Already a subscriber? 
MADCAD.com Free Trial
Sign up for a 3 day free trial to explore the MADCAD.com interface, PLUS access the
2009 International Building Code to see how it all works.
If you like to setup a quick demo, let us know at support@madcad.com
or +1 800.798.9296 and we will be happy to schedule a webinar for you.
Security check
Please login to your personal account to use this feature.
Please login to your authorized staff account to use this feature.
Are you sure you want to empty the cart?
ACI CODE-350-20: Code Requirements for Environmental Engineering Concrete Structures (ACI 350-20) and Commentary (ACI 350R-20) - SI, 2020
- TITLE PAGE
- PREFACE
- INTRODUCTION
- GENERAL COMMENTARY
- Chapter 1—General
requirements [Go to Page]
- 1.1—Scope
- 1.2—Contract documents
- 1.3—Inspection
- 1.4—Approval of special systems of design or construction
- 2.2—Definitions
- 2.1—Code notation
- Chapter 3—materials [Go to Page]
- 3.1—Tests of materials
- 3.2—Cementitious materials
- 3.3—Aggregates
- 3.4—Water
- 3.5—Steel reinforcement
- 3.6—Joint accessories
- 3.7—Fibers
- 3.8—Admixtures
- 3.9—Storage of materials
- 3.10—Referenced standards
- Chapter 4—durability requirements [Go to Page]
- 4.1—General
- 4.2—Exposure categories and classes
- 4.3—Requirements for concrete mixtures
- 4.4—Additional requirements for freezing-and-thawing exposures
- 4.5—Additional requirements for sulfate exposures
- 4.6—Additional requirements for alkali-aggregate reactions
- 4.7—Additional requirements for corrosion protection of reinforcement and other metal embedments
- 4.8—Additional requirements for protection against chemical attack
- 4.9—Additional requirements for protection against erosion
- 4.10—Protection systems
- 4.11—Tightness testing of structures
- 4.12—Joints
- Chapter 5—concrete quality, mixing, and placing [Go to Page]
- 5.1—General
- 5.2—Selection of proportions
- 5.3—Proportioning concrete on the basis of field experience or trial mixtures, or both
- 5.4—Proportioning shotcrete on the basis of field experience or trial mixtures, or both
- 5.5—Average compressive strength reduction for concrete
- 5.6—Average compressive strength reduction for shotcrete
- 5.7—Evaluation and acceptance of concrete and shotcrete
- 5.8—Preparation of equipment and place of deposit
- 5.9—Mixing
- 5.10—Conveying concrete and wet-mix shotcrete
- 5.11—Depositing of concrete
- 5.12—Application of shotcrete
- 5.13—Curing
- 5.14—Cold weather requirements
- 5.15—Hot weather requirements
- Chapter 6—formwork and embedments [Go to Page]
- 6.1—Design of formwork
- 6.2—Removal of forms, shores, and reshoring
- 6.3—Embedments in concrete and shotcrete
- Chapter 7—joints [Go to Page]
- 7.1—Jointing
- 7.2—Construction joints
- 7.3—Crack-inducing joints
- 7.4—Movement joints
- 7.5—Joint accessories
- Chapter 8—analysis and design – general considerations [Go to Page]
- 8.1—Design methods
- 8.2—Loading
- 8.3—Methods of analysis
- 8.4—Redistribution of moments in continuous flexural members
- 8.5—Modulus of elasticity
- 8.6—Lightweight concrete
- 8.7—Stiffness
- 8.8—Effective stiffness to determine lateral deflections
- 8.9—Span length
- 8.10—Columns
- 8.11—Arrangement of live load
- 8.12—T-beam construction
- 8.13—Joist construction
- 8.14—Separate floor finish
- Chapter 9—strength and serviceability requirements [Go to Page]
- 9.1—General
- 9.2—Required strength
- 9.3—Design strength
- 9.4—Design strength for reinforcement
- 9.5—Control of deflections
- Chapter 10—flexure and axial loads [Go to Page]
- 10.1—Scope
- 10.2—Design assumptions
- 10.3—General principles and requirements
- 10.4—Distance between lateral supports of flexural members
- 10.5—Minimum reinforcement of flexural members
- 10.6—Distribution of flexural reinforcement
- 10.7—Deep beams
- 10.8—Design dimensions for compression members
- 10.9—Limits for reinforcement of compression members
- 10.10—Slenderness effects in compression members
- 10.11—Axially loaded members supporting slab system
- 10.12—Transmission of column loads through floor system
- 10.13—Composite compression members
- 10.14—Bearing strength
- Chapter 11—shear and torsion [Go to Page]
- 11.1—Shear strength
- 11.2—Shear strength provided by concrete for nonprestressed members
- 11.3—Shear strength provided by concrete for prestressed members
- 11.4—Shear strength provided by shear reinforcement
- 11.5—Design for torsion
- 11.6—Shear-friction
- 11.7—Deep beams
- 11.8—Provisions for brackets and corbels
- 11.9—Provisions for walls
- 11.10—Transfer of moments to columns
- 11.11—Provisions for slabs and footings
- CHAPTER 12—REINFORCEMENT—DETAILS, DEVELOPMENT, AND SPLICES [Go to Page]
- 12.1—Standard hooks
- 12.2—Minimum bend diameters
- 12.3—Bending
- 12.4—Surface conditions of reinforcement
- 12.5—Placing reinforcement
- 12.6—Spacing limits for reinforcement
- 12.7—Concrete protection for reinforcement
- 12.8—Development
- 12.9—Splices
- 12.10—Lateral reinforcement
- 12.11—Reinforcement details for columns
- 12.12—Connections
- 12.13—Shrinkage and temperature reinforcement
- 12.14—Requirements for structural integrity
- CHAPTER 13—earthquake-resistant StructureS [Go to Page]
- 13.1—General requirements
- 13.2—Ordinary moment frames
- 13.3—Intermediate moment frames
- 13.4—Intermediate precast structural walls
- 13.4—Intermediate precast structural walls
- 13.5—Flexural members of special moment frames
- 13.6—Special moment frame members subjected to bending and axial load
- 13.7—Joints of special moment frames
- 13.8—Special moment frames constructed using precast concrete
- 13.9—Special structural walls and coupling beams
- 13.10—Special structural walls constructed using precast concrete
- 13.11—Structural diaphragms and trusses
- 13.12—Foundations
- 13.13—Members not designated as part of the seismic-force-resisting system
- CHAPTER 14—TWO-WAY SLAB SYSTEMS [Go to Page]
- 14.1—Scope
- 14.2—General
- 14.3—Slab reinforcement
- 14.4—Openings in slab systems
- 14.5—Design procedures
- 14.6—Direct design method
- 14.7—Equivalent frame method
- CHAPTER 15—WALLS [Go to Page]
- 15.1—Scope
- 15.2—General
- 15.3—Walls prestressed circumferentially by wrapping with high-strength steel wire or strand
- 15.4—Minimum reinforcement
- 15.5—Walls designed as compression members
- 15.6—Empirical Design Method
- 15.7—Minimum wall thickness
- 15.8—Walls as grade beams
- CHAPTER 16—FOOTINGS [Go to Page]
- 16.1—Scope
- 16.2—Loads and reactions
- 16.3—Footings supporting circular or regular polygon-shaped columns or pedestals
- 16.4—Moment in footings
- 16.5—Shear in footings
- 16.6—Development of reinforcement in footings
- 16.7—Minimum footing depth
- 16.8—Transfer of force at base of column, wall, or reinforced pedestal
- 16.9—Sloped or stepped footings
- 16.10—Combined footings and mats
- CHAPTER 17—PRECAST CONCRETE [Go to Page]
- 17.1—Scope
- 17.2—General
- 17.3—Distribution of forces among members
- 17.4—Member design
- 17.5—Structural integrity
- 17.6—Connection and bearing design
- 17.7—Items embedded after concrete placement
- 17.8—Marking and identification
- 17.9—Handling
- 17.10—Strength evaluation of precast construction
- CHAPTER 18—COMPOSITE CONCRETE FLEXURAL MEMBERS [Go to Page]
- 18.1—Scope
- 18.2—General
- 18.3—Shoring
- 18.4—Vertical shear strength
- 18.5—Horizontal shear strength
- 18.6—Ties for horizontal shear
- CHAPTER 19—PRESTRESSED CONCRETE [Go to Page]
- 19.1—Scope
- 19.2—General
- 19.3—Design assumptions
- 19.4—Serviceability requirements—flexural members
- 19.5—Permissible stresses in prestressing steel
- 19.6—Loss of prestress
- 19.7—Flexural strength
- 19.8—Limits for reinforcement of flexural members
- 19.9—Minimum bonded reinforcement
- 19.10—Statically indeterminate structures
- 19.11—Compression members—combined flexure and axial loads
- 19.12—Slab systems
- 19.13—Post-tensioned tendon anchorage zones
- 19.14—Design of anchorage zones for monostrand or single 16 mm diameter bar tendons
- 19.15—Design of anchorage zones for multistrand tendons
- 19.16—Corrosion protection for unbonded single-strand prestressing tendons
- 19.17—Post-tensioning ducts
- 19.18—Grout for bonded tendons
- 19.19—Protection for prestressing steel
- 19.20—Application and measurement of prestressing force
- 19.21—Post-tensioning anchorages and couplers
- 19.22—External post-tensioning
- CHAPTER 20—SHELLS AND FOLDED PLATE MEMBERS [Go to Page]
- 20.1—Scope and definitions
- 20.2—Analysis and design
- 20.3—Design strength of materials
- 20.4—Shell reinforcement
- 20.5—Construction
- CHAPTER 21—LIQUID-CONTAINING GROUND-SUPPORTED SLABS [Go to Page]
- 21.1—Scope
- 21.2—Slab support
- 21.3—Slab thickness
- 21.4—Reinforcement
- 21.5—Joints
- 21.6—Hydrostatic uplift
- 21.7—Curing
- CHAPTER 22—STRENGTH EVALUATION AND CONDITION ASSESSMENT OF STRUCTURES [Go to Page]
- 22.1—General
- 22.2—Determination of required dimensions and material properties
- 22.3—Condition survey of structures
- 22.4—Field and laboratory testing
- 22.5—Tightness testing
- 22.6—Evaluation report
- 22.7—Load testing
- APPENDIX A—ALTERNATE DESIGN METHOD [Go to Page]
- A.1—Scope
- A.2—General
- A.3—Allowable stresses at service loads
- A.3.3—Distribution of flexural reinforcement
- A.4—Development and splices of reinforcement
- A.5—Flexure
- A.6—Compression members with or without flexure
- A.7—Shear and torsion
- A.7.4—Shear stress carried by concrete
- A.7.5—Shear stress carried by shear reinforcement
- A.7.6—Shear-friction
- A.7.7—Special provisions for slabs and footings
- A.7.8—Special provisions for other members
- A.7.9—Composite concrete flexural members
- APPENDIX B—STRUT-AND-TIE MODELS [Go to Page]
- B.1—Definitions
- B.2—Strut-and-tie model design procedure
- B.3—Strength of struts
- B.4—Strength of ties
- B.5—Strength of nodal zones
- APPENDIX C—ALTERNATIVE PROVISIONS FOR REINFORCED AND PRESTRESSED CONCRETE FLEXURAL AND COMPRESSION MEMBERS [Go to Page]
- C.1—Scope
- C.8.4—Redistribution of moments in continuous nonprestressed flexural members
- C.10.3—General principles and requirements
- C.19.1—Scope
- C.19.8—Limits for reinforcement of flexural members
- C.19.10—Statically indeterminate structures
- APPENDIX D—ALTERNATIVE LOAD FACTORS, STRENGTH REDUCTION FACTORS, AND DISTRIBUTION OF FLEXURAL REINFORCEMENT [Go to Page]
- D.1—General
- D.9.2—Required strength
- D.9.3—Design strength
- D.10.6—Distribution of flexural reinforcement in beams and one-way slabs
- APPENDIX E—ANCHORING TO CONCRETE [Go to Page]
- E.1—Definitions
- E.2—Scope
- E.3—General requirements
- E.4—General requirements for strength of anchors
- E.5—Design requirements for tensile loading
- E.5.4—Concrete side-face blowout strength of a headed anchor in tension
- E.6—Design requirements for shear loading
- E.7—Interaction of tensile and shear forces
- E.8—Required edge distances, spacings, and thicknesses to preclude splitting failure
- E.9—Installation and inspection of anchors
- COMMENTARY REFERENCES [Go to Page]
