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1、COMMENTARYONTHEGUIDEFORBUCKLINGANDULTIMATESTRENGTHASSESSMENTFOROFFSHORESTRUCTURESMARCH2005AmericanBureauofShippingIncorporatedbyActofLegislatureoftheStateofNewYork1862Copyright2005AmericanBureauofShippingABSPlaza16855NorthchaseDriveHouston,TX77060USAThisPageIntentionallyLeftBlankFore
2、wordThisCommentaryprovidesthefundamentalprinciplesandtechnicalbackground,includingsourcesandadditionaldetails,fortheABSGuideforBucklingandUltimateStrengthAssessmentforOffshoreStructures,April2004,whichisreferredtohereinas“theABSBucklingGuide”.TheCommentarypresentssupplementaryinformat
3、iontobetterexplainthebasisandintentofthecriteriathatareusedintheABSBucklingGuide.TheaccuracyfordeterminingbucklingandtheultimatestrengthpredictionsobtainedfromtheapplicationoftheABSBucklingGuideisestablishedbythecomparisonofitsresultsagainstaveryextensivedatabaseoftestresultsassembled
4、byABSandalsofromtheresultsofnonlinearfiniteelementanalysis.ResultsobtainedusingthecriteriaintheABSBucklingGuidearealsocomparedagainstexistingrecognizedoffshorestandards,suchastheABSMODURules,APIRP2AWSD,APIBulletins2Uand2V,DnVCN30.1,andAISCLRFD[references1,3,5,6,7,30].Itshouldbeunderst
5、oodthattheCommentaryisapplicableonlytotheindicatedversionoftheABSBucklingGuide.TheorderofpresentationofthematerialinthisCommentarygenerallyfollowsthatoftheABSBucklingGuide.ThemajortopicheadingsoftheSectionsinboth,theABSBucklingGuideandtheCommentaryarethesame,butthedetailedcontentsofth
6、eindividualSubsectionswillnottypicallyhaveaone-to-onecorrespondencebetweentheABSBucklingGuideandtheCommentary.IncaseofaconflictbetweenanythingpresentedhereinandtheABSRulesorGuides,precedenceisgiventotheABSRulesorGuides.ABSwelcomescommentsandsuggestionsforimprovementofthisCommentary.Co
7、mmentsorsuggestionscanbesentelectronicallytordd@eagle.org.ABSCOMMENTARYONTHEGUIDEFORBUCKLING&ULTIMATESTRENGTHASSESSMENTFOROFFSHORESTRUCTURES.2005iiiThisPageIntentionallyLeftBlankCOMMENTARYONTHEGUIDEFORBUCKLINGANDULTIMATESTRENGTHASSESSMENTFOROFFSHORESTRUCTURESCONTENTSSECTIONC1Introduct
8、ion..
