Designation:D4014−03(Reapproved2012)StandardSpecificationforPlainandSteel-LaminatedElastomericBearingsforBridges1ThisstandardisissuedunderthefixeddesignationD4014;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversbearings,whichconsistofallelastomerorofalternatelaminatesofelastomerandsteel,whenthefunctionofthebearingsistotransferloadsoraccommodaterelativemovementbetweenabridgesuperstruc-tureanditssupportingstructure,orboth.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.NOTE1—Thewords“elastomer”or“elastomeric”willbeusedinter-changeablywiththeword“rubber”inthisspecification.1.3Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsportion,SectionB,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimita-tionspriortouse.2.ReferencedDocuments2.1ASTMStandards:2A36/A36MSpecificationforCarbonStructuralSteelD395TestMethodsforRubberProperty—CompressionSetD412TestMethodsforVulcanizedRubberandThermoplas-ticElastomers—TensionD518TestMethodforRubberDeterioration—SurfaceCracking(Withdrawn2007)3D573TestMethodforRubber—DeteriorationinanAirOvenD832PracticeforRubberConditioningForLowTempera-tureTestingD1149TestMethodsforRubberDeterioration—CrackinginanOzoneControlledEnvironmentD1415TestMethodforRubberProperty—InternationalHardnessD1418PracticeforRubberandRubberLatices—NomenclatureD2000ClassificationSystemforRubberProductsinAuto-motiveApplicationsD2137TestMethodsforRubberProperty—BrittlenessPointofFlexiblePolymersandCoatedFabricsD2240TestMethodforRubberProperty—DurometerHard-nessD3183PracticeforRubber—PreparationofPiecesforTestPurposes...
