基于非概率方法的結(jié)構(gòu)全壽命總費(fèi)用評(píng)估

1、大連理工大學(xué)碩士學(xué)位論文基于非概率方法的結(jié)構(gòu)全壽命總費(fèi)用評(píng)估姓名：王先云申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：工程力學(xué)指導(dǎo)教師：李剛20070626莖王韭塑皇查鯊塑笙塑全查魚(yú)璺矍旦鯊笪EvaluationofStructureLife—cycleCostBasedonNon—probabilisticMethodsAbstractperformancebasedseismicdesignisthetendencyofstructuraldesigni

2、nthefuture，andthecosteffectivenesscriterionwhichminimizesthestructurallife—cyclecostistllemainprincipleAlthoughtheprobabilisticmethodisthecommonwaytoevaluatethelifecyclecostit’shardtoobtaintheprobabilitydistributionswhen

3、theenoughsamplingdataarcnotavailableUnderSBchcircumstancestheevaluationofthestructurallife—cyclebynonprobabilistictheoryisfocusedinthispaperThemainworkisasfollows：Firstlythereliabilityindexforintervalvariablesbasedonprob

4、abilityandnonprobabilitytheoryarediscussed，usingprobabilisticreliabilityindexbasedOllgeneraldefinitionandmmcateddistributionrespectivelynle8ccordanceanddifferencebetweenprobabilisticandnonprobabilisticreliabilityforperfo

5、rmanceevaluation(safeorfailure)underdifferentcasesategivennlemthereliabilityindexbasedonintervaltheoryandellipsoidtheoryarecomparedandtheconditionthatthesetwotypesofindexareconsistentwhenquantifyingthereliabilityareobtai

6、nedFinallyweevaluatethestructurallifecyclecostusingprobabilistic，intervalnonprobabilisticandfuzzytheory，anddiscusstheresultsKeyWords：nonprobability；intervalvariable；fuzzycomprehensivetheory；structuralIifecyclecost；reliab