Designation:D3737−18´1StandardPracticeforEstablishingAllowablePropertiesforStructuralGluedLaminatedTimber(Glulam)1ThisstandardisissuedunderthefixeddesignationD3737;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—CorrectededitoriallyinSeptember2018.1.Scope1.1Thispracticecoverstheproceduresforestablishingallowablepropertiesforstructuralgluedlaminatedtimber.Includedaretheallowablestressesforbending,tensionandcompressionparalleltothegrain,horizontalshear,compres-sionperpendiculartothegrain,andradialtensionandcom-pressionincurvedmembers.Alsoincludedaremodulusofelasticityandmodulusofrigidity.1.2Thispracticeislimitedtothecalculationofallowablepropertiessubjecttothegivenproceduresfortheselectionandarrangementofgradesoflumberofthespeciesconsidered.1.3Requirementsforproduction,inspectionandcertifica-tionarenotincluded,butinordertojustifytheallowablepropertiesdevelopedusingproceduresinthispractice,manu-facturersmustconformtorecognizedmanufacturingstandards.RefertoANSIA190.1andCSAO122.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D9TerminologyRelatingtoW...
