Load and Resistance factor_Single Angle

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1、LoadandResistanceFactorDesignSpecificationforSingle-AngleMembersNovember10,2000SupersedestheSpecificationforLoadandResistanceFactorDesignofSingle-AngleMembersdatedDecember1,1993PreparedbytheAmericanInstituteofSteelConstruction,Inc.UndertheDirectionoftheAISCCommitteeonSpecificati

2、onsandapprovedbytheAISCBoardofDirectorsAMERICANINSTITUTEOFSTEELCONSTRUCTION,INC.OneEastWackerDrive,Suite3100Chicago,IL60601-2001iiLRFDSpecificationfortheDesignofSingle-AngleMembers,November10,2000AMERICANINSTITUTEOFSTEELCONSTRUCTIONiiiPREFACETheintentionoftheAISCSpecificationist

3、ocoverthecommoneverydaydesigncri-teriainroutinedesignofficeusage.Itisnotfeasibletoalsocoverthemanyspecialanduniqueproblemsencounteredwithinthefullrangeofstructuraldesignpractice.ThisseparateSpecificationandCommentaryaddressesonesuchtopic—single-anglemembers—toprovideneededdesign

4、guidanceforthismorecomplexstruc-turalshapeundervariousloadandsupportconditions.Therevisedsingle-angledesigncriteriaweredevelopedthroughaconsensusprocessbytheAISCTaskCommittee12onSingleAngles:JamesM.Fisher,ChairmanLeroyA.Lutz,Vice-ChairmanMohamedElgaalyShu-JinFangTheodoreV.Galamb

5、osSubhashGoelCharlotteS.HarmanToddHelwigDonaldW.WhiteSergioZoruba,SecretaryThefullAISCCommitteeonSpecificationshasreviewedandapprovedthisSpecification.Anon-mandatoryCommentaryprovidesbackgroundfortheSpecificationprovi-sionsandtheuserisencouragedtoconsultit.Theprincipalchangesint

6、hiseditioninclude:Revisionstoflexuraldesignstrengthcriteriaa.Forthelimitstateoflocalbucklingwhentheanglelegisincompressionb.Forthelimitstateofyieldingwhenthetipofananglelegisintensionc.Forthelimitstateoflateral-torsionalbucklingd.ForbendingaboutgeometricaxesThereaderiscautionedt

7、hatprofessionaljudgmentmustbeexercisedwhendataorrecommendationsinthisSpecificationareapplied.ThepublicationofthematerialcontainedhereinisnotintendedasarepresentationorwarrantyonthepartoftheAmericanInstituteofSteelConstruction,Inc.—oranyotherpersonnamedherein—thatthisinformationi

8、ssuitableforgeneralorparticularuse,orfreedomfro