Designation:D8019−15StandardTestMethodsforDeterminingtheFullSectionFlexuralModulusandBendingStrengthofFiberReinforcedPolymerCrossarmsAssembledwithCenterMountBrackets1ThisstandardisissuedunderthefixeddesignationD8019;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscoverthedeterminationoftheflexuralmodulusandbendingstrengthofbothtangentanddeadendarmsbentabouttheirminorandmajoraxes.Onemethodcoverstestingofassembledtangentcrossarmsinclud-ingthetangentbracketandrelativehardware.Theothermethodcoverstestingofassembleddeadendcrossarmswithadeadendbracketandrelativephaseloadinghardware.Thefailuremodesandassociatedstressescanbeusedforpredictingthephaseloadcapacitiesofpultrudedcrossarmsspecifictocertainconductorloadingscenarios.1.2Thetestmethodsdescribedinthisstandardcanbeusedforpredictingtheverticalandhorizontalcomponentloadsofdeadendandtangentarms.Bothdeadendandtangentcros-sarmsshallbetestedinthetwoconfigurationsdescribedinFigures1and2.Thiswillpermitthemanufacturestopublishbothverticalandhorizontaldesigncapacitiesfordeadendcrossarmconfigurationssothattwowaybendingstresses,causedbycatenaryeffects,canbeconsideredwhendevelopingthecapacityofthedeadendcrossarmsbyutilitydesignengineersandmanufacturers.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.4Thisstandardwillnotaddressallfactorsthataffectthephaseloadingcapacity.1.5Thisstandarddoesnotaddresstheuseofcorematerialsthatareaddedtoincreasethestructuralcapacityofthecrossarms.Corematerialshallnotbeconsideredinthecalculationsprovidedinthisstandard.1.6Thisstandarddoesnotpurporttoaddres...
