Designation:C1608−17StandardTestMethodforChemicalShrinkageofHydraulicCementPaste1ThisstandardisissuedunderthefixeddesignationC1608;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodmeasurestheinternal(absolute)vol-umechangeofhydrauliccementpastethatresultsfromthehydrationofthecementitiousmaterials.Thisvolumechangeisknownaschemicalshrinkage.1.1.1ProcedureA,volumetricmethod.1.1.2ProcedureB,thedensitymethod.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.(Warning—Freshhydrauliccementitiousmixturesarecausticandmaycausechemicalburnstoskinandtissueuponprolongedexposure.2)1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:3C114TestMethodsforChemicalAnalysisofHydraulicCementC186TestMethodforHeatofHydrationofHydraulicCementC188TestMethodforDensityofHydraulicCementC219TerminologyRelatingtoHydraulicCementC305PracticeforMechanicalMixingofHydraulicCementPastesandMortarsofPlasticConsistencyC511SpecificationforMixingRooms,MoistCabinets,MoistRooms,andWaterStorageTanksUsedintheTestingofHydraulicCementsandConcretesC670PracticeforPreparingPrecisionandBiasStatementsforTestMethodsforConstructionMaterials3.Terminology3.1Definitions:3.1.1chemicalshrinkage,n—theabsolute(internal)vol-umechangeaccompanyingthehydrationofcement,duetothefactthatthec...
