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ACI CODE-349-23: Nuclear Safety-Related Concrete Structures - Code Requirements and Commentary, 2023
- TITLE PAGE
- CONTENTS
- CHAPTER 1—GENERAL [Go to Page]
- 1.1—Scope
- 1.2—General
- 1.3—Purpose
- 1.4—Applicability
- 1.5—Interpretation
- 1.6—Authority having jurisdiction
- 1.7—Licensed design professional
- 1.8—Construction documents and design records
- 1.10—Approval of special systems of design, construction, or alternative construction materials
- CHAPTER 2—NOTATION AND TERMINOLOGY [Go to Page]
- 2.1—Scope
- 2.2—Notation
- 2.3—Terminology
- CHAPTER 3—REFERENCED STANDARDS [Go to Page]
- 3.1—Scope
- 3.2—Referenced standards
- CHAPTER 4—STRUCTURAL SYSTEM REQUIREMENTS [Go to Page]
- 4.1—Scope
- 4.2—Materials
- 4.3—Design loads
- 4.4—Structural system and load paths
- 4.5—Structural analysis
- 4.6—Strength
- 4.7—Serviceability
- 4.8—Durability
- 4.9—Sustainability
- 4.10—Structural integrity
- 4.11—Fire resistance
- 4.12—Requirements for specific types of construction
- 4.13—Construction and inspection
- 4.14—Strength evaluation of existing structures
- CHAPTER 5—LOADS [Go to Page]
- 5.1—Scope
- 5.2—General
- 5.3—Load factors and combinations
- CHAPTER 6—STRUCTURAL ANALYSIS [Go to Page]
- 6.1—Scope
- 6.2—General
- 6.3—Modeling assumptions
- 6.4—Arrangement of live load
- 6.5—Simplified method of analysis for nonprestressed continuous beams and one-way slabs
- 6.6—First-order analysis
- 6.7—Elastic second-order analysis
- 6.8—Intentionally left blank
- 6.9—Acceptability of finite element analysis
- CHAPTER 7—ONE-WAY SLABS [Go to Page]
- 7.1—Scope
- 7.2—General
- 7.3—Design limits
- 7.4—Required strength
- 7.5—Design strength
- 7.6—Reinforcement limits
- 7.7—Reinforcement detailing
- CHAPTER 8—TWO-WAY SLABS [Go to Page]
- 8.1—Scope
- 8.2—General
- 8.3—Design limits
- 8.4—Required strength
- 8.5—Design strength
- 8.6—Reinforcement limits
- 8.7—Reinforcement detailing
- 8.8—Nonprestressed two-way joist systems
- 8.9—Lift-slab construction
- 8.10—Direct design method
- 8.11—Equivalent frame method
- CHAPTER 9—BEAMS [Go to Page]
- 9.1—Scope
- 9.2—General
- 9.3—Design limits
- 9.4—Required strength
- 9.5—Design strength
- 9.6—Reinforcement limits
- 9.7—Reinforcement detailing
- 9.8—Nonprestressed one-way joist systems
- 9.9—Deep beams
- CHAPTER 10—COLUMNS [Go to Page]
- 10.1—Scope
- 10.2—General
- 10.3—Design limits
- 10.4—Required strength
- 10.5—Design strength
- 10.6—Reinforcement limits
- 10.7—Reinforcement detailing
- CHAPTER 11—WALLS [Go to Page]
- 11.1—Scope
- 11.2—General
- 11.3—Design limits
- 11.4—Required strength
- 11.5—Design strength
- 11.6—Reinforcement limits
- 11.7—Reinforcement detailing
- 11.8—Alternative method for out-of-plane slender wall analysis
- CHAPTER 12—DIAPHRAGMS [Go to Page]
- 12.1—Scope
- 12.2—General
- 12.3—Design limits
- 12.4—Required strength
- 12.5—Design strength
- 12.6—Reinforcement limits
- 12.7—Reinforcement detailing
- CHAPTER 13—FOUNDATIONS [Go to Page]
- 13.1—Scope
- 13.2—General
- 13.3—Shallow foundations
- 13.4—Deep foundations
- CHAPTER 14—INTENTIONALLY LEFT BLANK
- CHAPTER 15—BEAM-COLUMN AND SLAB-COLUMN JOINTS [Go to Page]
- 15.1—Scope
- 15.2—General
- 15.3—Transfer of column axial force through the floor system
- 15.4—Detailing of joints
- CHAPTER 16—CONNECTIONS BETWEEN MEMBERS [Go to Page]
- 16.1—Scope
- 16.2—Connections of precast members
- 16.3—Connections to foundations
- 16.4—Horizontal shear transfer in composite concrete flexural members
- 16.5—Brackets and corbels
- CHAPTER 17—ANCHORING TO CONCRETE [Go to Page]
- 17.1—Scope
- 17.2—General
- 17.3—Design limits
- 17.4—Required strength
- 17.5—General requirements for strength of anchors
- 17.7—Design requirements for shear loading
- 17.8—Tension and shear interaction
- 17.9—Required edge distances, spacings, and thicknesses to preclude splitting failure
- 17.10—Attachments with shear lugs
- CHAPTER 18—PROVISIONS FOR EARTHQUAKE-RESISTANT DESIGN [Go to Page]
- 18.1—Scope
- 18.2—General
- 18.3—Intentionally left blank
- 18.4—Intentionally left blank
- 18.5—Intentionally left blank
- 18.6—Beams
- 18.7—Columns
- 18.8—Joints of moment frame
- 18.9—Intentionally left blank
- 18.10—Structural walls
- 18.11—Intentionally left blank
- 18.12—Diaphragms
- 18.13—Foundations
- 18.14—Intentionally left blank
- CHAPTER 19—CONCRETE DESIGN AND DURABILITY [Go to Page]
- 19.1—Scope
- 19.2—Concrete design properties
- 19.3—Concrete durability requirements
- 19.4—Grout durability requirements
- CHAPTER 20—STEEL REINFORCEMENT PROPERTIES, DURABILITY, AND EMBEDMENTS [Go to Page]
- 20.1—Scope
- 20.2—Nonprestressed bars and wires
- 20.3—Prestressing strands, wires, and bars
- 20.4—Structural steel, pipe, and tubing for composite columns
- 20.5—Headed shear stud reinforcement
- 20.7—Embedments
- CHAPTER 21—STRENGTH REDUCTION FACTORS [Go to Page]
- 21.1—Scope
- 21.2—Strength reduction factors for structural concrete members and connections
- CHAPTER 22—SECTIONAL STRENGTH [Go to Page]
- 22.1—Scope
- 22.2—Design assumptions for moment and axial strength
- 22.3—Flexural strength
- 22.4—Axial strength or combined flexural and axial strength
- 22.5—One-way shear strength
- 22.6—Two-way shear strength
- 22.7—Torsional strength
- 22.8—Bearing
- 22.9—Shear-friction
- CHAPTER 23—STRUT-AND-TIE MODELS [Go to Page]
- 23.1—Scope
- 23.2—General
- 23.3—Design strength
- 23.4—Strength of struts
- 23.5—Reinforcement crossing bottle-shaped struts
- 23.6—Strut reinforcement detailing
- 23.7—Strength of ties
- 23.8—Tie reinforcement detailing
- 23.9—Strength of nodal zones
- CHAPTER 24—SERVICEABILITY REQUIREMENTS [Go to Page]
- 24.1—Scope
- 24.2—Control of deflections
- 24.3—Distribution of flexural reinforcement in one-way slabs and beams
- 24.4—Minimum reinforcement
- 24.5—Permissible stresses in prestressed concrete flexural members
- 24.6—Walls
- CHAPTER 25—REINFORCEMENT DETAILS [Go to Page]
- 25.1—Scope
- 25.2—Minimum spacing of reinforcement
- 25.3—Standard hooks, seismic hooks, crossties, and minimum inside bend diameters
- 25.4—Development of reinforcement
- 25.5—Splices
- 25.6—Bundled reinforcement
- 25.7—Transverse reinforcement
- 25.8—Post-tensioning anchorages and couplers
- 25.9—Anchorage zones for post-tensioned tendons
- CHAPTER 26—CONSTRUCTION DOCUMENTS AND INSPECTION [Go to Page]
- 26.1—Scope
- 26.2—Design criteria
- 26.3—Member information
- 26.4—Concrete materials and mixture requirements
- 26.5—Concrete production and construction
- 26.6—Reinforcement materials and construction requirements
- 26.7—Anchoring to concrete
- 26.8—Embedments
- 26.9—Additional requirements for precast concrete
- 26.10—Additional requirements for prestressed concrete
- 26.11—Formwork
- 26.12—Concrete evaluation and acceptance
- 26.13—Inspection
- CHAPTER 27—STRENGTH AND EVALUATION OF EXISTING STRUCTURES [Go to Page]
- 27.1—Scope
- 27.2—General
- 27.3—Analytical strength evaluation
- 27.4—Strength evaluation by load test
- 27.5—Reduced load rating
- APPENDIX A—SHELLS [Go to Page]
- A.1—Scope and definitions
- A.2—General
- A.3—Design strength of materials
- A.4—Section design and reinforcement requirements
- A.5—Construction
- APPENDIX B—INTENTIONALLY LEFT BLANK
- APPENDIX C—ALTERNATIVE LOAD AND STRENGTH-REDUCTION FACTORS [Go to Page]
- C.1—Scope
- C.2—Required strength
- C.3—Design strength
- APPENDIX D—INTENTIONALLY LEFT BLANK
- APPENDIX E—THERMAL CONSIDERATIONS [Go to Page]
- E.1—Scope
- E.2—General design requirements
- E.3—Concrete temperatures
- APPENDIX F—SPECIAL PROVISIONS FOR IMPULSIVE AND IMPACTIVE EFFECTS [Go to Page]
- F.1—Scope
- F.2—Dynamic strength increase
- F.3—Deformation
- F.4—Requirements to assure ductility
- F.5—Shear strength
- F.6—Impulsive effects
- F.7—Impactive effects
- F.8—Impactive and impulsive loads
- F.9—Splices
- Authored documents
- Summary of Changes in the Code [Go to Page]