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1、重慶交通大學碩士學位論文浸水加筋土擋墻流固耦合分析姓名：鄧方明申請學位級別：碩士專業(yè)：港口、海岸及近海工程指導教師：何光春20090401ABSTRACTThemethodofFastLagrangianAnalysisofContinua．．Three．．dimensional(hereaftercalledFLAC3D)isanewtypeofnumericalanalysisdevelopingandimprovinginrecentyears．Atthetheoreticalguidanceofthecouplingcalculationandanalysistoth
2、efloodingreinforcedearthretainingwallbytheFLAC3Dsoftware，takingreinforcedbankprotectionworksofBinjiangRoadbytheYangtzeRiver,YuzhongDistrictaspracticallocation，thisarticlecalculatedandanalyzedtheparametersofdifferentlevelsofrevetmentimpactedthereinforcedretainingwallintheconditionofsteadysee
3、page，andtheparametersofdifferentdecelerationimpacteditintheconditionofunsteadyseepagerespectively，andgottheconclusionthattheoutcomesofcalculatingandanalyzingareproximitytothepracticalworksnumericalnumberbycomparingthem．Themainachievementsofthisarticlearefollows：(1)Onthebasisofcalculationoff
4、luid-solidcouplinganalysisonthereinforcedearthretainingwallwiththemethodoffinitedifferenceinFLAC3D，themodelnotonlymatchtheconditionofthestress-strainrelationshipofsoilbodyandtheequationofequilibriumofforces，butalsomatchthebasicequationandtheterminalconditionofseepage．Compared晰ththefiniteele
5、mentmethod，finitedifferencemethodinFLAC3Disbetteratanalyzingthestabilityofreinforcedretainingwall，theproblemsofanalysis，seepageinthedeformationofthecouplingandSOon．(2)Thecalculationindicatesthat：ThegeogridunitofFLAC3Dcanproperlysimulatethecontactcharacteristicsbetweenthereinforcementandsoil
6、bodyofthefloodingreinforeedretainingwalleffectively．(3)Fromthecalculationandanalysisintheconditionofsteadyseepage，wecangetthat：Theriseofwaterlevelwasbeneficialtoreducethelateraldeformation，butthesheafingstressincrementdecreasedfirstandthenincreasedwhichmeansthestabilityalsoincreasefirstandt
7、hendecrease．(4)Throughthecalculationandanalysisintheconditionofunsteadyseepage，itconcludedthat：theunsteadyseepagefieldinfluencedthestabilityofthereinforcedretainingwall，andthereductionofspeedhigher,thestabilitypoorer；thehorizontalshiftofwallfacedistribut
