Designation:D6768/D6768M−04(Reapproved2015)´2StandardTestMethodforTensileStrengthofGeosyntheticClayLiners1ThisstandardisissuedunderthefixeddesignationD6768/D6768M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—UnitsinformationwascorrectededitoriallyinFebruary2015.ε2NOTE—Footnote1wascorrectededitoriallyinJuly2015.1.Scope1.1ThetestmethodestablishestheproceduresforthemeasurementoftensilestrengthofGeosyntheticClayLiner(GCL).ThistestmethodisstrictlyanindextestmethodtobeusedtoverifythetensilestrengthofGCLs.Resultsfromthistestmethodshouldnotbeconsideredasanindicationofactualorlong-termperformanceofthegeosynthetic(s)infieldapplications.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D76/D76MSpecificationforTensileTestingMachinesforTextilesD123TerminologyRelatingtoTextilesD2905PracticeforStatementsonNumberofSpecimensforTextiles(Withdrawn2008)3D4439TerminologyforGeosyntheticsD5889PracticeforQualityControlofGeosyntheticClayLinersD6072/D6072MPracticeforObtainingSamplesofGeosyn-theticClayLiners3.Terminology3.1geosynthetic,n—aproductmanufacturedwhollyorinpartfrompolymericmaterialusedwithsoil,rock,earth,orothergeotechnicalengineeringrelatedmaterialasanintegralpartofaproject,structure,orsystem.D44393.2geos...
