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    ASTM WK55003

    New Guide for Determining the Effective Flow Rate per Unit Width and Effective Hydraulic Transmissivity of Multi-Linear Drainage Geocomposites.

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

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    WK55003

    1. Scope

    1.1 This guide describes the procedure for determining the effective flow rate and effective hydraulic transmissivity of a multi-linear drainage geocomposites under varying normal compressive stresses and a constant head, assuming the infinite-flow width concept is applicable. 1.2 The infinite-flow width concept identifies a width that is appropriately large to consider the individual, localized contribution of the single drainage conduit not significant to the entire scale of the project. This infinite-flow width concept likely varies from project to project and must be reviewed for validity by the project design engineer before use.

    Keywords

    geosynthetics; multi-linear drainage geocomposite; hydraulic transmissivity; in-plane flow; performance test

    The title and scope are in draft form and are under development within this ASTM Committee.

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    Work Item Status

    Date Initiated:
    06-27-2016

    Technical Contact:
    Stephane Fourmont

    Item:
    005

    Ballot:
    D35 (19-03)

    Status:
    Negative Votes Need Resolution