1 Scope 1
2 Normative References 2
3 Terms and Definitions 3
4 Basic Design Provisions 6
4.1 General Provisions 6
4.2 Design Criterion and Phases 8
4.3 Basic Information 13
5 Primary Dam 15
5.1 Axis of Primary Dam 15
5.2 Height of Primary Dam 15
5.3 Type Selection of Dam 17
5.4 Construction Material 19
5.5 Filling of Dam Bodies 21
5.6 Construction of Dam Top 23
5.7 Structure of Dam Slope 24
5.8 Seepage Drainage Facilities of Dam Bodies 26
5.9 Impermeable Media 28
5.10 Inverted Filter 30
5.11 Junctions of Dam Body with Ground Base,Bank Slope and Burial Pipes 32
5.12 Treatment of Dam Foundation 34
6 Subdam 37
6.1 Subdam Heightening 37
6.2 Material and Structure of Subdams 38
6.3 Seepage Drainage Facilities for Subdam 40
6.4 Hydraulic Filling Damming of Ash and Slag 40
6.5 Foundation of Subdam 47
7 Phreatic Lines of Dam Bodies 54
7.1 Control ofPhreatic Line of Dam Bodies 54
7.2 Seepage Calculation of Dam Bodies 54
8 Calculation and Analysis of Dam Bodies 56
8.1 General Provisions 56
8.2 Calculation of Anti-sliding Stability of Dam Bodies 57
8.3 Static and Dynamic Analysis for Dam Bodies 59
9 Dam Safety Monitoring System 61
9.1 General Provisions 61
9.2 Phreatic-line Monitoring System 61
9.3 Displacement Monitoring System 62
10 Requirements for Construction Quality Control 63
10.1 General Requirements 63
10.2 Requirements for Filling 65
10.3 Requirements for Quality Control 68
11 Requirements for Operation Management 70
11.1 General Provisions 70
11.2 Engineering Management of Ash Yard 70
11.3 Monitoring of Dam Bodies and Phreafic Lines 71
11.4 Monitoring of Ash and Slag Discharging 72
11.5 Drainage System Monitoring 73
Appendix A(Normative) Methods for Measuring Sheafing Strength Index and Selection Thereof 75
Appendix B(Informative) Calculation Principle and Required Test Data for Static and Dynamic Analysis by Using Gross Stress Method 77