Designation:D7004/D7004M−03(Reapproved2013)´1StandardTestMethodforGrabTensilePropertiesofReinforcedGeomembranes1ThisstandardisissuedunderthefixeddesignationD7004/D7004M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—UnitsinformationwaseditoriallycorrectedinJune2013.1.Scope1.1Thistestmethodisusedtomeasurethegrabtensilepropertiesofreinforcedgeomembranes.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D76/D76MSpecificationforTensileTestingMachinesforTextilesD4354PracticeforSamplingofGeosyntheticsandRolledErosionControlProducts(RECPs)forTestingD4439TerminologyforGeosynthetics3.Terminology3.1Definitions:3.1.1DefinitionsoftermsapplyingtothistestmethodappearinTerminologyD4439.3.1.2atmospherefortestinggeosynthetics,n—airmain-tainedatarelativehumiditybetween50to70%andatemperatureof2162°C[7064°F].3.1.3reinforcedgeomembrane,n—ageomembraneinter-nallyreinforcedwithatextile.3.1.4yarn,n—agenerictermforacontinuousstrandoftextilefibers,filamentsormaterialinaformsuitableforknitting,weavingorotherwiseintertwiningtoformatextilefabric.4.SignificanceandUse4.1Thistestmethodevaluatesgrabtensilepropertiesofreinforcedgeomembranesforthepurposesofqualitycontrol,qualityassuranceandresearch.Inordertoevaluatethefullcontributionofthereinforcement,testingisperformedparalleltothedirec...