26199.海上風力發(fā)電機筒型基礎(chǔ)穩(wěn)定性研究

1、天津大學碩士學位論文海上風力發(fā)電機筒型基礎(chǔ)穩(wěn)定性研究姓名：蔡志剛申請學位級別：碩士專業(yè)：巖土工程指導(dǎo)教師：閆澍旺201112Asenergycrisisismoreandmoreconcernedbypeople，lookingfornewrenewableenergybecomesthehotspotintoday’Ssociety，windresourcesasakindofrenewablecleanenergy，whichisf

2、requentlyusedInrecentyears，theworldwindenergymarketisgrowingfasteveryyearComparedtothewindgeneratoronland，seawindpowerhasmanyadvantages，suchasmorerichseawindresources，easytouse，andsaveresourcesoflandButatthesametime，weal

3、sofoundthat，theseawindpoweralsohasitsownproblems，suchas，theseaenvironmentismoresevere，constructioncostishigh，theloadischangedalot，whichmakethedesignofourjobmoredifficultThisessay，takingsomeoffshorewindgenerators，forexamp

4、le，triestodiscussthestabilityoftheseawindpowerfoundationThefanoftheseaisanfoundationoflargecylinderofthinwalled，whichhasgoodabilityofresistancetooverthrowandslidingWeuseABAQUSfiniteelementanalysissoftware，tosimulatefound

5、ationstabilityunderthecomplexloadconditionsofsea，suchas，waveload，iceload，windloadandwindmachine’SvibrationloadAtthesametime，ABAQUSsetthefrictionalcontacttoconsidertheeffectfromthesoilinthecylindertothefoundation，whichget

6、sthecorrespondinganalysisresults，andtheresultsshowthattheoffshorewindpowerbaseisstillstableunderthepremiseofconsideringmorecouplingloadAtthesametime，thefan’Svibrationloadhascausedsomeinfluencetothestabilityofthefoundatio

7、n，buttheeffectisnotbigBecausefoundationiSlocatedinthebottomoftheseathedrainageconditioniSpoor，thesurfaceofthesoiliseasilyliquefiedwhichisaseriousthreattheoffshorewindgeneratorssecurity，111ispaperintroducestheconditions，m

8、echanismandinfluencefactorsoftheliquefaction，andbythefiniteelementcalculation，analysesfoundation’Sstabilityafterliquefaction，andtriestogivetherelatedsuggestionsteducetheliquefaction’SadverseeffectKEYWoRDS：bucketfoundatio