ASTM D5994 - 10

    Standard Test Method for Measuring Core Thickness of Textured Geomembrane

    Active Standard ASTM D5994 | Developed by Subcommittee: D35.10

    Book of Standards Volume: 04.13


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    Significance and Use

    Thickness is one of the basic index properties used to control and track the quality of many geomembranes. Additionally, many mechanical properties (for example, tensile yield strength, puncture strength, etc.) can be related to core thickness. Core thickness values may also be required in calculation of some parameters such as diffusion coefficients or tensile stresses.

    The measured core thickness of geomembranes may vary considerably depending on the pressure applied to the specimen during measurement. To reduce variation in measurements and the chance of unrealistically low values due to excessively high pressures, a specific gauge point geometry and applied force are prescribed in this test method.

    The test method is applicable to all commonly available textured geomembranes that are deployed as manufactured geomembrane sheets.

    1. Scope

    1.1 This test method covers a procedure to measure the core thickness of textured geomembranes.

    1.2 This test method does not provide thickness values for geomembranes under variable normal stresses.

    1.3 The values stated in SI units are to be regarded as standard. The inch-pound values given in parentheses are for information only.

    1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D4354 Practice for Sampling of Geosynthetics for Testing

    D4439 Terminology for Geosynthetics

    E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods

    E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

    E2554 Practice for Estimating and Monitoring the Uncertainty of Test Results of a Test Method in a Single Laboratory Using a Control Sample Program


    ICS Code

    ICS Number Code 59.080.70 (Geotextiles)

    UNSPSC Code

    UNSPSC Code 30121701(Geomesh)


    Referencing This Standard

    DOI: 10.1520/D5994-10

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM D5994-10, Standard Test Method for Measuring Core Thickness of Textured Geomembrane, ASTM International, West Conshohocken, PA, 2010, www.astm.org

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