Table of Contents
CHAPTER 1—GENERAL, p. 5
1.1—Scope, p. 5
1.2—General, p. 5
1.3—Purpose, p. 6
1.4—Applicability, p. 6
1.5—Interpretation, p. 7
1.6—Authority having jurisdiction, p. 7
1.7—Licensed design professional, p. 7
1.8—Construction documents and design records, p. 7
1.10—Approval of special systems of design, construction, or alternative construction materials, p. 8
CHAPTER 2—NOTATION AND TERMINOLOGY, p. 9
2.1—Scope, p. 9
2.2—Notation, p. 9
2.3—Terminology, p. 22
CHAPTER 3—REFERENCED STANDARDS, p. 37
3.1—Scope, p. 37
3.2—Referenced standards, p. 37
CHAPTER 4—STRUCTURAL SYSTEM REQUIREMENTS, p. 40
4.1—Scope, p. 40
4.2—Materials, p. 40
4.3—Design loads, p. 40
4.4—Structural system and load paths, p. 40
4.5—Structural analysis, p. 42
4.6—Strength, p. 42
4.7—Serviceability, p. 43
4.8—Durability, p. 43
4.9—Sustainability, p. 43
4.10—Structural integrity, p. 43
4.11—Fire resistance, p. 43
4.12—Requirements for specific types of construction, p. 43
4.13—Construction and inspection, p. 44
4.14—Strength evaluation of existing structures, p. 44
Chapter 5—LOADS, p. 45
5.1—Scope, p. 45
5.2—General, p. 45
5.3—Load factors and combinations, p. 47
Chapter 6—STRUCTURAL ANALYSIS, p. 52
6.1—Scope, p. 52
6.2—General, p. 52
6.3—Modeling assumptions, p. 52
6.4—Arrangement of live load, p. 52
6.5—Simplified method of analysis for nonprestressed continuous beams and one-way slabs, p. 52
6.6—First-order analysis, p. 52
6.7—Elastic second-order analysis, p. 52
6.8—Intentionally left blank, p. 53
6.9—Acceptability of finite element analysis, p. 53
CHAPTER 7—ONE-WAY SLABS, p. 54
7.1—Scope, p. 54
7.2—General, p. 54
7.3—Design limits, p. 54
7.4—Required strength, p. 54
7.5—Design strength, p. 54
7.6—Reinforcement limits, p. 55
7.7—Reinforcement detailing, p. 55
CHAPTER 8—TWO-WAY SLABS, p. 56
8.1—Scope, p. 56
8.2—General, p. 56
8.3—Design limits, p. 56
8.4—Required strength, p. 58
8.5—Design strength, p. 58
8.6—Reinforcement limits, p. 58
8.7—Reinforcement detailing, p. 59
8.8—Nonprestressed two-way joist systems, p. 59
8.9—Lift-slab construction, p. 59
8.10—Direct design method, p. 59
8.11—Equivalent frame method, p. 59
CHAPTER 9—BEAMS, p. 60
9.1—Scope, p. 60
9.2—General, p. 60
9.3—Design limits, p. 60
9.4—Required strength, p. 60
9.5—Design strength, p. 60
9.6—Reinforcement limits, p. 61
9.7—Reinforcement detailing, p. 61
9.8—Nonprestressed one-way joist systems, p. 61
9.9—Deep beams, p. 61
CHAPTER 10—COLUMNS, p. 62
10.1—Scope, p. 62
10.2—General, p. 62
10.3—Design limits, p. 62
10.4—Required strength, p. 62
10.5—Design strength, p. 62
10.6—Reinforcement limits, p. 63
10.7—Reinforcement detailing, p. 63
CHAPTER 11—WALLS, p. 64
11.1—Scope, p. 64
11.2—General, p. 64
11.3—Design limits, p. 64
11.4—Required strength, p. 64
11.5—Design strength, p. 64
11.6—Reinforcement limits, p. 65
11.7—Reinforcement detailing, p. 65
11.8—Alternative method for out-of-plane slender wall analysis, p. 65
CHAPTER 12—DIAPHRAGMS, p. 66
12.1—Scope, p. 66
12.2—General, p. 66
12.3—Design limits, p. 67
12.4—Required strength, p. 67
12.5—Design strength, p. 68
12.6—Reinforcement limits, p. 70
12.7—Reinforcement detailing, p. 70
CHAPTER 13—FOUNDATIONS, p. 72
13.1—Scope, p. 72
13.2—General, p. 72
13.3—Shallow foundations, p. 73
13.4—Deep foundations, p. 73
CHAPTER 14—INTENTIONALLY LEFT BLANK, p. 75
CHAPTER 15—BEAM-COLUMN AND SLAB-COLUMN JOINTS, p. 76
15.1—Scope, p. 76
15.2—General, p. 76
15.3—Transfer of column axial force through the floor system, p. 76
15.4—Detailing of joints, p. 76
CHAPTER 16—CONNECTIONS BETWEEN MEMBERS, p. 77
16.1—Scope, p. 77
16.2—Connections of precast members, p. 77
16.3—Connections to foundations, p. 77
16.4—Horizontal shear transfer in composite concrete flexural members, p. 77
16.5—Brackets and corbels, p. 77
CHAPTER 17—ANCHORING TO CONCRETE, p. 79
17.1—Scope, p. 79
17.2—General, p. 86
17.3—Design limits, p. 90
17.4—Required strength, p. 91
17.5—General requirements for strength of anchors, p. 91
17.7—Design requirements for shear loading, p. 110
17.8—Tension and shear interaction, p. 119
17.9—Required edge distances, spacings, and thicknesses to preclude splitting failure, p. 120
17.10—Attachments with shear lugs, p. 122
CHAPTER 18—PROVISIONS FOR EARTHQUAKE-RESISTANT DESIGN, p. 129
18.1—Scope, p. 129
18.2—General, p. 129
18.3—Intentionally left blank, p. 132
18.4—Intentionally left blank, p. 132
18.5—Intentionally left blank, p. 132
18.6—Beams, p. 133
18.7—Columns, p. 139
18.8—Joints of moment frame, p. 144
18.9—Intentionally left blank, p. 148
18.10—Structural walls, p. 148
18.11—Intentionally left blank, p. 159
18.12—Diaphragms, p. 159
18.13—Foundations, p. 164
18.14—Intentionally left blank, p. 166
CHAPTER 19—CONCRETE DESIGN AND DURABILITY, p. 167
19.1—Scope, p. 167
19.2—Concrete design properties, p. 167
19.3—Concrete durability requirements, p. 168
19.4—Grout durability requirements, p. 170
CHAPTER 20—STEEL REINFORCEMENT PROPERTIES, DURABILITY, AND EMBEDMENTS, p. 171
20.1—Scope, p. 171
20.2—Nonprestressed bars and wires, p. 171
20.3—Prestressing strands, wires, and bars, p. 174
20.4—Structural steel, pipe, and tubing for composite columns, p. 174
20.5—Headed shear stud reinforcement, p. 174
20.6—Provisions for durability of steel reinforcement, p. 174
20.7—Embedments, p. 175
CHAPTER 21—STRENGTH REDUCTION FACTORS, p. 176
21.1—Scope, p. 176
21.2—Strength reduction factors for structural concrete members and connections, p. 176
CHAPTER 22—SECTIONAL STRENGTH, p. 178
22.1—Scope, p. 178
22.2—Design assumptions for moment and axial strength, p. 178
22.3—Flexural strength, p. 178
22.4—Axial strength or combined flexural and axial strength, p. 178
22.5—One-way shear strength, p. 178
22.6—Two-way shear strength, p. 178
22.7—Torsional strength, p. 179
22.8—Bearing, p. 179
22.9—Shear-friction, p. 180
CHAPTER 23—STRUT-AND-TIE MODELS, p. 181
23.1—Scope, p. 181
23.2—General, p. 181
23.3—Design strength, p. 181
23.4—Strength of struts, p. 181
23.5—Reinforcement crossing bottle-shaped struts, p. 181
23.6—Strut reinforcement detailing, p. 181
23.7—Strength of ties, p. 181
23.8—Tie reinforcement detailing, p. 181
23.9—Strength of nodal zones, p. 181
CHAPTER 24—SERVICEABILITY REQUIREMENTS, p. 182
24.1—Scope, p. 182
24.2—Control of deflections, p. 182
24.3—Distribution of flexural reinforcement in one-way slabs and beams, p. 184
24.4—Minimum reinforcement, p. 185
24.5—Permissible stresses in prestressed concrete flexural members, p. 186
24.6—Walls, p. 186
CHAPTER 25—REINFORCEMENT DETAILS, p. 187
25.1—Scope, p. 187
25.2—Minimum spacing of reinforcement, p. 187
25.3—Standard hooks, seismic hooks, crossties, and minimum inside bend diameters, p. 187
25.4—Development of reinforcement, p. 187
25.5—Splices, p. 199
25.6—Bundled reinforcement, p. 201
25.7—Transverse reinforcement, p. 201
25.8—Post-tensioning anchorages and couplers, p. 201
25.9—Anchorage zones for post-tensioned tendons, p. 201
CHAPTER 26—CONSTRUCTION DOCUMENTS AND INSPECTION, p. 204
26.1—Scope, p. 204
26.2—Design criteria, p. 205
26.3—Member information, p. 205
26.4—Concrete materials and mixture requirements, p. 205
26.5—Concrete production and construction, p. 208
26.6—Reinforcement materials and construction requirements, p. 210
26.7—Anchoring to concrete, p. 211
26.8—Embedments, p. 212
26.9—Additional requirements for precast concrete, p. 213
26.10—Additional requirements for prestressed concrete, p. 214
26.11—Formwork, p. 214
26.12—Concrete evaluation and acceptance, p. 214
26.13—Inspection, p. 215
CHAPTER 27—STRENGTH AND EVALUATION OF EXISTING STRUCTURES, p. 218
27.1—Scope, p. 218
27.2—General, p. 218
27.3—Analytical strength evaluation, p. 218
27.4—Strength evaluation by load test, p. 219
27.5—Reduced load rating, p. 221
APPENDIX A—SHELLS, p. 222
A.1—Scope and definitions, p. 222
A.2—General, p. 222
A.3—Design strength of materials, p. 223
A.4—Section design and reinforcement requirements, p. 224
A.5—Construction, p. 224
APPENDIX B—INTENTIONALLY LEFT BLANK, p. 225
APPENDIX C—ALTERNATIVE LOAD AND STRENGTH-REDUCTION FACTORS, p. 226
C.1—Scope, p. 226
C.2—Required strength, p. 226
C.3—Design strength, p. 228
APPENDIX D—INTENTIONALLY LEFT BLANK, p. 231
APPENDIX E—THERMAL CONSIDERATIONS, p. 232
E.1—Scope, p. 232
E.2—General design requirements, p. 233
E.3—Concrete temperatures, p. 234
APPENDIX F—SPECIAL PROVISIONS FOR IMPULSIVE AND IMPACTIVE EFFECTS, p. 237
F.1—Scope, p. 237
F.2—Dynamic strength increase, p. 238
F.3—Deformation, p. 240
F.4—Requirements to assure ductility, p. 245
F.5—Shear strength, p. 247
F.6—Impulsive effects, p. 249
F.7—Impactive effects, p. 252
F.8—Impactive and impulsive loads, p. 262
F.9—Splices, p. 263
Authored documents, p. 267
Summary of Changes in the Code, p. 272