ASTM WK20241

    Revision of C1567 - 07 Standard Test Method for Determining the Potential Alkali-Silica Reactivity of Combinations of Cementitious Materials and Aggregate (Accelerated Mortar-Bar Method)

    (What is a Work Item?)

    Active Standard: C1567 - 13

    Developed by Subcommittee: C09.26 | Committee C09 | Contact Staff Manager



    WK20241

    1. Rationale

    The number (25) of flow table drops required to determne the amount of HRWA admixture for certain batches is excessive resulting in control mixtures flowing off the table. Reverting to the originally intended number (10) will correct this problem


    Keywords

    aggregate; alkali-silica reactivity; length change; mortar; pozzolans, slag, sodium hydroxide;
    Citing ASTM Standards
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    Work Item Status

    Date Initiated:
    06-09-2008

    Technical Contact:
    D. Stephen Lane

    Item:
    006

    Ballot:
    C09 (08-04)

    Status:
    Ballot Item Approved