大型非錨固儲油罐應(yīng)力分析與抗震研究.pdf

1、浙江大學(xué)博士學(xué)位論文大型非錨固儲油罐應(yīng)力分析與抗震研究姓名：陳志平申請學(xué)位級別：博士專業(yè)：化工過程機(jī)械指導(dǎo)教師：蔣家羚20060430ABSTRACTThelargeunaIlchoredoilstoragetankisthekeyequipmentofthenationalstmtegicoilstOragereservoirRecently，thela礓p—scalizationbecomesitsdeVelopmentte力den

2、cyFailuresofthesetankswjllbeterribleT11erefore，itisveryimportanttesearchonthestressconditionaⅡdsaf色tyassessmentsofthesetanksBasedonthefiledtestingofstresses，thestaticstrengthanalysisandaseismicresearchofthe15104m3oiltank

3、sconstructedlatelyi玎chi訂ahavebeenconductedby山emechanjcmodela工1d血j￡eelementnumericalsimulationThemainstudyispresentedasf01lows=AnewmetllodcalledLong—ShortCylindricalShellMethodhasbeenpr叩osedtocalculatethestressinwallofthe

4、1a曙eunanchoredoilstoragetankInthismethod，thefirstshellplateisregardedasasboncylindricalshellAnda11theothershellplatesareconsideredastheloⅡgcylindricalshellsmaddition，theElastic—Innexible￡oundationbeam—couplingmodelisappl

5、iedtothetank—bottomannularplateThen，thestresscalculationfbrIllulasarededucedtoestimatethestressdistr：ibutioniⅡthetaⅡkwallandbOttomplateThisresearchindicatesthatthetheoreticalValuescalculatedbythenewmethodmatchthestresste

6、stingresuLtsVeryweUandthecalculationisVerysimpleTherefore，thenewmethodissuitabletotheen百neeringapplicationBythewateringexperimentofthe15104m3tankwiththefIoatingroofthefieldtestinghasbeencaⅡiedouttoevaluatethestressinthew

7、allaIldbottomplateoftheoilstoragetankInthisteScing，alotofmeaniIlgfuldatahavebeenobtained，whichprovedthattheresistancestrainmeasuringtechniqueisafeaSiblemethodtotestthestressofthelarge0ilsCoragetankConsideringtheuncertain

8、tyofthefbundationcoe髓cjentduringthefiniteelementmodelingofthelargeunanch甜edoilstoragetank，anewmodelhasbeenputforwardtodealwiththecontactconditionbeMeenmeFOunda工ldbottomplate0fthestoragetankInthismodel’七h(yuǎn)efoundationsettIe