Designation:C1362−09StandardTestMethodforFlowofFreshlyMixedHydraulic-CementConcrete1ThisstandardisissuedunderthefixeddesignationC1362;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversdeterminationoftheflowofasampleoffreshlymixedconcrete,eitherinthefieldorinthelaboratory.1.2Thistestmethodisapplicabletoconcretehavingcoarseaggregateupto37.5mminsize.Ifthecoarseaggregateislargerthan37.5mminsize,thetestmethodisapplicablewhenthefractionofconcretelargerthan37.5mmisremovedinaccordancewithPracticeC172.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thetextofthisstandardreferencesnotesandfootnotesthatprovideexplanatoryinformation.Thesenotesandfoot-notes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.(Warning—Freshhydrauliccementitiousmixturesarecausticandmaycausechemicalburnstoskinandtissueuponprolongedexposure.2)2.ReferencedDocuments2.1ASTMStandards:3C172PracticeforSamplingFreshlyMixedConcreteC670PracticeforPreparingPrecisionandBiasStatementsforTestMethodsforConstructionMaterials3.SummaryofTestMethod3.1Aflowapparatuscomprisinganouterpartiallyperfo-ratedhollowtubeandaninnercalibratedfloatingrodisinsertedintoasampleoffreshlymixedconcretetoapresetlevelandheldinplacebyacollarfloater.Aportionoftheconcreteisallowedtoflowintothehollowtubethroughitsperforationsforaperiodof40s.Theinnerfloatingrodisthenloweredontotheconcretesurfacethathaspenetratedthehollowtube.Theheightoftheconcreteinthehollowtubeisreadfromthescaleo...
