上部結(jié)構(gòu)-樁筏基礎(chǔ)-地基共同作用的非線性數(shù)值模擬.pdf

1、南京理工大學(xué)碩士學(xué)位論文上部結(jié)構(gòu)樁筏基礎(chǔ)地基共同作用的非線性數(shù)值模擬姓名：杜曉霞申請學(xué)位級別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：章楊松20050601AbstractPiledraftfoundationisoneofthefoundationsofhi曲buildingsSomeresearchresultshavebeenmadeOllthepiledraftfoundafionpresentlybuttheunderstandingof

2、itsworkingmechanismisnotclearenoughThisproblembecomesmorecomplicated，especiallywheninvolvedwiththeinteractionamongpiledraft，soilandupperstructureSoitwillneedfurtherin—depthstudiesInthispapertheresearchachievementsofpiled

3、raftandinteractiontheoryathomeandabroadaresummarizedcomprehensivelyBasedonthis，akindofpilesollinteractionmodelisestablishedutilizingFLAC3Dnumericalanalysisprocedure，whichcallconsiderthecontactandslipbetweenpileandsoiland

4、correspondstothefactrelativelyThenapplythismodeltotheanalysisofinteractionThemaincontentsofthispaperareasfollows：(1)Analyzetheworkingbehaviorsofasinglepileunderverticalload，comparingtheresultswiththefieldmeasurements，and

5、theyareidenfical(2)ThethreedimensionanalysismodelisestablishedusingFLAC3Dprocedureandnumericalsimulationisusedtostudytheinteractionamongupperstructure，piledraftfoundationandsoilundervertical10adnlesettlementoffoundationt

6、heinternalforceofraft，thedistributionofloadcarriedbypilesandtheinternalforceofupperstructureandSOOIlhavebeendiscussedsystematicallyInthispaperconstructionprocessisconsideredtrulyandthevariationalrulesalongwitlltheconstru

7、ctionarestudiedBesidestheeffectsofdifferentthicknessoftheraftareanalyzed，andthedifferencesofinternalforceofupperstructureareinvestigatedusingconventionalmethodandinteractionaianalysismethodThensomeusefulconclusionsfireac

8、hieved(3)neinteractionamongupperstructure，piledraftfoundationandsoilunder1ateralloadisstudiedComputationsareconductedbothbyinteractionalanalysismethodandconventionalmethod，toshowtheeffectsofthetwomethodsOnthelateraldispl