塑料板排水堆載預壓法加固軟基變形性狀與沉降預測方法研究.pdf

1、中南大學碩士學位論文塑料板排水堆載預壓法加固軟基變形性狀與沉降預測方法研究姓名：吳曉恩申請學位級別：碩士專業(yè)：地質工程（巖土工程）指導教師：隆威20080501ABSTRACTThedistributionofsoftsoiliSveryextensiveinChinathecharacteristicsofitare：highnaturalmoisturecontentratio，highnaturalvoidlevelandhigh

2、compressionratioTheunfavorablecharactersofsoftsoilfoundationare：thelowcarryingcapacity，highsettlementandlongconsolidationtimeThesoftsoilconsolidationproblemofthebuildingsaresetuponitwhichconstructonthesoftsoilisatechnica

3、lticklerSoitisveryimportanttotheoryandactualitybyprobingtheregularityofsoftsoil，forecastthefinalconsolidationbytheforecastmodelandmethodologyfromtheactualsettlementdataAstudyiscarriedouttotheapplicationscopeofstakpreload

4、inganddynamiccompactioninsoftfoundationtreatmentofNanitanginYantanportofwestportareaofShenzhen，thedesignofconstructionparameter，localobservationTheexaminationandanalysisaremadeonthereinforcementeffectofthismethodTheresul

5、tshowsthattheanalyzerfulfillsalldesignrequirements，expoundstheprincipleandimplementationprocedureofANNTwOdifferentmodelingmethodsofneuralnetworkareusedinthepaperfordifferentconditionsandrequirementsinpracticalengineering

6、OneisBPusingimplicitformulatoexpresstheconnectionbetweenfactorsandsettlementThecurrentsettlementcanbeconcludedbyknownfactorswhenpredictingTheotheriSElmannotconsideringthefactorsofsettlement，butestablishingtheneuralnetwor

7、kmodelfortheconnectionbetweencurrentsettlementandthepastThenthelatesettlementcanbepredictedbyhighlynonlinearcurvefittingVerifyandcontrasttothetraditionallayerwisesummationmethod。somemethodsofcurvefittingmethodsuchashyper

8、bolicmethod，exponentialmethod，poissioncurvemethodandAsaokamethod，andthesampletraining，thecheckareusedtodiscusstheresultsoffittingandpredictionSOthata11thesemethodscanbeevaluatedbyusinganunifiedstandardItiSshownthatBPandt