基于非概率方法的結(jié)構(gòu)全壽命總費用評估

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)全壽命總費用評估姓名：王先云申請學(xué)位級別：碩士專業(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