Designation:C1803−15StandardGuideforAbrasionResistanceofMortarSurfacesUsingaRotaryPlatformAbraser1ThisstandardisissuedunderthefixeddesignationC1803;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguideisintendedtoassistinestablishingproce-duresfordeterminingtherelativeabrasionresistanceoftreatedoruntreatedmortarsurfaces.1.2Thisguideutilizestherotaryplatformabraser,whichgeneratesacombinationofrollingandrubbingtocauseweartothespecimensurface.Wearcanbequantifiedascyclestoaspecificend-point.OthercommonlyusedevaluationsarepresentedinAppendixX1andincludemassloss,wearindex,orvolumeloss.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.NOTE1—OtherproceduresusedtomeasureabrasionresistanceofconcretesurfacesincludeTestMethodsC418,C779/C779M,C944/C944M,andC1138M.OthermethodsthatreferencetherotaryplatformabraserandmaybeofinterestincludeSpecificationC744andTestMethodsC1353,D4060andF510.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C33/C33MSpecificationforConcreteAggregatesC109/C109MTestMethodforCompressiveStrengthofHydraulicCementMortars(Using2-in.or[50-mm]CubeSpecimens)C125TerminologyRelatingtoConcreteandConcreteAg-gregatesC418TestMethodforAbrasionResistanceofConcretebySandblastingC744SpecificationforPrefacedConcreteandCalciumSili-cateMasonryUnitsC779/C779MTestMethodforAbrasionResistanceofHori-zontalConcreteSurfacesC944/C944MTestMethodforAbrasionResistanceofCon-creteorMortarSurfacesbytheRotating-CutterMethodC1138MTestMethodforAbrasionResistanceofConcrete(UnderwaterMethod)...