H型抗滑桩的有限元分析

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1、西南交通大学硕士学位论文h型抗滑桩的有限元分析姓名：张泽坤申请学位级别：硕士专业：道路与铁道工程指导教师：左德元20080601西南交通大学硕士研究生学位论文第1I页AbstractExpansivesoilslopefailureiSthemostcommonphenomenonofsoilslope’Sdeformationinexpansivesoilarea．andjtsmaladywilldogreatharmtoengineering．Theanalysisofexpansivesoilslopefailurei

2、soneofthemostdifficultyproblemsingeotechnicalengineering．ThispapertakestheengineeringofMumahillexpansivesoillandsideforexample，whichadoptednonlinearfiniteelementmethodandconsideredsuchfactorsasexpansiveforce．Slopedeformationprocessandlatentslidefaceareanalyzedbycal

3、culatingthestressandstrainoftheslope．H．typeanti—slidepileiSawaytoreinforcetheslopeofexpansivesoil．whichcaneffectivelyrestraincrack’Sexpansionanddevelopment．aswellasstopslope’Sdeformation．h-typeanti—slidepileisdesignedandappliedinthe1970s．Sincethelate1980sandtheearl

4、y1990swhenpeoplerealizedtheinteractionbetweenthefoundationandthesoil，thedesigntheoryandmethodofanti．slidepilehavebeguntoemphasizeonanalyzingandstudyingtheeffectofthepileandthesoil．Butthestudyoftheh．typeanti—slidepileislessmaturethanthatofthesingletypeanti．slidepile

5、．ThefiniteelementSOflwareANSYSiSusedtoanalyzethereinforcementofslopeofexpansivesoilandresearchtheforcestateofsunkenh．．typeslide．．resistantpileintheprocessofreinforcementofslopeofexpansivesoil，SOastogetreasonableslide．resistantstructurecombinationdimension．Thenumeri

6、calanalysisandresultsshowthatforcestatesofslide—resistantpilesaregreatlydifferentunderdifferentdimensionparameter．Therefore，differentanti．slidepiledimensionparametershouldbeadoptedundersloperenovationstoprovidereferencesforprojectsanddesignoptimization．Themeritoffi

7、niteelementmethodisthatitisfitfordealingwithnonlinearfiniteelement，non—homogeneousandcomplicatedboundaryproblems，whichcanconsiderstratumcharacteristics，effectsoflocaldeformationonslopestabilityandthecontacteffectofpileandsoil．Theresearchresultsofthisthesishaveguidi

8、ngsignificanceon“thisproject”andprovidereferencesforotherrelevantprojects．Keywords：expansivesoillandsideslope，h-typeslide—resistantpile，finiteele