Designation:C497−17StandardTestMethodsforConcretePipe,ManholeSections,orTile1ThisstandardisissuedunderthefixeddesignationC497;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thesetestmethodscovertestingofconcretepipe,manholesections,andtile.Thetestmethodsdescribedareusedinproductiontestingandacceptancetestingtoevaluatethepropertiesprovidedforinthespecifications.1.2Thetestmethodsappearinthefollowingorder:SectionExternalLoadCrushingStrength4FlatSlabTop5CoreStrength6Absorption7Hydrostatic8PermeabilityManholeStep910CylinderStrength11GasketLubricant12JointShear13Alkalinity14GasketMeasurements151.3Thetestspecimensshallnothavebeenexposedtoatemperaturebelow40°Fforthe24himmediatelyprecedingthetest.1.4Ifanytestspecimenfailsbecauseofmechanicalreasonssuchasfailureoftestingequipmentorimproperspecimenpreparation,itshallbediscardedandanotherspecimentaken.1.5Specimensshallbeselectedinaccordancewiththespecificationsforthetypeofpipeortilebeingtested.1.6AcompletemetriccompaniontoTestMethodsC497hasbeendeveloped—C497M;therefore,nometricequivalentsarepresentedinthesemethods.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.1.8Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2C31/C31MPracticeforMakingandCuringConcreteTestSpecimensintheFieldC39...