Designation:D3200−74(Reapproved2017)StandardSpecificationandTestMethodforEstablishingRecommendedDesignStressesforRoundTimberConstructionPoles1ThisstandardisissuedunderthefixeddesignationD3200;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversthephysicalcharacteristicsofroundtimberconstructionpolestobeusedeithertreatedoruntreated.1.2Thistestmethodcoversbasicprinciplesforestablishingrecommendeddesignstressvaluesforroundtimberconstruc-tionpolesthatareapplicabletothequalitydescribed.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D25SpecificationforRoundTimberPilesD2899PracticeforEstablishingAllowableStressesforRoundTimberPiles3.TerminologyDefinition3.1constructionpoles—thosepoleswhichareusedasprincipleload-carryingcomponentsofabuilding.4.PhysicalRequirements4.1Theroundtimberconstructionpolesshallbeasspeci-fiedinSpecificationD25,withthefollowingexception:4.1.1Inplaceof7.1ofSpecificationD25,thefollowingshallapply:Thetipcircumferenceshallbespecified.ThecorrespondingbuttcircumferenceshallnotbelessthanthatspecifiedinTable1ofthisstandard.5.DesignStresses5.1MethodsforestablishingdesignstressesforroundtimberconstructionpolesshallfollowthosepresentedinMethodD2899.6.Keywords6.1design;poles;stresses;timber1Thisspecif...
