邊載作用下隔離樁的隔離效果研究.pdf

1、東南大學(xué)碩士學(xué)位論文邊載作用下隔離樁的隔離效果研究姓名：于汝康申請學(xué)位級(jí)別：碩士專業(yè)：土木工程；巖土工程指導(dǎo)教師：龔維明20120529東南大學(xué)碩士學(xué)位論文StudyonisolationeffectsofisolationpilesundersideloadingGraduatestudent：YURukangSupervisor：ProfGongWeimingDepartmentofCivilEngineering，Southeas

2、tUniversityABSTRACTIsolationpileisakindofpilefoundationcomponenttomakethefoundationstressgeneratedbyloadsofneighboringbuildingstobeisohted，anddonotoverlapandinfluenceeachotherThisresearchisrelvingontheNatiomlScienceandTe

3、chnologySupportProject’KeytechnologyresearchanddemomtrationofHongKongZhuhaiMacaobridgeclusterprojectsaerossthesea”，intheengineeringbackgroundoftheimmersedtubetunnelinHongKongZhuhaiMacaoclusterprojects，mainlyresearchedbea

4、ringpropertiesandisolationeffectsofisohtionpilesunderalargesidebadingintheislaI】dedgeIsolationPilessetinthisprojectisteducetheeffecttothepilefoundati011undertheimmersedtubetunnelcausedbylargeside皿loadingtheintheislandedg

5、eThebearingpropertiesandisolati011effec侮ofisolationpriesareresearchedwiththemethodcombiIledbymodelexperimentlateraltheoreticaIcalculatiorlandfiniteelerilentsimulatiollTheresultsshoWthattheisolati011effectsofisohti011prie

6、sAremainlyreflectedtheisolationofaxialforcebendingmomentandsettlementinwhichtheisolationofbendl。119moRlentismostobvious；toanalyzethemechanicalcharacteristicsoftheisolationPlieitseIfthroughtheresultsthetmchanicaIofcallbes

7、eelltobepassivepilebearingbothverticalforceandhorizontalforce；theisohtioneffectsofisohtionpriesareinfluencedbysomefactorssuchas口ilelengthPilediameterpilespacingandthedistanceofisohtionpile幻sidepileeteBased011theexperimen

8、tasimplifiedcalculati011formulatocalculatetheverticalfoiceandslrainofthePileisderivedaccordingtothemechanicalchamcteristicsoftheisolatedPilereferringseveralclassic10adtheories。andcompArewiththeexperimentresults；itisshowe

9、dthatthecalcularionresultsagreewellwithexperimentalresultsFinally，theisolati011effectsoftheisohtedpileareanalyzedwiththefiniteelementarkalysisofpracticalengineeringfindthattheisohtionpileshavenotsignificanteffecttherefor

10、esomeamendmentsareputforwardtodesignschemeofpracticalengineeringandtherevisedprogramwerecalcdatedus面gtheforanlhKeywords：Pilefoundation；Isolationpile；Modelexperiment；Simplifiedcalculationfonmlatocalcdatetheverticalforce；F