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1 General Provisions 2 Terms 3 Arch Dam Layout 3.1 General Requirements 3.2 Foundation Rock Mass and Foundation Surface 3.3 Arch Dam Shape 3.4 Appurtenant Structures 4 Arch Dam Concrete 4.1 General Requirements 4.2 Concrete Strength and Durability 4.3 Concrete Raw Materials and Testing 5 Actions and Combinations of Actions 5.1 Actions 5.2 Combinations of Actions 6 Stress Analysis of Arch Dam 6.1 General Requirements 6.2 Analysis Methods 6.3 Control Criteria and Other Requirements 7 Sliding Stability Analysis of Abutment 7.1 General Requirements 7.2 Sliding Stability Analysis and Control Criteria 8 Overall Stability Analysis 8.1 General Requirements 8.2 Nonlinear Finite Element Analysis 8.3 Geomechanical Model Test 9 Seismic Design of Arch Dam 10 Foundation Treatment 10.1 General Requirements 10.2 Foundation Excavation 10.3 Foundation Consolidation Grouting and Contact Grouting 10.4 Grout Curtain 10.5 Foundation Drainage 10.6 Weak Zone Treatment 11 Dam Detailing 11.1 Dam Crest Elevation 11.2 Dam Crest Arrangement 11.3 Transverse and Longitudinal Joints 11.4 Joint Grouting 11.5 Gallery and Access 11.6 Waterstops and Drainage 12 Temperature Control and Crack Prevention Design 12.1 General Requirements 12.2 Control Criteria for Temperature and Thermal Stress 12.3 Temperature Control Measures 13 Water Release Structures and Their Energy Dissipation and Erosion Control 13.1 General Requirements 13.2 Layout of Water Release Structures 13.3 Design of Water Release Structures 13.4 Design of Energy Dissipation and Erosion Control 13.5 Plunge Pool and End Dam 13.6 Design of Protection Against Cavitation and Abrasion 13.7 Protection for Flood Discharge Atomization Area 14 Safety Monitoring Design 14.1 General Requirements 14.2 Monitoring Items 14.3 Monitoring Instrument Layout 15 Construction Requirements 15.1 Foundation Surface Excavation 15.2 Foundation Treatment 15.3 Concrete Construction 15.4 Monitoring 16 Initial Impoundment, Operation and Maintenance 16.1 General Requirements 16.2 Impoundment and Early-Stage Operation 16.3 Operation and Maintenance 16.4 Analysis and Evaluation of Dam Performance Appendix A Uplift Calculation Appendix B Single Safety Factor Design for Arch Dam Stress by Trial-Load Method Under Non-seismic Loading Appendix C Sliding Stability Analysis of Abutment Appendix D Single Safety Factor Design for Sliding Stability of Abutment Under Non-seismic Loading Appendix E Hydraulic Formulae Appendix F Classification and Selection of Monitoring Items Explanation of Wording in This Code List of Quoted Standards