Table of Contents
Part 1: General
Chapter 1: General
1.1—Scope of ACI CODE-318, p. 9
1.2—General, p. 9
1.3—Purpose, p. 10
1.4—Applicability, p. 10
1.5—Interpretation, p. 12
1.6—Building official, p. 13
1.7—Licensed design professional, p. 13
1.8—Construction documents and design records, p. 13
Chapter 2:Notation and Terminology
2.1—Scope, p. 15
2.2—Notation, p. 15
2.3—Terminology, p. 33
Chapter 3: Referenced Standards
3.1—Scope, p. 55
3.2—Referenced standards, p. 55
Chapter 4: Structural System Requirements
4.1—Scope, p. 59
4.2—Materials, p. 59
4.3—Design loads, p. 59
4.4—Structural system and load paths, p. 59
4.5—Structural analysis, p. 62
4.6—Strength, p. 62
4.7—Serviceability, p. 64
4.8—Durability, p. 64
4.9—Sustainability and resilience, p. 64
4.10—Structural integrity, p. 64
4.11—Fire resistance, p. 65
4.12—Requirements for specific types of construction, p. 65
4.13—Construction and inspection, p. 68
4.14—Strength evaluation of existing structures, p. 68
Part 2: Loads & Analysis
Chapter 5: Loads
5.1—Scope, p. 69
5.2—General, p. 69
5.3—Load factors and combinations, p. 69
Chapter 6: Structural Analysis
6.1—Scope, p. 75
6.2—General, p. 75
6.3—Modeling assumptions, p. 81
6.4—Arrangement of live load, p. 82
6.5—Simplified method of analysis for nonprestressed continuous beams and one-way slabs, p. 83
6.6—Linear elastic first-order analysis, p. 84
6.7—Linear elastic second-order analysis, p. 95
6.8—Inelastic analysis, p. 96
6.9—Acceptability of finite element analysis, p. 97
Part 3: Members
Chapter 7: One-Way Slabs
7.1—Scope, p. 99
7.2—General, p. 99
7.3—Design limits, p. 99
7.4—Required strength, p. 101
7.5—Design strength, p. 101
7.6—Reinforcement limits, p. 102
7.7—Reinforcement detailing, p. 105
Chapter 8: Two-Way Slabs
8.1—Scope, p. 111
8.2—General, p. 111
8.3—Design limits, p. 112
8.4—Required strength, p. 114
8.5—Design strength, p. 120
8.6—Reinforcement limits, p. 121
8.7—Reinforcement detailing, p. 124
8.8—Nonprestressed two-way joist systems, p. 138
8.9—Lift-slab construction, p. 139
Chapter 9: Beams
9.1—Scope, p. 141
9.2—General, p. 141
9.3—Design limits, p. 142
9.4—Required strength, p. 144
9.5—Design strength, p. 147
9.6—Reinforcement limits, p. 149
9.7—Reinforcement detailing, p. 152
9.8—Nonprestressed one-way joist systems, p. 163
9.9—Deep beams, p. 164
Chapter 10: Columns
10.1—Scope, p. 169
10.2—General, p. 169
10.3—Design limits, p. 169
10.4—Required strength, p. 170
10.5—Design strength, p. 171
10.6—Reinforcement limits, p. 171
10.7—Reinforcement detailing, p. 172
Chapter 11: Walls
11.1—Scope, p. 179
11.2—General, p. 179
11.3—Design limits, p. 180
11.4—Required strength, p. 180
11.5—Design strength, p. 182
11.6—Reinforcement limits, p. 184
11.7—Reinforcement detailing, p. 185
11.8—Alternative method for out-of-plane slender wall analysis, p. 186
Chapter 12: Diaphragms
12.1—Scope, p. 189
12.2—General, p. 190
12.3—Design limits, p. 192
12.4—Required strength, p. 192
12.5—Design strength, p. 195
12.6—Reinforcement limits, p. 202
12.7—Reinforcement detailing, p. 202
Chapter 13: Foundations
13.1—Scope, p. 205
13.2—General, p. 207
13.3—Shallow foundations, p. 211
13.4—Deep foundations, p. 214
Part 4: Joints/Connections/Anchors
Chapter 14: Plain Concrete
14.1—Scope, p. 221
14.2—General, p. 222
14.3—Design limits, p. 222
14.4—Required strength, p. 224
14.5—Design strength, p. 225
14.6—Reinforcement detailing, p. 227
Chapter 15: Cast-in-Place Joints
15.1—Scope, p. 229
15.2—General, p. 229
15.3—Design limits, p. 229
15.4—Required strength, p. 230
15.5—Design strength, p. 230
15.6—Reinforcement limits, p. 233
15.7—Reinforcement detailing, p. 233
15.8—Transfer of column axial force through the floor system, p. 234
Chapter 16: Connections Between Members
16.1—Scope, p. 235
16.2—Connections of precast members, p. 235
16.3—Connections to foundations, p. 240
16.4—Horizontal shear transfer in composite concrete flexural members, p. 243
16.5—Brackets and corbels, p. 246
Chapter 17: Anchoring to Concrete
17.1—Scope, p. 253
17.2—General, p. 254
17.3—Design Limits, p. 255
17.4—Required strength, p. 257
17.5—Design strength, p. 257
17.6—Tensile strength, p. 266
17.7—Shear strength, p. 282
17.8—Tension and shear interaction, p. 292
17.9—Edge distances, spacings, and thicknesses to preclude splitting failure, p. 293
17.10—Earthquake-resistant anchor design requirements, p. 295
17.11—Attachments with shear lugs, p. 300
Part 5: Earthquake Resistance
Chapter 18: Earthquake-Resistant Structures
18.1—Scope, p. 307
18.2—General, p. 308
18.3—Ordinary moment frames, p. 315
18.4—Intermediate moment frames, p. 316
18.5—Intermediate precast structural walls, p. 325
18.6—Beams of special moment frames, p. 325
18.7—Columns of special moment frames, p. 334
18.8—Joints of special moment frames, p. 340
18.9—Special moment frames constructed using precast concrete18.9.1, p. 344
18.10—Special structural walls, p. 346
18.11—Special structural walls constructed using precast concrete, p. 374
18.12—Diaphragms and trusses, p. 374
18.13—Foundations, p. 382
18.14—Members not designated as part of the seismic-force-resisting system, p. 390
Part 6: Materials & Durability
Chapter 19: Concrete: Design and Durability Requirements
19.1—Scope, p. 395
19.2—Concrete design properties, p. 395
19.3—Concrete durability requirements, p. 398
19.4—Grout durability requirements, p. 410
Chapter 20: Steel Reinforcement Properties, Durability, and Embedments
20.1—Scope, p. 409
20.2—Nonprestressed bars and wires, p. 409
20.3—Prestressing strands, wires, and bars, p. 415
20.4—Headed shear stud reinforcement, p. 419
20.6—Embedments, p. 427
Part 7: Strength & Serviceability
Chapter 21: Strength Reduction Factors
21.1—Scope, p. 429
21.2—Strength reduction factors for structural concrete members and connections, p. 429
Chapter 22: Sectional Strength
22.1—Scope, p. 437
22.2—Design assumptions for moment and axial strength, p. 437
22.3—Flexural strength, p. 439
22.4—Axial strength or combined flexural and axial strength, p. 440
22.5—One-way shear strength, p. 441
22.7—Torsional strength, p. 459
22.8—Bearing, p. 468
22.9—Shear friction, p. 470
Chapter 23: Strut-and-Tie Method
23.1—Scope, p. 477
23.2—General, p. 479
23.3—Design strength, p. 484
23.4—Strength of struts, p. 484
23.5—Minimum distributed reinforcement, p. 486
23.7—Strength of ties, p. 489
23.8—Tie reinforcement detailing, p. 490
23.9—Strength of nodal zones, p. 491
23.10—Curved-bar nodes, p. 492
23.11—Earthquake-resistant design using the strut-and-tie method, p. 494
Chapter 24: Serviceability
24.1—Scope, p. 497
24.2—Deflections due to service-level gravity loads, p. 497
24.3—Distribution of flexural reinforcement in one-way slabs and beams, p. 502
24.4—Shrinkage and temperature reinforcement, p. 504
24.5—Permissible stresses in prestressed concrete flexural members, p. 506
Part 8: Reinforcement
Chapter 25: Reinforcement Details
25.1—Scope, p. 509
25.2—Minimum spacing of reinforcement, p. 509
25.3—Standard hooks, seismic hooks, crossties, and minimum inside bend diameters, p. 511
25.5—Splices, p. 534
25.6—Bundled reinforcement, p. 542
25.7—Transverse reinforcement, p. 544
25.8—Post-tensioning anchorages and couplers, p. 556
25.9—Anchorage zones for post-tensioned tendons, p. 557
Part 9: Construction
Chapter 26: Construction Documents and Inspection
26.1—Scope, p. 567
26.2—Design criteria, p. 568
26.3—Member information, p. 568
26.4—Concrete materials, mixture requirements, and grouts, p. 568
26.5—Concrete production and construction, p. 578
26.6—Reinforcement materials and construction requirements, p. 587
26.7—Anchoring to concrete, p. 592
26.8—Embedments, p. 595
26.9—Additional requirements for precast concrete, p. 595
26.10—Additional requirements for post-tensioned concrete, p. 597
26.11—Formwork, p. 599
26.12—Evaluation and acceptance of hardened concrete, p. 601
26.13—Inspection, p. 607
Part 10: Evaluation
Chapter 27: Strength Evaluation of Existing Structures
27.1—Scope, p. 613
27.2—General, p. 613
27.3—Analytical strength evaluation, p. 614
27.4—Strength evaluation by load test, p. 615
Appendices & References
Appendix A: Design Verification Using Nonlinear Response History Analysis
A.1—Notation and terminology, p. 621
A.2—Scope, p. 621
A.3—General, p. 622
A.4—Earthquake ground motions, p. 622
A.5—Load factors and combinations, p. 623
A.6—Modeling and analysis, p. 623
A.7—Action classification and criticality, p. 624
A.8—Effective stiffness, p. 625
A.9—Expected material strength, p. 627
A.10—Acceptance criteria for deformation-controlled actions, p. 628
A.11—Expected strength for force-controlled actions, p. 629
A.12—Enhanced detailing requirements, p. 631
A.13—Independent structural design review, p. 632
Appendix B: Performance-based Wind Design
B.1—Notation and Terminology, p. 635
B.2—Scope, p. 636
B.3—General, p. 636
B.4—Wind loading, p. 638
B.5—Load factors and combinations, p. 639
B.6—Modeling and analysis, p. 640
B.7—Action classification and requirements, p. 642
B.8—Effective stiffness, p. 642
B.9—Expected material strength, p. 644
B.10—Required strength and acceptance criteria for continuous occupancy, limited interruption performance objective—general, p. 644
B.11—Required strength and acceptance criteria for continuous occupancy, limited interruption performance objective by Method 1, p. 645
B.12—Required strength and acceptance criteria for continuous occupancy, limited interruption performance objective by Methods 2 and 3, p. 647
B.13—Detailing requirements, p. 648
B.14—Independent structural design review, p. 652
Appendix C: Sustainability and Resilience
C.1—Terminology, p. 655
C.2—Scope, p. 656
C.3—Evaluation of Sustainability of Structural Concrete Systems, p. 656
C.4—Resilience, p. 658
C.5—Concrete Mixtures, p. 660
Appendix D: STEEL REINFORCEMENT INFORMATION, p. 663
Appendix E: Equivalence Between SI-Metric, MKS-Metric, and U.S. Customary Units of Nonhomogeneous Equations in the Code
Commentary References
INDEX