老齡石油平臺抗震可靠性分析.pdf

1、中國石油大學(xué)（華東）碩士學(xué)位論文老齡石油平臺抗震可靠性分析姓名：吳俊杰申請學(xué)位級別：碩士專業(yè)：機械電子工程指導(dǎo)教師：陳國明20090401SeismicReliabilityAnalysisforAgedOffshorePlatformWuJtmjie(MechatronicEngineering)DirectedbyProfChenOuomingAbstractAtpresent，inourcountrytheserviceyearo

2、fmostoffshoreplatformsaremuchlongSomeoftheplatformshavebeenservicingforaslong邪orovertheiroriginaldesignlifetime，andtheyaresteppingintothelaterserviceperiod，andageingtrendoftheplatformisseriousAtpresent，weareaimedtobuildt

3、hesavingtypesociety，SOhowtotapthelaterpoweroftheexistingplatformsandguaranteetheseismicbehavioroftheagedplatformshaveautomaticallybecomearesearchsubject、析tllgreatpracticalsignificanceThedissertationfocusesonseismicreliab

4、ilityanalysisforagedoffshoreplatform，whichisapartofthe“863’’HighTechnologyResearchandDevelopmentProgramofChina(2006AA092355)of“ResearchonLifeExtensionTechnologyforAgedOffshorePlatforms’’andtheShandongNaturalScienceFounda

5、tionProgram(200637b2804040)of“ResearchonVirtualSafetyTheoryandApplicationforOffshoreStructure”ThefmefiniteelementmodelsforthejacketplatformwitlldifferentageingfeaturesarebuiltTheresponseoftheagedjacketplatformtothewholes

6、eismictimeprocessisanalyzedmakinguseoftimedomainanalysis，andtheaffectionsofcrackdamage，collisiondamage，corruption，lostcomponents，SCOuraroundpilesfoundationalong而mmarinegrowthtothegeneralruleofageingjacketplatform’Sseismi

7、cresponsearesummedupThefiniteelementmodelofsolidliquidcouplingonoilstoragejacketplatformisbuilt，andthedynamicbehaviorisstudiedThechangeforthefrequency，vibrationmodeofthestructuralsystemunderthesituationwithdifferentdepth

8、inoilstoragetankandthereactionoftheoilstoragejacketplatformundertheaffectionofseismicloadarediscussed，whichcanprovidereferencebasisforshockabsorptionofoilstoragejacketplatformBasedonwholestepwisepushmethod，anapproximatio

9、nmethodtoevaluatetheultimateseismiccapacityofagedjacketplatformisproposedTheselectionmethodforthemainfailuremodeofagedplatformunderseismicloadisdeducedthroughthediscussionofthestructurefailuremodesunderdisasterload，andth

10、ismethodisverifiedthroughexamplesTheseismicreliabilityindexofagedjacketplatformiscalculatedAtthesametime，theinfectionofcorruptionandoilstoragedepthtoseismicreliabilityofagedplatformisanalyzedThefiniteelementmodelofagedja

11、ck—updrillingplatformisbuiltThestabilityforspudlegofagedjack—updrillingplatformisanalyzedaccordingtotheCCSstandardThefeatureandformingreasonforagingofjack—updrillingplatformareexplored，theseismicresponseanalysisofjackupd