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ASTM D 6392 : 2012

ASTM D 6392 : 2012

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Standard Test Method for Determining the Integrity of Nonreinforced Geomembrane Seams Produced Using Thermo-Fusion Methods

Available format(s)

Hardcopy , PDF

Superseded date

09-11-2023

Superseded by

ASTM D 6392 : 2012 : R2018

Language(s)

English

Published date

01-07-2012

Publisher

American Society for Testing and Materials

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Hardcopy - English
PDF - English
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CONTAINED IN VOL. 04.13, 2018 Defines destructive quality control and quality assurance tests used to determine the integrity of geomembrane seams produced by thermo-fusion methods.

Committee
D 35
DocumentType
Test Method
Pages
6
ProductNote
Reconfirmed 2012
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

1.1This test method describes destructive quality control and quality assurance tests used to determine the integrity of geomembrane seams produced by thermo-fusion methods. This test method presents the procedures used for determining the quality of nonbituminous bonded seams subjected to both peel and shear tests. These test procedures are intended for nonreinforced geomembranes only.

1.2The types of thermal field seaming techniques used to construct geomembrane seams include the following.

1.2.1Hot Air—This technique introduces high-temperature air or gas between two geomembrane surfaces to facilitate melting. Pressure is applied to the top or bottom geomembrane, forcing together the two surfaces to form a continuous bond.

1.2.2Hot Wedge (or Knife)—This technique melts the two geomembrane surfaces to be seamed by running a hot metal wedge between them. Pressure is applied to the top or bottom geomembrane, or both, to form a continuous bond. Some seams of this kind are made with dual bond tracks separated by a nonbonded gap. These seams are sometimes referred to as dual hot wedge seams or double-track seams.

1.2.3Extrusion—This technique encompasses extruding molten resin between two geomembranes or at the edge of two overlapped geomembranes to effect a continuous bond.

1.3The types of materials covered by this test method include the following.

1.3.1Very Low Density Polyethylene (VLDPE).

1.3.2Linear Low Density Polyethylene (LLDPE).

1.3.3Very Flexible Polyethylene (VFPE).

1.3.4Linear Medium Density Polyethylene (LMDPE).

1.3.5High Density Polyethylene (HDPE).

1.3.6Polyvinyl Chloride (PVC).

1.3.7Flexible Polypropylene (fPP).

Note 1—The polyethylene identifiers presented in 1.3.1-1.3.5 describe the types of materials typically tested using this test method. These are industry accepted trade descriptions and are not technical material classifications based upon material density.

1.4This 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.

ASTM D 7700 : 2015 Standard Guide for Selecting Test Methods for Geomembrane Seams
ASTM D 7982 : 2015 Standard Practice for Testing of Factory Thermo-Fusion Seams for Fabricated Geomembrane Panels

ASTM D 4439 : 2017-08 TERMINOLOGY FOR GEOSYNTHETICS
ASTM D 5994/D5994M : 2010 : R2015 : EDT 1 Standard Test Method for Measuring Core Thickness of Textured Geomembranes
ASTM D 638 : 2014 : REDLINE Standard Test Method for Tensile Properties of Plastics

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