Designation:C495/C495M−12StandardTestMethodforCompressiveStrengthofLightweightInsulatingConcrete1ThisstandardisissuedunderthefixeddesignationC495/C495M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thistestmethodcoversthepreparationofspecimensandthedeterminationofthecompressivestrengthoflight-weightinsulatingconcretehavinganoven-drydensitynotexceeding800kg/m3[50lb/ft3]asdeterminedbytheproce-duresdescribedherein.Thistestmethodcoversthepreparationandtestingofmolded75by150-mm[3by6-in.]cylinders.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C39/C39MTestMethodforCompressiveStrengthofCylin-dricalConcreteSpecimensC88TestMethodforSoundnessofAggregatesbyUseofSodiumSulfateorMagnesiumSulfateC109/C109MTestMethodforCompressiveStrengthofHydraulicCementMortars(Using2-in.or[50-mm]CubeSpecimens)C172PracticeforSamplingFreshlyMixedConcreteC617PracticeforCappingCylindricalConcreteSpecimensC670PracticeforPreparingPrecisionandBiasStatementsforTestMethodsforConstructionMaterials3.SignificanceandUse3.1Thistestmethodprovidesstandardizedrequirementsforsampling,molding,curing,andtestinglightweightinsulatingconcretesforthepurposeofdeterminingcompliancewithcompressivestrengthanddensityspecifications.4.Apparatus4.1...
