Major technical modifications to SDJ218-84 include:1 The applicable scope of this standard is changed;2 A new calculating method of dam height (the vertical distance from the foundation elevation to the dam crest at the dam axis) is added;3 A chapter of major terms is added;4 New criteria of compaction for cohesive soil areadded;5 Calculation of wave runup on slopes with a gradient more than 1:1.5 is added;6 The calculating method of curtain thickness according to allowable seepage gradient isdeleted for bedrock grouting;etc.
目录
Introduction to English Version Foreword 1 GeneralProvisions 2 Terms 3 Layout and Dam Type Selection 3.1 Dam Axis 3.2 Water Release and Diversion Structures 3.3 Selection of Dam Type 4 Selection of Fill Materials and Compaction Requirem ents 4.1 Selection of Fill Materials 4.2 Compaction Requirements 5 Dam Structure 5.1 Zoning 5.2 Dam Slopes 5.3 Freeboard 5.4 Crest 5.5 Impervious Zones 5.6 Filters and Transition Zones 5.7 Dam Drainage 5.8 Slope Protection 5.9 Surface Drainage 6 Foundation Treatment 6. 1 General Requirements 6.2 Seepage Control for Sand and Gravel Foundations 6.3 Treatment of Rock Foundations 6.4 Treatment of Liquefiable Soil Soft Clay and Collapsible LoessFoundations 7 Connections of Dam Body with Foundation Abutment Slopes and Other Structures 7.1 Connections of Dam Body with Foundation and Abutment Slopes 7.2 Connections of Dam Body with Other Structures 8 Calculation and Analysis 8.1 Seepage Calculation 8.2 Seepage Stability Calculation 8.3 Stability Calculation 8.4 Calculation of Stress and Deformation 9 Stage Construction and Dam Raising 9.1 Stage Construction 9.2 Dam Raising 10 Safety Monitoring Design Annex A Wave and Slope Protection Calculation A. 1 Wave Calculation A.2 Slope Protection Calculation Annex B Filter Design Annex C Estimate of Pore Pressure in Dams Annex D Stability Analysis D.1 Determination of Shear Strength D.2 Stability Calculation Annex E Settlement Calculation E.1 General Considerations E.2 Vertical Stress Calculation E.3 Settlement Calculation Explanation of Wording
