高速公路軟基路堤變形預測及非線性有限元數(shù)值分析.pdf

1、東北林業(yè)大學碩士學位論文高速公路軟基路堤變形預測及非線性有限元數(shù)值分析姓名：江懷軍申請學位級別：碩士專業(yè)：道路與鐵道工程指導教師：楊林20110630AbstractAbstractInrecentyears，withtherapiddevelopmentofChinasinfrastructureconstruction，thehig：hwayswhichareconstructedinsoftsoilfoundationareinc

2、reasingSettlementofsoftsoilfoundationhavecharacteristicwithlargedeformation，unevensettlement，lastingislong，etc，whichgreatlyaffectsthestabilityofroad，comfortandsafetyofdrivingOnthebasisofcomprehensiveanalyzedthematerialab

3、outthedomesticandoverseasrelevantplasticdewateringplatereinforcedsoftsoilground，articlederivedequivalenttransformationmethodof3dsandWellsfoundationplanestrainbytheprincipleofthesamedegreeofconsolidationUsingABAQUSfinitee

4、lementsoftwarebuildingmodel，calculatethesoilsettlement，horizontaldisplacementandporewaterpressureandotherdataofthewholeconstructionprocessineachtime，throughprocessingthedatatoanalysisthecomplexmechanicalbehaviorandmacrod

5、eformationcharacteristicsofsoftsoilfoundationundermulti—levelloadingComparedthemeasuredandcalculatedvalues，andthendiscussesapplicationofplasticdrainboarddealtwithsoftsoilbasenumericalsimulationmethodandgroundtestresults，

6、studytheapplicabilitythatplasticdewateringplatepreloadingmethodtreatsoftsoilfoundationandthepossibilitythatdeterminedconstructionparameters，providetheoreticalbasisforthedesignofplasticdrainageplatetreatingthesoftroadbeda

7、ndtheevaluationofreinforcementeffectArticlestudythenatureanddeformationtheoryofsoftsoil，analyzesrelationshipsofcharacterandtimeoftheinstantaneoussettlement，consolidationsettlementandthesecondaryconsolidationsettlement，an

8、alyzestheapplicabilityofdifferenttheoriesbyresearchingforecastingmethodschoosesuitableforecastmethodforthenortheastcoldregion，consideringthemeasureddatatoanalyzerelationsofsettlementandtimeandpredictthefinalsettlementqua

9、ntityapplyartificialneuralnetworkmodelingtheoryestablishBPneuralnetworkforecastmodel，throughprocessingthemeasureddatasequencewiththesalTletimeinterval，train，simulateBPnetworkbyMATLAB，andthenrealizethepurposeofforecasting

10、settlementAnditspredictionresultscomparedwithhyperbolaandthreepointsAnalysistheaccuracyofpredictedresultsvariousmethodsforfutureprojectexpectedtoprovidecertainreferenceFinallyemphaticallyanalyzedsubgradestabilityofthesof

11、tsoilfoundation，comparingthecalculationresultsofstrengthreductionandlimitequilibriummethodtotestthereliabilityofit；analysisthestabilitycalculationofsensitivityrequiredparameters，itsparametersadjustmentinacertainrangeofre