Contents

Foreword

1　Scope1……………………………………………………………………………………………………

2　NormativeReferences2…………………………………………………………………………………

3　TermsandDefinitions3…………………………………………………………………………………

4　GeneralProvisions6………………………………………………………………………………………

5　SlopeClassificationandDesignFactorofSafety8……………………………………………………

6　AnalysisonSlopeStructuresandFailureModes10…………………………………………………　6.1　General10………………………………………………………………………………………………　6.2　Structuremodelofslope10………………………………………………………………………………　6.3　Analysisonmovementmodesofslopefailure12……………………………………………………………　6.4　Representativeprofilesofslopes12………………………………………………………………………

7　SlopeStabilityAnalysis13………………………………………………………………………………　7.1　General13………………………………………………………………………………………………　7.2　Actionsandactioncombinationsonslopes14………………………………………………………………　7.3　Physicalandmechanicalpropertiesofrock,soilandreinforcingstructures16………………………………　7.4　Slopestabilityanalysisagainstsliding17…………………………………………………………………　7.5　Stress-strainanalysisofslopes19…………………………………………………………………………

8　SlopeTreatmentDesign21………………………………………………………………………………　8.1　Generalprinciples21……………………………………………………………………………………　8.2　Basicrequirement21……………………………………………………………………………………

9　SlopeExcavationDesign23………………………………………………………………………………

10　SlopeDrainageDesign25………………………………………………………………………………　10.1　Surfacedrainage25……………………………………………………………………………………　10.2　Subsurfacedrainage25…………………………………………………………………………………

11　SlopeReinforcementDesign27………………………………………………………………………　11.1　Slopesurfaceprotection27………………………………………………………………………………　11.2　Slopesuperficialreinforcement27………………………………………………………………………　11.3　Slide-resistingpiles28…………………………………………………………………………………　11.4　Shear-resistingplugsandretainingconcreteplugs29………………………………………………………　11.5　Prestressedanchorcables29……………………………………………………………………………　11.6　Sloperetainingstructures31……………………………………………………………………………DL/T5353—200612　DesignofSafetyMonitoringandEarly-WarningSystem32…………………………………………　12.1　Generalprovisions32……………………………………………………………………………………　12.2　Safetymonitoringsystem32……………………………………………………………………………　12.3　Slopemonitoringandearly-warning34……………………………………………………………………

AppendixA(Normative)ClassificationofSlopesforHydropower

andWaterResourceProjects36……………………………………………………………

AppendixB(Normative)ClassificationofSlopeStructuresforHydropowerand

WaterResourceProjects38…………………………………………………………………

AppendixC(Normative)ClassificationofSlopeDeformationFailureandLandslides42…………

AppendixD(Normative)ReliabilityAssessmentofSlopeStability44………………………………

AppendixF(Normative)EstimationMethodofWaterPressureunderPermanentand

TransientDesignConditions48……………………………………………………………

AppendixG(Informative)ParametersofShearStrengthforRockandSoilSlopes50……………

AppendixH(Informative)RMRandGSISystemsforEstimationofShearStrengthof

IsotropicJointedRockMasses54…………………………………………………………

AppendixI(Informative)Calculationofslide-resistingpiles59……………………………………DL/T5353—2006