門(mén)架式水力插板樁的有限元分析和優(yōu)化設(shè)計(jì)

1、中國(guó)海洋大學(xué)碩士學(xué)位論文門(mén)架式水力插板樁的有限元分析和優(yōu)化設(shè)計(jì)姓名：羅勇申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：港口、海岸及近海工程指導(dǎo)教師：郭海燕2003.6.1AbstractFinlteEIementAnaIysisandOptimumDesignofPortaWaterlnjectionSheetPiIesAbsttactThedomesticandabroadresearchaboutretainingstructurewithdoubler

2、owpilesissummarized，anditsdisadvantagesareshowninthispaperTwo—dimensionalnonlinearplanestralnFemanalysis，whichemphasizesthepilesoilinteraction，isdevelopedforportalwaterinjectionsheetpileswitllthesoftwareAnsysBecauseofthe

3、differentmaterialpropertyofthepilesandsoil，shearstressisproducedonthecontactsurfacebetweenpilesandsoil，whichmaycauseslideandcrazingofthesoilmassunderworkload／norderteflectthemechanicalcharacterpreciselyonthecontactsurfac

4、e，anewkindofelement，planeplanecontactelementisintroducedTheprincipleoftheprocessispresentedindetailandthefiniteelementmodelisestablishedwiththeconsiderationofthesoil’SelastoplasticconstitutiverelationComparedwiththeexami

5、nationresultsthettIeoreticalcalculationresultswithfiniteelementmethoddemonstratethefeasibilityofthecontactelementWithanengineeringexample，theinfluenceofmanymaterialfactorsonpilesdeformationandcontactstressofportalwaterin

6、jectionsheetpileshasbeendiscussedBasedonthenumericalresultsanoptimumdesignmodel，whichconsidersthemaximaldeformationofthepilesasobjectivefunction，isputforwardwiththecomputerlanguageAPDLprovidedbyAnsysprogramFinicallythedy

7、namicpropertyofportalwaterinjectionsheetpilesisanalyzedinthispaperandtheinfluenceondynamicpropertyofpilelengthanddistancebetweenpilesisdiscussedindetailSomevaluableconclusionshavebeenreached，whichcalldosomethingusefultoe