Designation:D5887−09StandardTestMethodforMeasurementofIndexFluxThroughSaturatedGeosyntheticClayLinerSpecimensUsingaFlexibleWallPermeameter1ThisstandardisissuedunderthefixeddesignationD5887;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversanindextestthatcoverslaboratorymeasurementoffluxthroughsaturatedgeosyntheticclayliner(GCL)specimensusingaflexiblewallpermeameter.1.2ThistestmethodisapplicabletoGCLproductshavinggeotextilebacking(s).ItisnotapplicabletoGCLproductswithgeomembranebacking(s),geofilmbacking(s)orpolymercoat-ingbacking(s).1.3Thistestmethodprovidesameasurementoffluxunderaprescribedsetofconditionsthatcanbeusedformanufactur-ingqualitycontrol.Thetestmethodcanalsobeusedtocheckconformance.Thefluxvaluedeterminedusingthistestmethodisnotconsideredtoberepresentativeofthein-servicefluxofGCLs.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard,unlessotherunitsarespecificallygiven.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D653TerminologyRelatingtoSoil,Rock,andContainedFluidsD2216TestMethodsforLaboratoryDeterminationofWater(Moisture)ContentofSoilandRockbyMassD4439TerminologyforGeosyntheticsD4753GuideforEvaluating,Selecting,andSpecifyingBal-ancesandStandardMassesforUseinSoil,Rock,andConstructionMaterialsTestingE145SpecificationforGravity-ConvectionandForced-VentilationOvensE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod3.Terminology3.1Definitions:3.1.1flux,n—therateofdischargeofwaterunderlaminarflowconditionsthroughaunitcross-sectionalareaofaGCLspecimen.3.1.2g...
