Designation:E1082−90(Reapproved2017)StandardTestMethodforMeasurementofVehicularResponsetoTraveledSurfaceRoughness1ThisstandardisissuedunderthefixeddesignationE1082;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofvehicularresponsetotraveledsurfaceroughness.1.2Thistestmethodutilizesanapparatusthatmeasurestherelativemotionofasprungmasssysteminresponsetotraveledsurfaceroughnesswherethemassissupportedbyautomotive-typesuspensionandtires.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Specificprecau-tionarystatementsaregiveninSection6.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2E177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethodsE178PracticeforDealingWithOutlyingObservationsE867TerminologyRelatingtoVehicle-PavementSystemsE1136SpecificationforP195/75R14RadialStandardRefer-enceTestTire3.SummaryofTestMethod3.1Vehicularresponsetotraveledsurfaceroughnessiscalculatedfromanaccumulateddisplacementmeasurementdividedbythetestsectionlength.Avehicleisbroughttothedesiredtestspeedandlateralpositioninthelanetobetested.Thetestapparatusisplacedinoperationandaconstantspeedismaintainedthroughoutthetest.Pertinentinformationaffect-ingtestresultsmustbenoted.4.SignificanceandUse4.1Thistestmethodprovidesameansofevaluatingtrav-eledsurfaceroughness.Themeasuredvaluesrep...
