Designation:C403/C403M−16StandardTestMethodforTimeofSettingofConcreteMixturesbyPenetrationResistance1ThisstandardisissuedunderthefixeddesignationC403/C403M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thistestmethodcoversthedeterminationofthetimeofsettingofconcrete,withslumpgreaterthanzero,bymeansofpenetrationresistancemeasurementsonmortarsievedfromtheconcretemixture.1.2Thistestmethodissuitableforuseonlywhentestsofthemortarfractionwillprovidetheinformationrequired.1.3Thistestmethodmayalsobeappliedtopreparedmortarsandgrouts.1.4Thistestmethodisapplicableundercontrolledlabora-toryconditions,aswellasunderfieldconditions.1.5ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C125TerminologyRelatingtoConcreteandConcreteAg-gregatesC143/C143MTestMethodforSlumpofHydraulic-CementConcreteC172PracticeforSamplingFreshlyMixedConcreteC173/C173MTestMethodforAirContentofFreshlyMixedConcretebytheVolumetricMethodC192/C192MPracticeforMakingandCuringConcreteTestSpecimensintheLaboratoryC231TestMethodforAirContentofFreshlyMixedCon-cretebythePressureMethodC670PracticeforPreparingPrecisionandBiasStatementsforTestMethodsforConstructionMaterialsC802PracticeforConductinganInterlaboratoryTestPro-gramtoDeterminethePrec...
