Designation:D6636−01(Reapproved2011)StandardTestMethodforDeterminationofPlyAdhesionStrengthofReinforcedGeomembranes1ThisstandardisissuedunderthefixeddesignationD6636;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthemeasurementoftheadhe-sionstrength(180°peel)betweenpliesofreinforcedgeomem-branessuchasinternallyreinforcedgeomembranesandcoatedfabrics.1.2Thistestmethodisnotintendedfordeterminingthestrengthofgeomembraneseamsorfordeterminingtheplyadhesionstrengthofgeocompositecomponents(suchasnon-wovengeotextilebondedtogeomembrane,orgeotextilebondedtodrainagecore).1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D76SpecificationforTensileTestingMachinesforTextilesD4354PracticeforSamplingofGeosyntheticsforTestingD4439TerminologyforGeosyntheticsD4491TestMethodsforWaterPermeabilityofGeotextilesbyPermittivity3.Terminology3.1Definitions:3.1.1atmospherefortestinggeosynthetics,n—airmain-tainedatarelativehumiditybetween50to70%andatemperatureof2162°C(7064°F).3.1.2geocomposite,n—amulti-componentproductatleastoneofwhichisageosynthetic.3.1.3geomembrane,n—anessentiallyimpermeablegeosyn-theticcomposedofoneormoresyntheticsheets.3.1.3.1Discussion—Ingeotechnicalengineering,essen-tiallyimpermeablemeansthatnomeasurableliquidflowsthroughageosyntheticwhentestedinaccordancewithTestMethodsD4491.3.1.4plyadhesion,n—bondbetweenlayersofalaminatedmaterial.3.1.5plyadhesionstrength,n—forceperunitwidthrequiredtocauseseparatio...
