Designation:D6035/D6035M−13StandardTestMethodforDeterminingtheEffectofFreeze-ThawonHydraulicConductivityofCompactedorIntactSoilSpecimensUsingaFlexibleWallPermeameter1ThisstandardisissuedunderthefixeddesignationD6035/D6035M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoverslaboratorymeasurementoftheeffectoffreeze-thawonthehydraulicconductivityofcom-pactedorintactsoilspecimensusingTestMethodD5084andaflexiblewallpermeametertodeterminehydraulicconductiv-ity.Thistestmethoddoesnotprovidestepstoperformsamplingof,ortestingof,insitusoilsthathavealreadybeensubjectedtofreeze-thawconditions.1.2Thistestmethodmaybeusedwithintactspecimens(blockorthin-walled)orlaboratorycompactedspecimensandshallbeusedforsoilsthathaveaninitialhydraulicconduc-tivitylessthanorequalto1E-5m/s[3.94E-4in./s](1E-3cm/s)(Note1).NOTE1—Themaximuminitialhydraulicconductivityisgivenas1E-5m/s[3.94E-4in./s].Thisshouldalsoapplytothefinalhydraulicconductivity.Itisexpectedthatiftheinitialhydraulicconductivityis1E-5m/s(3.94E-4in./s),thenthefinalhydraulicconductivitywillnotchange(increase)significantly(thatis,greaterthan1E-5m/s)(3.94E-4in./s).1.3Soilspecimenstestedusingthistestmethodcanbesubjectedtothree-dimensionalfreeze-thaw(hereinreferredtoas3-d)orone-dimensionalfreeze-thaw(hereinreferredtoas1-d).(Foradiscussionofone-dimensionalfreezingversusthree-dimensionalfreezing,refertoZimmie2orOthman.3)1.4Soilspecimenstestedusingthistestmethodcanbetestedinaclosedsystem(thatis,noaccesstoanexternalsupplyofwaterduringfreezing)oranopensystem.1.5AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.6ThevaluesstatedinSIunitsorinch-poundunits(presentedinbrackets)aretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbe...