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加筋土结构筋-土界面特性研究进展 Abstract Reinforcedsoilstructureshaveemergedasapopularformofretainingstructuresduetoitsexcellentstabilityandversatility.Theperformanceofreinforcedsoilstructureslargelydependsontheinterfacepropertiesbetweenthesoilandreinforcement.Thispaperpresentsacomprehensivereviewoftheinterfacecharacteristicsofreinforcedsoilstructures.Firstly,thebasicintroductiontothereinforcedsoilstructureisprovided.Secondly,wediscussthedifferentapproachesforstudyingtheinterfacecharacteristicsbetweenthesoilandreinforcements,includinganalytical,numericalandexperimentalmethods.Thirdly,wereviewtheeffectsofdifferentfactorsoninterfaceproperties,includingreinforcementtype,soiltype,moisturecontent,compaction,confinement,andtemperature.Finally,someconclusionsandfuturedirectionsofresearchintheareaofreinforcedsoilstructureinterfacepropertiesareprovided. Keywords:Reinforcedsoilstructure,interfaceproperties,analyticalmethods,numericalmethods,experimentalmethods,reinforcementtype,soiltype,moisturecontent,compaction,confinement,temperature. Introduction Reinforcedsoilstructures(RSS)refertothestructuresthatconsistofsoilandreinforcementelements,usuallymadeofgeosyntheticmaterials.RSShaveproventobeapopularformofretainingstructuresduetoitslowcost,easeofconstruction,versatilityandstability.TheperformanceofRSSislargelydependentonthepropertiesofinterfacebetweenthesoilandthereinforcement.Theinterfacepropertiesbetweensoilandreinforcementarecriticalindeterminingthedeformationbehaviour,loadcarryingcapacityanddurabilityofreinforcedsoilstructures. InterfaceCharacteristicsofReinforcedSoilStructures AnalyticalMethods Theanalyticalmethodisthemosttraditionalmethodforanalysingtheinterfacebehaviourofreinforcedsoilstructures.Thismethodinvolvestheuseofmathematicalmodelsconstructedusingconstitutiveequationstorepresentthemechanicalbehaviourofsoilandreinforcement.Inthismethod,theinterfaceistreatedasadiscontinuitysurfacealongwhichthestressesandstrainsarediscontinuous.Thismethodenablesthedeterminationofthedistributionof