Designation:C593−06(Reapproved2011)StandardSpecificationforFlyAshandOtherPozzolansforUseWithLimeforSoilStabilization1ThisstandardisissuedunderthefixeddesignationC593;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversthequalificationofflyashandotherpozzolansforusewithlimeinplastic,nonplasticmix-turesandothermixturesthataffectlimepozzolanicreactionrequiredbysoilstabilization.Evaluationofpozzolanscontain-ingavailablelime,suchasClassCflyash,isgivenconsider-ation.Pozzolanscoveredincludeartificialpozzolanssuchasflyash,andnaturalpozzolans,suchasdiatomiteandpumicite,ineitherraworcalcinedstate.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C25TestMethodsforChemicalAnalysisofLimestone,Quicklime,andHydratedLimeC39/C39MTestMethodforCompressiveStrengthofCylin-dricalConcreteSpecimensC50PracticeforSampling,SamplePreparation,Packaging,andMarkingofLimeandLimestoneProductsC51TerminologyRelatingtoLimeandLimestone(asusedbytheIndustry)C109/C109MTestMethodforCompressiveStrengthofHydraulicCementMortars(Using2-in.or[50-mm]CubeSpecimens)C110TestMethodsforPhysicalTestingofQuicklime,HydratedLime,andLimestoneC305PracticeforMechanicalMixingofHydraulicCementPastesandMortarsofPlasticConsistencyC311TestMethodsforSamplingandTestingFlyAshorNaturalPozzolansforUseinPortland-CementConcreteC670PracticeforPreparingPrecisionandBiasStatementsforTestMethodsforConstructionMaterialsC821SpecificationforLimeforUsewithPozzolansD1557TestMethodsforLaboratoryCompactionCharacter-isticsofSoilUsingModifiedEffort(56,000ft-lbf/ft3(2,700kN-m/m3))3.Ter...
