1 General Provisions …… 1
2 Terms and Symbols …… 2
2.1 Terms …… 2
2.2 Symbols …… 4
3 General Requirements …… 7
3.1 General …… 7
3.2 Structural Scheme …… 8
3.3 Ultimate Limit States …… 9
3.4 Serviceability Limit States …… 10
3.5 Durability Requirements …… 13
3.6 Principles for Design of Preventing Progressive Collapse …… 16
3.7 Principles for Design of Existing Structures …… 17
4 Materials …… 19
4.1 Concrete …… 19
4.2 Steel Reinforcement …… 21
5 Structural Analysis …… 28
5.1 General …… 28
5.2 Analysis Model …… 29
5.3 Elastic Analysis …… 30
5.4 Analysis on Plastic Re-distribution of Internal Forces …… 31
5.5 Elastic-Plastic Analysis …… 32
5.6 Plastic Limit Analysis …… 33
5.7 Indirect Action Effect Analysis …… 33
6 Ultimate Limit States Design …… 34
6.1 General …… 34

6.2 Calculation of Flexural and Axial Capacity ..... 34
6.3 Calculation of Shear Capacity ..... 54
6.4 Calculation of Torsional Capacity ..... 64
6.5 Calculation of Punching Shear Capacity ..... 73
6.6 Calculation of Local Compression Capacity ..... 77
6.7 Checking of Fatigue ..... 80
7 Checking of Serviceability Limit States ..... 88
7.1 Checking of Cracks ..... 88
7.2 Checking of Deflection of Flexural Members ..... 97
8 Detailing Requirements ..... 101
8.1 Expansion Joint ..... 101
8.2 Concrete Cover ..... 102
8.3 Anchorage of Steel Reinforcement ..... 103
8.4 Splices of Reinforcement ..... 106
8.5 Minimum Ratio of Reinforcement for Flexural and Axial Loading Members ..... 109
9 Fundamental Requirements for Structural Members ..... 111
9.1 Slabs ..... 111
9.2 Beams ..... 115
9.3 Columns, Joints and Brackets ..... 123
9.4 Walls ..... 131
9.5 Composite Members ..... 133
9.6 Precast Concrete Structures ..... 135
9.7 Embedded Parts and Connecting Pieces ..... 137
10 Prestressed Concrete Structural Members ..... 141
10.1 General ..... 141
10.2 Loss of Prestress ..... 150
10.3 Detailing of Prestressed Concrete Members ..... 155
11 Seismic Design of Reinforced Concrete Structural Members ..... 162

11.1 General 162
11.2 Materials 166
11.3 Frame Beams 167
11.4 Frame Columns and Columns Supporting Structural Transfer Member 170
11.5 Column of Hinged Bent 179
11.6 Joints of Frame 181
11.7 Shear Walls and Coupling Beams 186
11.8 Prestressed Concrete Structural Members 198
11.9 Slab-Column Joints 200
Appendix A Nominal Diameter, Sectional Areas and Theoretical Weight of Steel Reinforcement 202
Appendix B Approximate Coefficient Method for Second Order Effect of Sway Structure 204
Appendix C Constitutive Relations for Steel Reinforcement and Concrete and the Rule of Multi-axial Strength for Concrete 207
Appendix D Design of Plain Concrete Structural Members 221
Appendix E Calculation for Flexural and Axial Capacity of Circular, Annular and Arbitrary Cross Sections 226
Appendix F Design Value of Equivalent Concentrated Reaction Used for Calculation of Slab-Column Joints 232
Appendix G Deep Flexural Members 237
Appendix H Composite Beam and Slab Without Shores 244
Appendix J Loss of Prestress of Curved Post-tensioned

Tendons Due to Anchorage Seating and
Tendon Shortening 251
Appendix K Time-dependent Loss of Prestress 257
Explanation of Wording in This Code 260
List of Quoted Standards 261
Addition: Explanation of Provisions 263

Contents