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TheInfluenceofDifferentInstabilityCriteriaonSlopeStability#br# UsingtheStrengthReductionMethod#br#

#br#   

  1. (TheThirdGeologicalTeamofJiangsuGeologicalandMineralBureau,Zhenjiang212000,Jiangsu,China)
  • Received:2023-11-30 Online:2024-08-08 Published:2025-07-08

Abstract: Abstract:Inordertocomprehensivelyunderstandtheimpactofdifferentinstabilitycriteriaonslopesta
bilityanalysisusingthestrengthreductionmethodandaddressissuesrelatedtoslopeinstability,this
studyconductedresearchontheinfluenceofdifferentinstabilitycriteriausingthestrengthreductionfinite
elementmethodonthestabilityofhomogeneoussoilslopes.ThestudywascarriedoutontheABAQUSfi
niteelementsoftwareplatform.Detailedanalysiswasperformedonthedifferencesinslopesafetyfactors
obtainedusingthestrengthreductionmethodunderdifferentinstabilitycriteria.Thestudyalsoanalyzed
howvariationsinsoilstrengthparametersaffectslopestabilityunderdifferentinstabilitycriteria.There
searchresultsindicatethattherearedifferencesinthesafetyfactorsobtainedusingthestrengthreduction
methodunderdifferentinstabilitycriteria.However,theextentofthesedifferencesdependsonthevaria
tionofsoilstrengthparameterswithincertainranges.Additionally,changesinsoilcohesion,internal
frictionangle,Poissonsratio,andotherparametersalsoinfluencethecriticalstateoftheslope,thede
velopmentoftheplasticzone,andtheshapeoftheslidingsurface.

Key words: instabilitycriteria, strengthreductionmethod, slopstability, safetyfactor

CLC Number: