Designation:C597−16StandardTestMethodforPulseVelocityThroughConcrete1ThisstandardisissuedunderthefixeddesignationC597;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thistestmethodcoversthedeterminationofthepropa-gationvelocityoflongitudinalstresswavepulsesthroughconcrete.Thistestmethoddoesnotapplytothepropagationofothertypesofstresswavesthroughconcrete.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C125TerminologyRelatingtoConcreteandConcreteAg-gregatesC215TestMethodforFundamentalTransverse,Longitudinal,andTorsionalResonantFrequenciesofConcreteSpecimensC823PracticeforExaminationandSamplingofHardenedConcreteinConstructionsE1316TerminologyforNondestructiveExaminations3.Terminology3.1Definitions—RefertoTerminologyC125andthesectionrelatedtoultrasonicexaminationinTerminologyE1316fordefinitionsoftermsusedinthistestmethod.4.SummaryofTestMethod4.1Pulsesoflongitudinalstresswavesaregeneratedbyanelectro-acousticaltransducerthatisheldincontactwithonesurfaceoftheconcreteundertest.Aftertraversingthroughtheconcrete,thepulsesarereceivedandconvertedintoelectricalenergybyasecondtransducerlocatedadistanceLfromthetransmittingtransducer.ThetransittimeTismeasuredelec-tronically.ThepulsevelocityViscalculatedbydividingLbyT.5.SignificanceandUse5.1Thepulsevelocity,V,oflongitudinalstresswavesinaconcretemassisrelatedtoitselasticpropertiesanddensityaccordingtothefollowin...
