Designation:C1556−11a(Reapproved2016)StandardTestMethodforDeterminingtheApparentChlorideDiffusionCoefficientofCementitiousMixturesbyBulkDiffusion1ThisstandardisissuedunderthefixeddesignationC1556;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthelaboratorydeterminationoftheapparentchloridediffusioncoefficientforhardenedcemen-titiousmixtures.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C31/C31MPracticeforMakingandCuringConcreteTestSpecimensintheFieldC42/C42MTestMethodforObtainingandTestingDrilledCoresandSawedBeamsofConcreteC125TerminologyRelatingtoConcreteandConcreteAg-gregatesC192/C192MPracticeforMakingandCuringConcreteTestSpecimensintheLaboratoryC670PracticeforPreparingPrecisionandBiasStatementsforTestMethodsforConstructionMaterialsC1152/C1152MTestMethodforAcid-SolubleChlorideinMortarandConcreteC1202TestMethodforElectricalIndicationofConcrete’sAbilitytoResistChlorideIonPenetration2.2NORDTESTStandards:NTBUILD443Approved1995-11,Concrete,Hardened:AcceleratedChloridePenetration(inEnglish)33.Terminology3.1Definitions:3.1.1Fordefinitionsoftermsusedinthistestmethod,refertoTerminologyC125.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1apparentchloridediffusioncoeffıcient,Da,n—achlo-ridetransportparametercalculatedfromacid-solublechlorideprofiledataobtainedfromsaturatedspecimensexposedtochloridesolutions,withoutcorrectionforchloridebinding,thatprovidesanindicationoftheeaseofchloridepenetrationin...
