水平荷載作用下桶基平臺的模型試驗研究和有限元分析

1、天津大學碩士學位論文水平荷載作用下桶基平臺的模型試驗研究和有限元分析姓名：魏世好申請學位級別：碩士專業(yè)：巖土工程指導教師：嚴馳20020601ABSTRACTBucketfoundation(BF)wasdevelopedandusedbyNorwayStatoil，whichWaSbominNorwayinnineties。BFisakindofdeep—skirtedcircularfoundation，whichisacircul

2、arplatewithskirtsandisreplacing垂lefoundationandgravityfoundationinsomeaspectsbecauseithassomeadvantages，such躺reducingengineeringwork，savinginvestment，shorteningconstructiontimeanditerativeuseButuntilnowalmostnoonehasmade

3、anyresearchtogeotectmicalpropertiesofbucketfoundationsInordertooffertheorybackgroundandtechnicalsupport，itissignificanttostudythemechanismofdeformationofBFandtheinteractionbetweenBFandsoil，toperfectthedesignmethodAssocia

4、tedwiththe863project，themodeltestsandFEMnumericalsimulationsofbucketfoundationunderhorizontalforcesareperformedThedistributionsandvarietiesofearthpressurealongtheoutsiderofbucketwitldifferentbucketdimensionsarestudiedbyi

5、ndoorandoutdoormodeltestsAFEAprogramisusedtocalculatethedistributionofearthpressure：Itfeaturesfollowingpoints：2DelementandDuncanChangelastic—nonlinearStreSS—straintheoryinterfaceelementwiththicknesswhichissetalonginterfa

6、cebetweendifferentmaterialzonesAccordingtotheanalysesofmodeltestsandcomputedresultsthecalculatingmethodofhorizontalhearingcapacityofbucketfoundationisdiscussed遮theconditionthatratioofheightanddiameterisbetweenland3Andana