Designation:D4609−08StandardGuideforEvaluatingEffectivenessofAdmixturesforSoilStabilization1ThisstandardisissuedunderthefixeddesignationD4609;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisguidedescribeslaboratorytechniquesforevaluat-ingtheeffectivenessofadmixturesforimprovingtheengineer-ingpropertiesoffine-grainedsoils.1.2Effectivenessisassessedbycomparingtheunconfinedcompressivestrength(UCS),moisturesusceptibility,andmoisture-densityrelationships(MD)oftreatedanduntreatedsoils.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.1.5Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepre-sentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject’smanyuniqueaspects.Theword“Standard”inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.2.ReferencedDocuments2.1ASTMStandards:2D421PracticeforDryPreparationofSoilSamplesforParticle-SizeAnalysisandDeterminationofSoilCon-stantsD422TestMethodforParticle-SizeAnalysisofSoilsD653TerminologyRelatingtoSoil,Rock,andContainedFluidsD698TestMethodsforLaboratoryCompactionCharacter-isticsofSoilUsingStandardEffort(12400ft-lbf/ft3(600kN-m/m3))...
