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1、-------AbstractLeaningTowercable-stayedbridgewithoutbackstays,isakindofnovelanduniquebridgestructurealongwithbeautifulshape.Theuseofpillartiltistobalancethedeadloadandliveload.BecauseLeaningTowercable-stayedbridgewithoutbackstayshasthepointofnobackstayedca
2、bleandasymmetry,laterbridgestructureshaveanadjustmenttocableforceinternalforceandthefinalstateofthelineartomeetthedesignrequirements.Inthispaper,themaincontentsasfollows:1thisarticlethroughthedomesticandforeignexistingnobackstayedcablebridgeanalysisandstud
3、y,introducesavariousofcableforceadjustmentmethodatfinishedstage,aswellasitsadvantagesanddisadvantages.Itismostlyabouthowtojudgecriticaloptimizationstateandselecttheappropriatecabletensionoptimization2Atfinishedbridgeoptimizationcalculationstage，ZiChangbrid
4、geisanalyzedbyusingthefiniteelementmodelofMIDAS.Bycomparingthevariouscableforceoptimizationmethods,ThepaperusestheunknownloadcoefficientmethodandinfluencematrixmethodfortheoptimizationofcableforcebySelectingthesuitablebridgeoptimizationcontroltargetandopti
5、mizingtheconstraintconditionsand.Inthispaper,themethodofcableoptimizationsimilarbridgehasguidingsignificance.tothesimilarbridge3Atfinishedbridgeoptimizationconstructioncontrolstage,Choosingtherightbridgecableforcemethodisabletofindoutasetofcableforceoptimi
6、zationvalue.Butiftheconstructionprocessfailedtotakestrictconstructioncontrolcableforceespeciallytensionanchorisnotinplace,thebridgestillcannotachievebridgebridgeoptimalstate.Thereforethisbridgeusesadaptivecontroltheorytostrictconstructioncontrol,andIntrodu
7、cesthetensionofanchorcableforcematters.Toensuretheaccuracyofthetensioncableforce,thepressuresensorandAnchorcableprojectselectdualcontrolplan.Finallythroughtheanalysisoftowerbeamdeformationvalue,wecanverifytheeffectivenessofthecableforcetension.Keywords:cab
8、le-stayedbridgewithoutbackstays,bridgecableforceoptimization,unknownloadcoefficientmethod,influencematrixmethod,anchorcablemeter-----------目录第一章绪论..............................................................
