極端海況錦州JZ20-2平臺(tái)的風(fēng)險(xiǎn)評(píng)估.pdf

1、分類號(hào)UDC研究生學(xué)位論文研究蛐名型嗌送擁蝴燃塞l徨燃申請(qǐng)學(xué)蚴刪亟專業(yè)名|I丞趔王程論煳日期幽生曼旦旦學(xué)懈日期生旦中國(guó)海洋大學(xué)極端海況錦州JZ202平臺(tái)的風(fēng)險(xiǎn)評(píng)估ExtremeOffshoreEnvironmentJinzhouJZ20—2PlatformRiskAssessmentAbstractJ曲e白servicereliabilityanalysisandsafetyevaluation(riskassessment)ofoff

2、shoreplatformstructuresareveryimportanttoensuringthesafetyinexploitationofoceanresources，forthestructureshavesevereenvironmentfieldandseriousfailureconsequenceInthisdissertationasallexampleofJinzhouJZ20一2offshoreplatform

3、，thesystemreliabilityanalysisandsafetyevaluation(riskassessment)aremonographicstudiedFistlytheresearchconditionofreliabilityanalysisofoffshorestructureswasintroducedbrieflyandthenthereliabilityanalysisandsafetyassessment

4、(riskassessment)ofo任moreplatformstructuralcomponentsandsystomareprovidbasedonitSecondlytheextremejointprobabilisticdistributionofwindspeedandwaveheightinBohaibayJinzhouJZ202oilfieldisobtainedbyemployingthemultivariableex

5、tremevalueanalysistheorymethodanduncertaintyandsensitivityanalysistechniquesAndthentheprobabilisticdistributionofstructuralresponsetowindandwaveisobtainedforanalysisofstructuralreliabilityThirdl％calculationalmethodofreli

6、abilityanalysisofoffshoreplatformstructuralcomponentswasdevelopedbyadoptingthecalculationalmodelofwind，wave，currentandiceintheAPIspecification060iRP2A—LRFD)andbyuncertaintyandsensitivityanalysistechniquesConsideringofthe

7、deviationdistributionoftheofrshoreenvironmentequivalentnormalmethodwasintroducedintothereliabilityanalysisofoffshoreplatformstructuralcomponentsmoreoverthereliabilityanalysisofJirmhouJZ202oitshoreplatformstructuralcompon

8、entswastalculatedtherefore血eresultofriskassessmentoftheplatformstructuralcomponentswasobtaintedFourthlybasedonthereadymadespecialstructuralanalysisprogramforoffshoreplatforms，premisedusingthestructuralbaseshearforce(BSF)

9、orbaseOverturnMoment(OTM)toexpressthefunctionofstructuralsystemfimction，threestructuralsystemreliabilityanalysismethods，SamplingStatisticMethod，EquivalentLoadMethodandTotalProbabilityMethod，areputforwardaccordingtothecha

10、racteristicsofoffshoreplatformstructIlresandtheirenvironmentalactionAndthenthesystemreliabilitiesofJinzhouJZ20—2platformstructureareanalyzedTheeffectsofresistancerandomnessandloaddependenceonthesystemreliabilitywerecompa

11、redFinallyaccordingtotheresultsoftheanalysisandcalculationthemethodsofreliabilitiesanalysisandevaluation(riskassessment)ofoffshoreplatformstructuralcomponentsandsystemweredeveloped，andsomerelevantproblemsandsuggestionsin