Designation:C1260−14StandardTestMethodforPotentialAlkaliReactivityofAggregates(Mortar-BarMethod)1ThisstandardisissuedunderthefixeddesignationC1260;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodpermitsdetection,within16days,ofthepotentialfordeleteriousalkali-silicareactionofaggregateinmortarbars.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.Whenthistestmethodreferstocombined-unitstandards,theselectionofthemeasurementsystemsisattheuser’sdiscretion.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Aspecificprecau-tionarystatementisgiveninthesectiononReagents.2.ReferencedDocuments2.1ASTMStandards:2C109/C109MTestMethodforCompressiveStrengthofHydraulicCementMortars(Using2-in.or[50-mm]CubeSpecimens)C125TerminologyRelatingtoConcreteandConcreteAg-gregatesC127TestMethodforDensity,RelativeDensity(SpecificGravity),andAbsorptionofCoarseAggregateC128TestMethodforDensity,RelativeDensity(SpecificGravity),andAbsorptionofFineAggregateC150/C150MSpecificationforPortlandCementC151/C151MTestMethodforAutoclaveExpansionofHy-draulicCementC295/C295MGuideforPetrographicExaminationofAg-gregatesforConcreteC305PracticeforMechanicalMixingofHydraulicCementPastesandMortarsofPlasticConsistencyC490/C490MPracticeforUseofApparatusfortheDeter-minationofLengthChangeofHardenedCementPaste,Mortar,andConcreteC511SpecificationforMixingRooms,MoistCabinets,MoistRooms,andWaterStorageTanksUsedintheTestingofHydraulicCementsandConcretesC670PracticeforPreparingPrecisionandBiasStatementsforTestMethodsforConstructionMaterialsC856Practic...
