Designation:C469/C469M−14StandardTestMethodforStaticModulusofElasticityandPoisson’sRatioofConcreteinCompression1ThisstandardisissuedunderthefixeddesignationC469/C469M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversdeterminationof(1)chordmodulusofelasticity(Young’s)and(2)Poisson’sratioofmoldedconcretecylindersanddiamond-drilledconcretecoreswhenunderlongitudinalcompressivestress.ChordmodulusofelasticityandPoisson’sratioaredefinedinTerminologyE6.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C31/C31MPracticeforMakingandCuringConcreteTestSpecimensintheFieldC39/C39MTestMethodforCompressiveStrengthofCylin-dricalConcreteSpecimensC42/C42MTestMethodforObtainingandTestingDrilledCoresandSawedBeamsofConcreteC174/C174MTestMethodforMeasuringThicknessofCon-creteElementsUsingDrilledConcreteCoresC192/C192MPracticeforMakingandCuringConcreteTestSpecimensintheLaboratoryC617PracticeforCappingCylindricalConcreteSpecimensE4PracticesforForceVerificationofTestingMachinesE6TerminologyRelatingtoMethodsofMechanicalTestingE83PracticeforVerificationandClassificationofExten-someterSystemsE177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethods2.2ASTMAdjuncts:Compressometers(twodrawings)andExtensometers(twodrawings)33.SignificanceandUse3.1Thistestmethodprov...
