Designation:D6496/D6496M−20StandardTestMethodforDeterminingAverageBondingPeelStrengthBetweenTopandBottomLayersofNeedle-PunchedGeosyntheticClayLiners1ThisstandardisissuedunderthefixeddesignationD6496/D6496M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthelaboratorydeterminationoftheaveragebondingstrengthbetweenthetopandbottomlayersofasampleofageosyntheticclayliner(GCL).1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D76/D76MSpecificationforTensileTestingMachinesforTextilesD123TerminologyRelatingtoTextilesD4439TerminologyforGeosyntheticsD5889/D5889MPracticeforQualityControlofGeosyn-theticClayLinersD6072/D6072MPracticeforObtainingSamplesofGeosyn-theticClayLiners3.Terminology3.1Definitions:3.1.1geosyntheticclayliner,n—amanufacturedhydraulicbarrierconsistingofclaybondedtoalayerorlayersofgeosyntheticmaterial(s).D44393.2Forterminologyofothertermsusedinthistestmethod,refertoTerminologiesD123andD4439.4.SummaryofTestMethod4.1Thetopandbottomlayersofag...
