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    ASTM WK67962

    Revision of D4751 - 16 Standard Test Methods for Determining Apparent Opening Size of a Geotextile

    (What is a Work Item?)

    Active Standard: D4751 - 20b

    Developed by Subcommittee: D35.03 | Committee D35 | Contact Staff Manager

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    WK67962

    Keywords

    apparent opening size; capillary porometer; geotextile; glass beads; sieve;;

    Rationale

    The task group is submitting two revisions. Item 1 is to allow a flow area opening size of 50-mm (2-in). Item 2 is to make the Plotting Method the standard procedure for reporting the result of the test method. A +5% tolerance for the listed opening sizes of the Designated Sieves is included in this ballot item.

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    Work Item Status

    Date Initiated:
    04-25-2019

    Technical Contact:
    Richard Lacey

    Item:
    007

    Ballot:
    D35 (19-03)

    Status:
    Ballot Item Approved as D4751-2020 and Pending Publication

    Item:
    008

    Ballot:
    D35 (19-03)

    Status:
    Ballot Item Approved as D4751-2020 and Pending Publication

    Item:
    009

    Ballot:
    D35 (20-03)

    Status:
    Ballot Item Approved as D4751-2020A and Pending Publication