1.0.1 This standard is formulated with a view to adapting to construction and development demands of concrete gravity dam, normalizing design of concrete gravity dam and achieving safety and usability, economic rationality, advanced technology and quality assurance in engineering design.
1.0.2 This standard is applicable to the design of Grades 1, 2 and 3 concrete gravity dam on the batholith of large-scale and medium-scale water resources and hydropower engineering; the design of Grades 4 and 5 concrete gravity dam may refer to this standard.
For the design of extremely important concrete gravity dam whose height is greater than 200m shall not only comply with this standard, but also speical study shall be carried out on some special issues.
1.0.3 Concrete gravity dam can be classified into low dam, medium dam and high dam according to its height. The dam whose height is less than 30m is referred to as low dam, greater than 30 and less than 70 (including 30m and 70m) is referred to as medium low and greater than 70m is referred to as high dam.
1.0.4 Main standards referred in this standard are as follows:
"Standard for Flood Control" (GB 50201)
"Standard for Classification and Flood Control of Water Resources and Hydropower Engineering" (SL 252)
"Design Specification for Intake of Hydraulic and Hydroelectric Engineering" (SL 285)
"Specifications for Seismic Design of Hydraulic Structures" (SL 203)
"Code for Design of Hydraulic Structures against Ice and Freezing Action" (SL 211)
"Hydraulic and Hydroelectric Engineering Specification for Design of Steel Gate" (SL 74)
"Design Code for Hydraulic Concrete Structures" (SL/T 191)
"Construction Specification of Cement Grouting Used for Hydraulic Structures" (SL 62)
1.0.5 The design of concrete gravity dam shall not only meet the requirements of this standard, but also comply with relevant current national and professional standards.
1 General Provisions
2 Major Terms and Symbols
2.1 Major Terms
2.2 Basic Symbols
3 Arrangement of Dam
4 Structure of Dam
4.1 General Requirements
4.2 Non-overflow Dam Section
4.3 Overflow Dam Section
4.4 Discharge Hole in Dam
5 Hydraulic Design of Water Release Structure
5.1 General Requirements
5.2 Calculation of Discharge Capacity and Energy Dissipation
5.3 Anti-cavitation Design of High Velocity Flow Area
5.4 Design of Energy Dissipation & Erosion Control Facilities
6 Design of Dam Section
6.1 Load and its Combination
6.2 Main Design Principle
6.3 Stress Calculation of Dam
6.4 Anti-slide Stability Calculation of the Dam
6.5 Design of Overflow Dam Pier Structure
7 Treatment Design of Dam Foundation
7.1 General Requirements
7.2 Excavation of Dam Foundation
7.3 Consolidation Grouting of Dam Foundation
7.4 Seepage Prevention and Drainage of Dam
7.5 Treatment of Fault Fracture Zone and Soft Structural Plane
7.6 Karst Seepage Prevention
8 Construction of Dam
8.1 Dam Crest
8.2 Gallery and Channel in Dam
8.3 Dam Jointing
8.4 Water Stop and Drainage Faculties of Dam
8.5 Dam Concrete Material and Zones
9 Temperature Control and Crack Control Measures
9.1 General Requirements
9.2 Temperature Control Criteria
9.3 Temperature Control and Crack Control Measures
10 Safety Monitoring Design
10.1 General Requirements
10.2 Key Points of Monitoring Item and Monitoring Facilities Arrangement
Appendix A Calculation Formula of Hydraulic Design
A.1 Weir Surface Curve, Weir Surface Pressure and Ogee Section Radius
A.2 Shape Design of Dam Discharge Hole
A.3 Calculation Formula of Discharge Capacity and Aerated Water Depth
A.4 Hydraulic Elements of Ski-jump Energy Dissipation
A.5 Hydraulic Elements of Underflow Energy Dissipation
A.6 Anti-cavitation Design
Appendix B Load Calculation Formula
B.1 Hydro-static Pressure Vertically Applied on a Point of Dam Surface
B.2 Silt Pressure
B.3 Uplift Pressure
B.4 Ice Pressure
B.5 Centrifugal Force of Ogee Section Water Flow
B.6 Wave Pressure
Appendix C Calculation Formula for Stress of Solid Gravity Dam
C.1 Vertical Normal Stress on Upstream and Downstream Dam Surfaces
C.2 Shear Stress on Upstream And Downstream Surfaces
C.3 Horizontal Normal Stress on Upstream and Downstream Surfaces
C.4 Principal Stress on Upstream and Downstream Surfaces
Appendix D Engineering Geological Classification of Dam-foundation Rock Mass and Coefficient of Rock Mass Mechanics
Appendix E Anti-slide stability Calculation for Deep Layer of Dam Foundation
Appendix F Temperature and Temperature Stress Calculation of Dam during Construction
F.1 Concrete Temperature Calculation
F.2 Cooling Calculation of Cooling Water Pipe
F.3 Thermal Insulation of Concrete Surface
F.4 Temperature Stress
Explanation of Wording
Standard
SL 319-2005 Design specification for concrete gravity dams (English Version)
1.0.1 This standard is formulated with a view to adapting to construction and development demands of concrete gravity dam, normalizing design of concrete gravity dam and achieving safety and usability, economic rationality, advanced technology and quality assurance in engineering design.
1.0.2 This standard is applicable to the design of Grades 1, 2 and 3 concrete gravity dam on the batholith of large-scale and medium-scale water resources and hydropower engineering; the design of Grades 4 and 5 concrete gravity dam may refer to this standard.
For the design of extremely important concrete gravity dam whose height is greater than 200m shall not only comply with this standard, but also speical study shall be carried out on some special issues.
1.0.3 Concrete gravity dam can be classified into low dam, medium dam and high dam according to its height. The dam whose height is less than 30m is referred to as low dam, greater than 30 and less than 70 (including 30m and 70m) is referred to as medium low and greater than 70m is referred to as high dam.
1.0.4 Main standards referred in this standard are as follows:
"Standard for Flood Control" (GB 50201)
"Standard for Classification and Flood Control of Water Resources and Hydropower Engineering" (SL 252)
"Design Specification for Intake of Hydraulic and Hydroelectric Engineering" (SL 285)
"Specifications for Seismic Design of Hydraulic Structures" (SL 203)
"Code for Design of Hydraulic Structures against Ice and Freezing Action" (SL 211)
"Hydraulic and Hydroelectric Engineering Specification for Design of Steel Gate" (SL 74)
"Design Code for Hydraulic Concrete Structures" (SL/T 191)
"Construction Specification of Cement Grouting Used for Hydraulic Structures" (SL 62)
1.0.5 The design of concrete gravity dam shall not only meet the requirements of this standard, but also comply with relevant current national and professional standards.
Contents of SL 319-2005
1 General Provisions
2 Major Terms and Symbols
2.1 Major Terms
2.2 Basic Symbols
3 Arrangement of Dam
4 Structure of Dam
4.1 General Requirements
4.2 Non-overflow Dam Section
4.3 Overflow Dam Section
4.4 Discharge Hole in Dam
5 Hydraulic Design of Water Release Structure
5.1 General Requirements
5.2 Calculation of Discharge Capacity and Energy Dissipation
5.3 Anti-cavitation Design of High Velocity Flow Area
5.4 Design of Energy Dissipation & Erosion Control Facilities
6 Design of Dam Section
6.1 Load and its Combination
6.2 Main Design Principle
6.3 Stress Calculation of Dam
6.4 Anti-slide Stability Calculation of the Dam
6.5 Design of Overflow Dam Pier Structure
7 Treatment Design of Dam Foundation
7.1 General Requirements
7.2 Excavation of Dam Foundation
7.3 Consolidation Grouting of Dam Foundation
7.4 Seepage Prevention and Drainage of Dam
7.5 Treatment of Fault Fracture Zone and Soft Structural Plane
7.6 Karst Seepage Prevention
8 Construction of Dam
8.1 Dam Crest
8.2 Gallery and Channel in Dam
8.3 Dam Jointing
8.4 Water Stop and Drainage Faculties of Dam
8.5 Dam Concrete Material and Zones
9 Temperature Control and Crack Control Measures
9.1 General Requirements
9.2 Temperature Control Criteria
9.3 Temperature Control and Crack Control Measures
10 Safety Monitoring Design
10.1 General Requirements
10.2 Key Points of Monitoring Item and Monitoring Facilities Arrangement
Appendix A Calculation Formula of Hydraulic Design
A.1 Weir Surface Curve, Weir Surface Pressure and Ogee Section Radius
A.2 Shape Design of Dam Discharge Hole
A.3 Calculation Formula of Discharge Capacity and Aerated Water Depth
A.4 Hydraulic Elements of Ski-jump Energy Dissipation
A.5 Hydraulic Elements of Underflow Energy Dissipation
A.6 Anti-cavitation Design
Appendix B Load Calculation Formula
B.1 Hydro-static Pressure Vertically Applied on a Point of Dam Surface
B.2 Silt Pressure
B.3 Uplift Pressure
B.4 Ice Pressure
B.5 Centrifugal Force of Ogee Section Water Flow
B.6 Wave Pressure
Appendix C Calculation Formula for Stress of Solid Gravity Dam
C.1 Vertical Normal Stress on Upstream and Downstream Dam Surfaces
C.2 Shear Stress on Upstream And Downstream Surfaces
C.3 Horizontal Normal Stress on Upstream and Downstream Surfaces
C.4 Principal Stress on Upstream and Downstream Surfaces
Appendix D Engineering Geological Classification of Dam-foundation Rock Mass and Coefficient of Rock Mass Mechanics
Appendix E Anti-slide stability Calculation for Deep Layer of Dam Foundation
Appendix F Temperature and Temperature Stress Calculation of Dam during Construction
F.1 Concrete Temperature Calculation
F.2 Cooling Calculation of Cooling Water Pipe
F.3 Thermal Insulation of Concrete Surface
F.4 Temperature Stress
Explanation of Wording
