Designation:C387/C387M−15StandardSpecificationforPackaged,Dry,CombinedMaterialsforConcreteandHighStrengthMortar1ThisstandardisissuedunderthefixeddesignationC387/C387M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoverstheproduction,properties,packaging,andtestingofpackaged,dry,combinedmaterialsforconcreteandhighstrengthmortar.TheclassificationsofconcreteandmortarcoveredaredefinedinSection3.NOTE1—Thescopeofthisstandarddoesnotcovermortarsforunitmasonry.DrypreblendedmortarsforunitmasonryarecoveredbySpecificationC1714/C1714M.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.SomevalueshaveonlySIunitsbecausetheinch-poundequivalentsarenotusedinpractice.1.3Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportionofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C33SpecificationforConcreteAggregatesC39/C39MTestMethodforCompressiveStrengthofCylin-dricalConcreteSpecimensC91SpecificationforMasonryCementC109/C109MTestMethodforCompressiveStrengthofHydraulicCementMortars(Using2-in.or[50-mm]CubeSpecimens)C125TerminologyRelatingtoConcreteandConcreteAg-gregatesC138/C138MTestMethodforDensity(UnitWeight),Yield,andAirContent(Gravimetric)ofConcreteC143/C143MTestMethodforSlumpofHydraulic-CementConcreteC144SpecificationforAggregateforMasonryMortarC150SpecificationforPortlandCementC173/C1...
