1、大連理工大學碩士學位論文考慮樁土結構相互作用的結構動力數(shù)值分析研究姓名：夏雪嬌申請學位級別：碩士專業(yè)：結構工程指導教師：黃承逵20080601考慮樁結榆相互作用的結構動力數(shù)值分櫥研究NumericalAnalysisofPileSoil—StnlctllreInteraction‘inStructuralDynamicnAbstractPilefoundations嬲amatureapproachiswidelyusedinconstr

2、uctionprojectsinvarious纛eldsThecodeforseismicdesignofpileonlymakessomedetailsofseismicdesignbutlackssystematizationandpertinenceDatashowthatintheearthquakethereisahighlydynamicinteractionbetweenthepilefounda蛞onandsoilTll

3、iSpaperstudysthesubjectofnumericalmodelingofpilesoilsuperstructuredynamicinteractionunderseistoicloaditisacertainacademicsignificanceandvalueofprojectsSeveralCOlIllTIoneonstitutivemodelsareintroducedinthearticle，DruckerP

4、ragermodelisrecommendedtosimulatethematerialnonlinearityofsoilAdvantagesanddisadvantagesofcommoninterfaceelementsaleanalyzedinthepaper，itisrecommendedthatGoodmancontactelementsimulatespilesoilinterfaceTakingtheanalysismo

5、delsof3x3grouppilefoundationsunderhorizontalseismicloadasastudytargetdynamicinteractioninthepile—soilstructureisanalyzedbyusingthreedimensionalelasticplasficfiniteelementmethodinANSYSsoftwareSeismicwaveandsideboundaryale

6、simulatedbytheELCentroseismicwaveandelasticdampingsystemboundaryrespectivelyBycomparisonwithcomerpile，borderpileandmiddlepileofthedistributionoftheshearingstressamplitudealongthe譙le，SOllleconclusionsaledrawnasbelow：thedi

7、stributionofshearstressamplitudealongthepileisinverse—triangle，andthemaximumvalueatcomercolumn，thelessvalueatbordercolumn。and也ominilnunlvalueatmid。column珊lenpilespacingvaryshearstressdosenotchangeW1lilePilesideinerease)s

8、hearstressdecline011thetopofpile，anddecreaseslowlybypiledepthincreasingForinstance，a7floorsRCframestructure，thedynamiccharacteristicsofstructureandfoundationinteractioniscalculatedandcomparedwiththesubstructuremethodandi

9、ntegralfiniteelementmethodConsideringthepilesoilinteractionsystemofthecycleislargerandthestructureoftheinternalforcesreduces10％20％Underseismicexcitationsoftandhardsoftinterfacemaybecomethemostimportantcontrolledsection勰t

10、hetopofpileUnderthepilesoilinteraction，throughthecomparisonandtheanalysisofthelinearandnonlinearbehaviorofsoilmaterialmodel，fixedboundaryandelasticdampingboundaryofsideboundarytheconclusionsshowasbelow：consideringtheimpa

11、ctofnonlinear，systemofthecycleislargerlittleeffectoffloorleveldisplacement，thehorizontaldisplacementonpilesislargercolumninternalforce，issmallerpileinternalforceislargeratthepeakInelasticdampingboundaryofsideboundarysyst