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土工格栅加筋膨胀土边坡稳定性的分析方法及工程应用（英文）.docx

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土工格栅加筋膨胀土边坡稳定性的分析方法及工程应用（英文）为题目，写不少于1200的论文 AnalysisMethodandEngineeringApplicationofSoilReinforcedbyGeogridonSlopeStability Abstract Slopeinstabilityisasignificantgeologicalhazardduetonaturaloranthropogeniccauses.Oneofthemosteffectivemethodsforslopestabilizationistheuseofgeogridtoreinforcethesoil.Inthisstudy,wepresentananalysismethodforevaluatingthestabilityofsoilreinforcedbygeogridusingfiniteelementmethod(FEM). Casestudiesofthreeslopestabilityprojectswerepresentedandanalyzedtodemonstratetheapplicationoftheproposedmethod.Theresultsshowthatthereinforcementeffectofgeogridcansignificantlyimprovethestabilityofaslopebyreducingtheslidingdisplacementandincreasingthefactorofsafety. Introduction Slopeinstabilityisoneofthemostseriousgeologicalhazardsthatcancauseharmtopeople,property,andtheenvironment.Landslides,rockfalls,andcollapsesarecommontypesofslopefailuresthatcanbetriggeredbynaturalorhumanforces.Slopescanalsobecomeunstableduetosoilerosion,changesinsoilmoisture,andearthquakes. Geogridisasyntheticmaterialthathasbeenwidelyusedtoreinforcesoilsandimprovetheirmechanicalproperties.Geogridscanincreasetheshearstrength,reducedeformation,andenhancedrainageofsoil.ThispaperpresentsananalysismethodbasedonFEMtoevaluatethestabilityofasoilslopereinforcedbygeogrid. AnalysisMethod Theanalysismethodofsoilreinforcedbygeogridonslopestabilityisbasedonthefiniteelementmethod.Weuseatwo-dimensionalplanestrainmodeltosimulatetheslope,whichiscomposedofsoilandgeogridlayers.Theparametersofsoilpropertiesandgeogridareobtainedbylaboratorytestsorin-situmeasurement. Thestabilityanalysisisperformedbyconsideringthelimitequilibriumoftheslope.Thefactorofsafety(FS)isdefinedastheratiooftheshearstrengthtothedrivingforcesthatcauseapotentialfailure.Theslidingdisplacementiscalculatedbasedonthedeformationcharacteristicsofsoilandgeogrid. Theeffectofgeogridonslopestabilityisevaluatedbycomparingtheresultsofaslopewithoutgeogridreinforcementwiththoseofaslopereinforcedbygeogrid.Thegeogridreinforcementeffectisrepresentedby