Designation:C186−15aStandardTestMethodforHeatofHydrationofHydraulicCement1ThisstandardisissuedunderthefixeddesignationC186;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationoftheheatofhydrationofahydrauliccementbymeasuringtheheatofsolutionofthedrycementandtheheatofsolutionofaseparateportionofthecementthathasbeenpartiallyhydratedfor7andfor28days,thedifferencebetweenthesevaluesbeingtheheatofhydrationfortherespectivehydratingperiod.1.2Theresultsofthistestmethodmaybeinaccurateifsomeofthecomponentsofthehydrauliccementareinsolubleinthenitricacid/hydrofluoricacidsolution.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4ValuesinSIunitsshallbeobtainedbymeasurementinSIunitsorbyappropriateconversion,usingtheRulesforConversionandRoundinggiveninStandardIEEE/ASTMSI10,ormeasurementsmadeinotherunits.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityorregulatorylimitationspriortouse.Warning—Freshhydrauliccementitiousmixturesarecausticandmaycausechemicalburnstoskinandtissueuponprolongedexposure.22.ReferencedDocuments2.1ASTMStandards:3C109/C109MTestMethodforCompressiveStrengthofHydraulicCementMortars(Using2-in.or[50-mm]CubeSpecimens)C114TestMethodsforChemicalAnalysisofHydraulicCementC670PracticeforPreparingPrecisionandBiasStatementsforTestMethodsforConstructionMaterialsC1005SpecificationforReferenceMassesandDevicesforDeterminingMassandVolumeforUseinthePhysicalTestingofHydraulicCementsE11SpecificationforWovenWireTestSieveClothandTestSievesIEEE/ASTMSI10StandardforUseoftheInternationalSystemofUnits(SI):TheModernMetricSyste...
