Table of Contents
PREFACE, p. 5
CHAPTER 1—GENERAL, p. 7
1.1—Scope of ACI CODE-440.11-22 7
1.2—General 7
1.3—Purpose 8
1.4—Applicability 8
1.5—Interpretation 9
1.6—Building official 10
1.7—Licensed design professional 10
1.8—Construction documents and design records 11
1.9—Testing and inspection 11
1.10—Approval of special systems of design, construction, or alternative construction materials 11
CHAPTER 2—NOTATION AND TERMINOLOGY, p. 13
2.1—Scope 13
2.2—Notation 13
2.3—Terminology 20
CHAPTER 3—REFERENCED STANDARDS, p. 30
3.1—Referenced standards 30
CHAPTER 4—STRUCTURAL SYSTEM REQUIREMENTS, p. 32
4.1—Scope 32
4.2—Materials 32
4.3—Design loads 32
4.4—Structural system and load paths 32
4.5—Structural analysis 34
4.6—Strength 34
4.7—Serviceability 35
4.8—Durability 35
4.9—Sustainability 36
4.10—Structural integrity 36
4.11—Fire resistance and elevated service temperature 36
4.12—Requirements for specific types of construction 40
4.13—Construction and inspection 41
4.14—Strength evaluation of existing structures 41
CHAPTER 5—LOADS, p. 42
5.1—Scope 42
5.2—General 42
5.3—Load factors and combinations 42
CHAPTER 6—STRUCTURAL ANALYSIS, p. 47
6.1—Scope 47
6.2—General 47
6.3—Modeling assumptions 50
6.4—Arrangement of live load 52
6.5—Simplified method of analysis for continuous beams and one-way slabs 53
6.6—First-order analysis 54
6.7—Linear elastic second-order analysis 60
6.8—Inelastic analysis—Out of scope 61
6.9—Acceptability of finite element analysis 61
6.8—Inelastic analysis 61
CHAPTER 7—ONE-WAY SLABS, p. 63
7.1—Scope 63
7.2—General 63
7.3—Design limits 63
7.4—Required strength 64
7.5—Design strength 64
7.6—GFRP reinforcement limits 65
7.7—GFRP reinforcement detailing 66
CHAPTER 8—TWO-WAY SLABS, p. 69
8.1—Scope 69
8.2—General 69
8.3—Design limits 71
8.4—Required strength 72
8.5—Design strength 76
8.6—GFRP reinforcement limits 77
8.7—GFRP reinforcement detailing 78
8.8—Nonprestressed two-way joist systems—Out of scope 82
8.9—Lift-slab construction—Out of scope 82
CHAPTER 9—BEAMS, p. 83
9.1—Scope 83
9.2—General 83
9.3—Design limits 84
9.4—Required strength 85
9.5—Design strength 87
9.6—GFRP reinforcement limits 88
9.7—GFRP reinforcement detailing 91
9.8—One-way joist systems 100
9.9—Deep beams—Out of scope 101
CHAPTER 10—COLUMNS, p. 102
10.1—Scope 102
10.2—General 102
10.3—Design limits 102
10.4—Required strength 103
10.5—Design strength 104
10.6—GFRP reinforcement limits 105
10.7—GFRP reinforcement detailing 105
CHAPTER 11—WALLS, p. 110
11.1—Scope 110
11.2—General 110
11.3—Design limits 111
11.4—Required strength 111
11.5—Design strength 112
11.6—GFRP reinforcement limits 114
11.7—GFRP reinforcement detailing 115
11.8—Alternative method for out-of-plane slender wall analysis—Out of scope 116
CHAPTER 12—DIAPHRAGMS—NOT ADDRESSED, p. 117
CHAPTER 13—FOUNDATIONS, p. 118
13.1—Scope 118
13.2—General 120
13.3—Shallow foundations 123
13.4—Deep foundations 125
CHAPTER 14—PLAIN CONCRETE—NOT APPLICABLE, p. 127
CHAPTER 15—BEAM-COLUMN AND SLAB-COLUMN JOINTS, p. 128
15.1—Scope 128
15.2—General 128
15.3—Transfer of column axial force through the floor system 128
15.4—Detailing of joints 129
CHAPTER 16—CONNECTIONS BETWEEN MEMBERS, p. 131
16.1—Scope 131
16.2—Connections of precast members—Out of scope 131
16.3—Connections to foundations 131
16.4—Horizontal shear transfer in composite concrete flexural members 133
16.5—Brackets and corbels—Out of scope 134
CHAPTER 17—ANCHORING TO CONCRETE—NOT ADDRESSED, p. 135
CHAPTER 18—EARTHQUAKE-RESISTANT STRUCTURES—NOT ADDRESSED, p. 136
CHAPTER 19—CONCRETE: DESIGN AND DURABILITY REQUIREMENTS, p. 137
19.1—Scope 137
19.2—Concrete design properties 137
19.3—Concrete durability requirements 138
19.4—Grout durability requirements—Out of scope 146
CHAPTER 20—GFRP REINFORCEMENT PROPERTIES, DURABILITY, AND EMBEDMENTS, p. 147
20.1—Scope 147
20.2—GFRP bars 147
20.3—Prestressing strands, wires, and bars—Out of scope 149
20.4—Headed shear stud reinforcement—Out of scope 149
20.5—Provisions for durability of GFRP reinforcement 149
20.6—Embedments 151
CHAPTER 21—STRENGTH REDUCTION FACTORS, p. 153
21.1—Scope 153
21.2—Strength reduction factors for structural concrete members and connections 153
CHAPTER 22—SECTIONAL STRENGTH, p. 155
22.1—Scope 155
22.2—Design assumptions for moment and axial strength 155
22.3—Flexural strength 157
22.4—Axial strength or combined flexural and axial strength 160
22.5—One-way shear strength 161
22.6—Two-way shear strength 168
22.7—Torsional strength 171
22.8—Bearing 178
22.9—Shear friction—Out of scope 180
CHAPTER 23—STRUT-AND-TIE METHOD—NOT ADDRESSED, p. 181
CHAPTER 24—SERVICEABILITY REQUIREMENTS, p. 182
24.1—Scope 182
24.2—Deflections due to service-level gravity loads 182
24.3—Distribution of GFRP flexural reinforcement in one-way slabs and beams 187
24.4—GFRP shrinkage and temperature reinforcement 189
24.5—Permissible stresses in prestressed concrete flexural members—Out of scope 190
24.6—Permissible tensile stresses in GFRP reinforcement 190
CHAPTER 25—GFRP REINFORCEMENT DETAILS, p. 192
25.1—Scope 192
25.2—Minimum spacing of GFRP reinforcement 192
25.3—Standard hooks, crossties, and minimum inside bend diameters 192
25.4—Development of GFRP reinforcement 193
25.5—Splices 196
25.6—Bundled reinforcement—Out of scope 198
25.7—GFRP transverse reinforcement 198
25.8—Post-tensioning anchorages and couplers—Out of scope 205
25.9—Anchorage zones for post-tensioned tendons—Out of scope 205
CHAPTER 26—CONSTRUCTION DOCUMENTS AND INSPECTION, p. 206
26.1—Scope 206
26.2—Design criteria 207
26.3—Member information 208
26.4—Concrete materials and mixture requirements 208
26.5—Concrete production and construction 216
26.6—GFRP reinforcement materials and construction requirements 221
26.7—Anchoring to concrete—Out of scope 223
26.8—Embedments 223
26.9—Additional requirements for precast concrete 224
26.10—Additional requirements for prestressed concrete—Out of scope 225
26.11—Formwork 225
26.12—Evaluation and acceptance of hardended concrete 227
26.13—Inspection 232
CHAPTER 27—STRENGTH EVALUATION OF EXISTING CONCRETE STRUCTURES, p. 235
27.1—Scope 235
27.2—General 235
27.3—Analytical strength evaluation 236
27.4—Strength evaluation by load test 237
27.5—Monotonic load test procedure 238
APPENDIX—EQUIVALENCE BETWEEN SI-METRIC, MSK-METRIC, AND U.S. CUSTOMARY UNITS OF NONHOMOGENOUS EQUATIONS IN THE CODE, p. 241
COMMENTARY REFERENCES, p. 244
Authored documents 245