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1、ApplicationofMulti-targetDecisionMakingonSchemeOptimizationforStructuralMaintenanceandReinforcementAbstract:Theidealpointmethodofamulti-targetdecisionmakingisadoptedinthispaper.Schemeselectionsforbuildingstructuralmaintenanceandreinforcementareevaluatedbythefiveobjectssuchasplancost,anticipatecon
2、ditionforusing,theanticipateservicedeadline,anticipatefailurelossandreliabilitygain.Thusthebestschemewillbeobtained.Thefeasibilityofmulti-targetdecisionmakinginthebuildingstructuralmaintenanceandreinforcementisshowedthroughcalculationofacertainstructure.Keywords:Multi-targetdecisionmaking,Buildin
3、gstructure,Maintenanceandreinforcement,Schemeoptimization1IntroductionAlargenumberofservicestructureshavereachedtheirlifeinoldage,withChina'ssustainedandrapidgrowthincapitalinvestmentandthebiggerandbiggerscaleforinfrastructurefromthe1990s.Intheprocessofusingthem,duetohumanconditions,environmental
4、conditions,thereexistedallkindsofsecurityrisksinthesestructure,whichthreatenthesafetyofproductionandlife.Thus,thesestructureshaveanurgentneedtoberepairedandreinforced.2Thefeasibilityandnecessityofmulti-targetdecision-makingmethod Selectionofstructuralmaintenanceandreinforcementneedtotakeplancost,
5、anticipateconditionforusing,theanticipateservicedeadline,anticipatefailurelossandreliabilitygainintoconsideration.Butthecontradictionexistsamongtheseindicators[1].Fromthewaysoftacklingproblemsbymulti-objectivedecision-makingmethodsandcharacteristicsofmaintenanceandreinforcementfield,themulti-obje
6、ctivedecision-makingisverysuitablefordecision-makingproblemsofstructuralmaintenanceandreinforcementscheme.InOptionalschemesofmaintenanceandreinforcement,thereareindicatorsforoneorafewwithadvantage,whileseveralotherindicatorswithdisadvantage.Decision-makingprocessistochooseasatisfactorysolutionfro
7、mthem.Inthispaper,afteracomprehensivecomparisonofvariousmulti-objectivedecision-makingsolutions,theidealpointmethodismoresuitable[2].Principlesforitisasfollows.Theoptimalvaluesofeachindexarefoundintheavailableschemesto
