fredericton, New Brunswick

    Holm, TA
    Director of Engineering, Expanded Shale, Clay & Slate Institute, Richmond, Virginia

    Stock #: GTJ11246J

    ISSN: 0149-6115

    DOI: 10.1520/GTJ11246J

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    Title Mechanical Durability of Expanded Shale Lightweight Aggregate
    Symposium , 0000-00-00
    Committee D18