Designation:C942−15StandardTestMethodforCompressiveStrengthofGroutsforPreplaced-AggregateConcreteintheLaboratory1ThisstandardisissuedunderthefixeddesignationC942;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thistestmethodcoversthedeterminationofthecom-pressivestrengthofhydrauliccementgroutforpreplaced-aggregate(PA)concrete.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C31/C31MPracticeforMakingandCuringConcreteTestSpecimensintheFieldC109/C109MTestMethodforCompressiveStrengthofHydraulicCementMortars(Using2-in.or[50-mm]CubeSpecimens)C125TerminologyRelatingtoConcreteandConcreteAg-gregatesC219TerminologyRelatingtoHydraulicCementC937SpecificationforGroutFluidifierforPreplaced-AggregateConcreteC938PracticeforProportioningGroutMixturesforPreplaced-AggregateConcreteC939TestMethodforFlowofGroutforPreplaced-AggregateConcrete(FlowConeMethod)C1437TestMethodforFlowofHydraulicCementMortar3.Terminology3.1Definitions:3.1.1Fordefinitionsoftermsusedinthistestmethod,refertoTerminologiesC125andC219.4.SummaryofTestMethod4.1Compressivestrengthofhardenedgroutisdeterminedusingtop-restrainedcubesasdefinedinTestMethodC109/C109M.5.SignificanceandUse5.1Thistestmethodaffordsameansfordeterminingthecompressivestrengthofgroutsthatexpandand,inuse,hardenunderconditionsofpartialtototalrestraint.5.2ItisparticularlyapplicablefordeterminingtheeffectoncompressivestrengthofgroutfluidifiertobeusedwithgroutforPAconcrete(SeeSpecifica...