DL/T5057-2009Replaces DL/T 5057-1996
Design Specification for Hydraulic ConcreteStructures
水工混凝土结构设计规范（英文版）
Issued by: National Energy Administration P. R. China
Translatedby:HYDROCHINA CORPORATIONChina Renewable Energy Engineering Institute
Contents
Foreword
3.1Main terms 33.2Symbols of material properties 63.3Symbols of action (load）， action (load）effect and bearing force 3.4Symbols of geometric parameters 73.5Calculation coelficients and other symbols 10 8
5.1General provisions5. 2Provisions tor ultimate imit state calculation of bearing capacity 13 155.3Provisions for checking calculation of serviceability limit state 175.4Durability requirements for structures 19
6.1Concrete 286.2Rebars 29
7.2Linear-elastic analysis 7.1Basic principles 347.3Non-linear analysis 34 367.4Structure design based cn model test7.5Other methods 38
8.1General provisions 398.2Members in pression 8.3Flexural members 398.4Local pression 42 4243
9.1General provisions for calculation of bearing capacity of normal section 449. 2Calculation of flexural bearing capacity of normal section 45
9.3Caloulation of pression beering capacity of normal section 489.4Calculation of tension bearing capacity of normal section 9.5Bearing capacity calculation for oblique section 56 579. 6Calculation of torsion bearing capacity 619. 7Calculation of punch shear bearing capacity 659. 8Calculation of local pression bearing capacity 69
10Checking Calculation of Serviceability Limit State for Reinforced Concrete Members 71
10. 1Crack-resisting calculation for nomal section 7110. 3Checking caloulation for crack control of non-member system 10. 2Checking calculation for crack width control in normal section 7510. 4Checking calculation for deflection of fiexural members 76
11Calculation of Prestressed Concrete Structural Members 78
11. 1Provisions of calculation .. 7811. 2 General provisions for bearing capacity caloulation of normal section 8911. 3 Calculation of flexural capacity for normal section * 11. 4Calculation of tension capecity for normal section 9011. 5Calculation of bearing capacity for oblique section 9411. 6 Checking calculation of cracking prevention 9511. 7Checking calculation of crack width 9911. 8Checking calculation of deflection for flexural members 101
12General Provisions for Concrete Structure 103
12. 1Permanent and temporary joints 12.2Concrete cover 104 10312.3Anchorage of reber 10512.4 Rebar splices 10712. 5 Minimum reinforcement ratio of longitudinal carrying rebar 12. 6 Connections. slings and embedded parts of precast members 110 108
13Basic Provisions for Structural Members 112
13.1 Slabs ..13.2Beams .11513.3Columns 12013. 4Nodes of beam and column 12113.6Composite lexural members 13.5 Walls . 124 12613. 7 Deep flexural member .13113.8Bracket 13613.9 Corbeis ... 13. 10 Supports of radial gates 13813.11Prestressed concrete piers of radial gates 140 14313. 12 Reinforced concrete spiral case13. 13 Reinforced concrete draft tube 150
13. 14Openings and holes in dam 15013.15 Piane gate slot ...... 15114Design Principles for Temperature Action .. 15214.1General provisions*.. 14.2Crack control of mass concrete under temperature action 15314. 3Calculation of reinforced-concrete frames under temperature action15Seismic Design for Reinforced Concrete Members .... 15615.1General provisions 15615. 2Frame beams .. 15715.3Frame columns 15. 4Beam-column nodes in frames. .163 .. 15915. 5 Hinged bent column 16515.6Bridge span structures 167Appendix A（Informative)Compressive Strength Ratio of Concrete at Different Ages-..170Appendix B （Informative)Thermal Index of Concrete ..171AppendixC (Informative） Nominal Sectional Area Calculation Sectional Area TheoreticalAppendix D(Normative)Reinforcement Calculation Principles of Linear Elastic StressDiagram for Non-memberSystemReinforced Concrete Structure..177Appendix E（Informative) Multiaxial Strength and Constitutive Relationship of Concrete .179Appendix F（Normative)Plasticity Coefficient Yof Sectional Moment ResistanceAppendix G (Normative) Calculation Method for Normal Rectangular Section BearingCapacity of Reinforced Concrete Flexural Members ........... 184Appendix H(Normative)Approximate Calculation Method for Flexural Bearing Capacityof Normal Section for Reinforced ConcreteTwo-way Flexural Members ..186Appendix J (Normative)Prestress Losses of Post-tensioned and Pre-stressed ReinforcingBars in Typical Bundle Shapes .......Appendix K(Normative) Time Dependent Prestress Loss ... 191Appendix L（Informative) Stress Correction Method for Stress Calculation of Neck Partof Prestressed Concrete Gate Pier for Radial Gate..... 193
