Designation:D4792/D4792M−13StandardTestMethodforPotentialExpansionofAggregatesfromHydrationReactions1ThisstandardisissuedunderthefixeddesignationD4792/D4792M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofpotentialvolumeexpansionofdensegradedcompactedaggregatesthatcontaincomponentssusceptibletohydrationandconsequentvolumeincrease,suchasthefreecalciumandmagnesiumoxidesthatoccurinsomeindustrialby-products.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.NOTE1—SievesizeisidentifiedbyitsstandarddesignationinSpeci-ficationE11.Thealternativedesignationgiveninparenthesesisforinformationonlyanddoesnotrepresentadifferentstandardsievesize.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C702PracticeforReducingSamplesofAggregatetoTestingSizeD75PracticeforSamplingAggregatesD698TestMethodsforLaboratoryCompactionCharacter-isticsofSoilUsingStandardEffort(12400ft-lbf/ft3(600kN-m/m3))D1883TestMethodforCBR(CaliforniaBearingRatio)ofLaboratory-CompactedSoilsD2940SpecificationforGradedAggregateMaterialForBasesorSubbasesforHighwaysorAirportsE11SpecificationforWovenWireTestSieveClothandTestSieves3.SummaryofTestMethod3.1ThistestmethodconsistsofmeasuringthevolumeexpansionofcompactedspecimensfollowingthegeneralproceduresofTestMethodD1883.CompactionisbasedonmaximumdensitydeterminationusingTest...