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    I.S. EN ISO 12956:2020

    Current The latest, up-to-date edition.

    Geotextiles and geotextile-related products - Determination of the characteristic opening size (ISO 12956:2019)

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  03-02-2020

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Principle
    5 Apparatus and materials
    6 Test specimens
    7 Procedure
    8 Calculation and expression of results
    9 Test report
    Annex A (normative) Mesh sizes
    Annex B (informative) Example of the determination of the characteristic opening size
    Annex C (informative) Preparation of knitted tubular geotextiles for testing
    Bibliography

    Abstract - (Show below) - (Hide below)

    This document specifies a method for the determination of the characteristic size of the openings of a single layer of a geotextile or geotextile-related product using the wet-sieving principle.

    General Product Information - (Show below) - (Hide below)

    Committee TC 221
    Document Type Standard
    Product Note The date of any NSAI previous adoption may not match the date of its original CEN/CENLEC document.
    Publisher National Standards Authority of Ireland
    Status Current
    Supersedes
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