ASTM D5494 - 93(2011)

    Standard Test Method for the Determination of Pyramid Puncture Resistance of Unprotected and Protected Geomembranes

    Active Standard ASTM D5494 | Developed by Subcommittee: D35.10

    Book of Standards Volume: 04.13

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    Significance and Use

    The pyramid method of puncture resistance is an index test for the determination of the puncture resistance of unprotected geomembranes or geomembranes protected with non-woven geotextiles and other puncture protective geosynthetics.

    The purpose of this test method is to establish an index value of puncture resistance by providing standard criteria and a basis for uniform reporting.

    This test method may be used for acceptance testing of commercial shipments of geomembranes and geomembranes protected with non-woven geotextiles; however, caution is advised since information about between laboratory precision is incomplete.

    1. Scope

    1.1 The test method is to be used as an index test to determine the pyramid puncture resistance of geomembranes and, or both, geomembranes protected by non-woven geotextiles and other puncture protective geosynthetics.

    1.2 The test method measures the increase of the pyramid puncture resistance due to the use of protective non-woven geotextiles with geomembranes.

    1.3 The values stated in SI units are to be regarded as the standard value. The values stated in parentheses are provided for information only.

    1.4 This standard does not purport to address all of the safety problems, 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

    D76 Specification for Tensile Testing Machines for Textiles

    D4354 Practice for Sampling of Geosynthetics for Testing

    D4439 Terminology for Geosynthetics

    D4491 Test Methods for Water Permeability of Geotextiles by Permittivity

    UNSPSC Code

    UNSPSC Code 30121702(Geotextile)

    DOI: 10.1520/D5494-93R11

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