Designation:D7147−11StandardSpecificationforTestingandEstablishingAllowableLoadsofJoistHangers1ThisstandardisissuedunderthefixeddesignationD7147;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversaprocedureforevaluatingmetaldevicesusedforwood-to-wood,wood-to-concrete,wood-to-concretemasonry,andwood-to-steelconnections.Thismethodisintendedforusewithdevicesusedtoconnectjoists,beams,andgirderstogether.Thesedevicesarecom-monlydescribedasjoisthangers.1.2Thisspecificationdescribestestmethodsforevaluatingthecapacitiesofjoisthangerssubjecttoverticalandtorsionalloading.1.3Thisspecificationprovidesamethodofassigningallow-ableloadstojoisthangersbasedonmeasuredstrengthanddeformationcharacteristics.Informationobtainedbythepro-visionsofthisspecificationisapplicabletodesignwhenusingtheAllowableStressDesignmethod.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C31/C31MPracticeforMakingandCuringConcreteTestSpecimensintheFieldC39/C39MTestMethodforCompressiveStrengthofCylin-dricalConcreteSpecimensC1314TestMethodforCompressiveStrengthofMasonryPrismsD9TerminologyRelatingtoWoodandWood-BasedProd-uctsD2395TestMethodsforDensityandSpecificGravity(Rela-tiveDensity)ofWoodandWood-BasedMaterialsD3737PracticeforEstablishingAllowablePropertiesforStructuralGluedLaminatedTimber(Glulam)D4442TestMethodsforDirectMoistureContentMeasure-mentofWoodandWood-BasedMaterialsD5055SpecificationforEstablishingandMonitoringStruc-turalCapacitiesofPrefabricatedWoodI-JoistsD5456SpecificationforEvaluationofStructuralCompositeLumberProductsD7438Practic...
