Designation:D7275−07(Reapproved2012)StandardTestMethodforTensilePropertiesofBituminousGeomembranes(BGM)1ThisstandardisissuedunderthefixeddesignationD7275;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodisusedtomeasurethetensileproper-tiesofbituminousgeomembranes(BGM)usingadumbbellshapespecimen.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D638TestMethodforTensilePropertiesofPlasticsD4354PracticeforSamplingofGeosyntheticsandRolledErosionControlProducts(RECPs)forTestingD4439TerminologyforGeosyntheticsD6455GuidefortheSelectionofTestMethodsforPrefab-ricatedBituminousGeomembranes(PBGM)3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1prefabricatedbituminousgeomembrane(BGM),n—amaterialfabricatedinaplantandconsistingprincipallyofnon-wovengeotextile,impregnatedbyablendofoxidizedorpolymer-modifiedbitumenincorporatingfiller.3.2Fordefinitionsofothertermsusedinthistestmethod,refertoTerminologyD4439.4.SignificanceandUse4.1ThismethodisusedtoevaluatethetensilepropertiesofBGM.Itcanbeusedformanufacturingqualitycontroloracceptancetesting.4.2Thistestmethodusesadumbbellspecimen.Theshapeanddimensionsofthespecimenaredefinedinthisstandard.Noothershapeordimensionsareallowed.OthermechanicalpropertiesofBGMmaybemeasuredusingdifferenttestmethods.RefertoGuideD6455.4.3Thereportedpropertiesarethemaximumstrengthandelongationatmaximumstrength.5.Apparatus5.1TensileinstrumentationshallmeettherequirementsoutlinedinTestMethodD...