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ANSI/AISC N690-24 Specification for Safety-Related Steel Structures for Nuclear Facilities, 2024
- ANSI/AISC N690-24: Specification for Safety-Related Steel Structures for Nuclear Facilities
- Copyright
- Preface
- Table of Contents
- Symbols
- Glossary
- Abbreviations
- Chapter NA. General Provisions [Go to Page]
- NA1. Scope
- NA2. Referenced Specifications, Codes, and Standards
- NA3. Material [Go to Page]
- 1. Structural Steel Materials [Go to Page]
- 1a. Listed Materials
- 1c. Unidentified Steel
- 1d. Rolled Heavy Shapes
- 1e. Built-Up Heavy Shapes
- 3. Bolts, Washers, and Nuts
- 5. Consumables for Welding
- 6. Headed Stud Anchors
- 7. Material Certification
- NA4. Structural Design Documents and Specifications [Go to Page]
- 1. Structural Design Documents and Specifications Issued for Construction
- NA6. Quality Assurance
- Chapter NB. Design Requirements [Go to Page]
- NB2. Loads and Load Combinations [Go to Page]
- 1. Normal Loads
- 2. Severe Environmental Loads
- 3. Extreme Environmental Loads
- 4. Abnormal Loads
- 5. Load and Resistance Factor Design (Lrfd) [Go to Page]
- 5a. Normal Load Combinations
- 5b. Severe Environmental Load Combinations
- 5c. Extreme Environmental and Abnormal Load Combinations
- 5d. Other Considerations
- 6. Allowable Strength Design (Asd) [Go to Page]
- 6a. Normal Load Combinations
- 6b. Severe Environmental Load Combinations
- 6c. Extreme Environmental and Abnormal Load Combinations
- 6d. Other Considerations
- NB3. Design Basis [Go to Page]
- 2. Design for Strength Using Allowable Strength Design (Asd)
- 3. Required Strength
- 8. Design for Serviceability
- 14. Analysis, Design, and Detailing for Impulsive and Impactive Loads
- NB5. Fabrication and Erection
- NB6. Quality Control and Quality Assurance
- NB7. Evaluation of Existing Structures
- Chapter NC. Design for Stability
- Chapter ND. Design of Members for Tension
- Chapter NE. Design of Members for Compression
- Chapter NF. Design of Members for Flexure
- Chapter NG. Design of Members for Shear
- Chapter NH. Design of Members for Combined Forces and Torsion
- Chapter NI. Design of Composite Members
- Chapter NJ. Design of Connections [Go to Page]
- NJ1. General Provisions [Go to Page]
- 9. Welded Alterations To Structures With Existing Rivets Or Bolts
- 10. High-Strength Bolts In Combination With Existing Rivets
- NJ2. Welds and Welded Joints [Go to Page]
- 6. Filler Metal Requirements
- NJ3. Bolts, Threaded Parts, and Bolted Connections [Go to Page]
- 2. High-Strength Bolts
- 11. Bearing and Tearout Strength At Bolt Holes
- 14. Connections for Members Subject To Impactive Or Impulsive Loads
- Chapter NK. Additional Requirements for HSS and Box-Section Connections
- Chapter NL. Design for Serviceability [Go to Page]
- NL1. General Provisions
- Chapter NM. Fabrication and Erection [Go to Page]
- NM1. Fabrication and Erection Documents
- NM2. Fabrication [Go to Page]
- 1. Cambering, Curving, and Straightening
- 2. Thermal Cutting
- 3. Planing of Edges
- 4. Welded Construction
- 7. Dimensional Tolerances
- 9. Holes for Anchor Rods
- 12. Surface Condition
- 13. Bending
- 14. Commercial Grade Dedication
- 15. Identification of Steel
- NM3. Shop Painting [Go to Page]
- 4. Finished Surfaces
- NM4. Erection [Go to Page]
- 2. Stability and Connections
- 7. Tolerances for Cranes [Go to Page]
- 7a. Tolerances for Crane Column Base Lines
- 7b. Tolerances for Crane Runway Girders
- 7c. Tolerances for Crane Rails
- Chapter NN. Quality Control and Quality Assurance [Go to Page]
- NN1. General Provisions
- NN2. Fabricator and Erector Quality Assurance Program
- NN3. Fabricator and Erector Documents [Go to Page]
- 1. Submittals for Steel Construction
- 2. Available Documents for Steel Construction
- NN4. Inspection and Nondestructive Evaluation Personnel [Go to Page]
- 1. Quality Control Inspector Qualifications
- 2. Quality Assurance Inspector Qualifications
- 3. NDE Personnel Qualifications
- NN5. Minimum Requirements for Inspection of Structural Steel Buildings and Structures [Go to Page]
- 1. Quality Control
- 2. Quality Assurance
- 3. Coordinated Inspection
- 4. Inspection of Welding
- 5. Nondestructive Examination of Welded Joints [Go to Page]
- 5a. Procedures
- 5b. CJP and PJP Groove Weld NDE
- 5c. Welded Joints Subjected To Fatigue
- 5d. Increase In Rate of Groove Weld NDE
- 5e. Documentation
- 6. Inspection of High-Strength Bolting
- 7. Inspection of Galvanized Structural Steel Main Members
- 8. Other Inspection Tasks
- NN6. Minimum Requirements for Inspection of Composite Construction
- NN7. Nonconforming Material and Workmanship
- Appendix N1. Design by Advanced Analysis [Go to Page]
- N1.3. Design by Inelastic Analysis [Go to Page]
- 1. General Requirements
- Appendix N2. Design of Filled Composite Members (High Strength)
- Appendix N3. Fatigue
- Appendix N4. Structural Design for Fire Conditions [Go to Page]
- N4.1. General Provisions
- N4.2. Structural Design for Fire Conditions by Analysis [Go to Page]
- 3a. Thermal Elongation
- Appendix N5. Evaluation of Existing Structures [Go to Page]
- N5.1. General Provisions
- N5.2. Material Properties [Go to Page]
- 1. Determination of Required Tests
- 2. Tensile Properties
- 3. Chemical Composition
- 4. Base Metal Notch Toughness
- 5. Weld Metal
- 6. Bolts
- N5.3. Evaluation by Structural Analysis [Go to Page]
- 1. Dimensional Data
- 2. Strength Evaluation
- 3. Serviceability Evaluation
- N5.4. Evaluation by Load Tests [Go to Page]
- 1. Determination of Live Load Rating by Testing
- 2. Serviceability Evaluation
- N5.5. Evaluation Report
- Appendix N6. Member Stability Bracing
- Appendix N7. Alternative Methods of Design for Stability
- Appendix N8. Approximate Analysis
- Appendix N9. Steel-Plate Composite (SC) Structural Elements [Go to Page]
- N9.1. Design Requirements [Go to Page]
- 1. General Provisions
- 2. Design Basis [Go to Page]
- 2a. Required Strength
- 2b. Design for Stability
- 3. Faceplate Slenderness Requirement
- 4. Requirements for Composite Action [Go to Page]
- 4a. Classification of Shear Connectors
- 4b. Spacing of Shear Connectors
- 5. Tie Requirements [Go to Page]
- 5a. Classification of Ties
- 5b. Tie Spacing
- 6. Design and Detailing Requirements for Impactive and Impulsive Loads
- 7. Design and Detailing Requirements for Openings [Go to Page]
- 7a. Design and Detailing Requirements for Small Openings
- 7b. Design and Detailing Requirements for Large Openings
- 7c. Design and Detailing Requirements for A Bank of Small Openings
- N9.2. Analysis Requirements [Go to Page]
- 1. General Provisions
- 2. Effective Stiffness for Analysis
- 3. Geometric and Material Properties for Finite Element Analysis
- 4. Analyses Involving Normal Operating and Accident Thermal Conditions [Go to Page]
- 4a. Requirements for Normal Operating Thermal Conditions
- 4b. Requirements for Accident Thermal Conditions
- 5. Determination of Required Strengths
- N9.3. Design of SC Structural Elements [Go to Page]
- 1. Uniaxial Tensile Strength
- 2. Compressive Strength
- 3. Out-of-Plane Flexural Strength
- 4. In-Plane Shear Strength
- 5. Out-of-Plane Shear Strength
- 6. Interaction Criteria for SC Structural Elements Subjected To Concurrent In-Plane and Out-of-Plane Forces [Go to Page]
- 6a. Interfacial Shear and Out-of-Plane Shear Forces
- 6b. In-Plane Membrane Forces and Out-of-Plane Moments
- 7. Strength of Composite Members In Combination With Sc Structural Elements
- N9.4. Design of SC Structural Element Connections [Go to Page]
- 1. General Provisions [Go to Page]
- 1b. Available Strength [Go to Page]
- 1a. Required Strength
- 2. Lap Splicing of Reinforcing Bars With Faceplates
- Appendix N10. Special Provisions for Impactive and Impulsive Loads [Go to Page]
- N10.1. General Provisions [Go to Page]
- 1. Additional Material Requirements
- 2. Dynamic Strength Increase
- 3. Load Effects and Load Combinations
- N10.2. Analysis, Design, and Detailing of Structural Steel, Composite Members, and Steel Plate [Go to Page]
- 1. Compactness Requirements
- 2. Load Response Evaluation
- 3. Special Design and Detailing Requirements for Ductility
- 4. Analysis Requirements for Verification of Structural Element Ductility
- N10.3. Analysis, Design, and Detailing of Sc Structural Elements [Go to Page]
- 1. Compactness Requirements
- 2. Local Response Evaluation
- 3. Special Analysis, Design, and Detailing Requirements
- 4. Analysis Requirements for Verification of Structural Element Ductility
- Commentary [Go to Page]
- Commentary Symbols
- Chapter NA. General Provisions [Go to Page]
- NA1. Scope
- NA3. Material [Go to Page]
- 1. Structural Steel Materials [Go to Page]
- 1a. Listed Materials
- 1d. Rolled Heavy Shapes
- 1e. Built-Up Heavy Shapes
- 5. Consumables for Welding
- NA4. Structural Design Documents and Specifications
- NA6. Quality Assurance
- Chapter NB. Design Requirements [Go to Page]
- NB2. Loads and Load Combinations [Go to Page]
- 1. Normal Loads
- 2. Severe Environmental Loads
- 4. Abnormal Loads
- 5. Load and Resistance Factor Design (Lrfd)
- 6. Allowable Strength Design (Asd)
- NB3. Design Basis [Go to Page]
- 1. Design for Strength Using Load and Resistance Factor Design (Lrfd)
- 2. Design for Strength Using Allowable Strength Design (Asd)
- 3. Required Strength
- 8. Design for Serviceability
- 14. Analysis, Design, and Detailing for Impulsive and Impactive Loads
- Chapter NC. Design for Stability
- Chapter NI. Design of Composite Members
- Chapter NJ. Design of Connections [Go to Page]
- NJ2. Welds and Welded Joints [Go to Page]
- 6. Filler Metal Requirements
- NJ3. Bolts, Threaded Parts, and Bolted Connections [Go to Page]
- 14. Connections for Members Subject To Impactive Or Impulsive Loads
- Chapter NL. Design for Serviceability [Go to Page]
- NL1. General Provisions
- Chapter NM. Fabrication and Erection [Go to Page]
- NM2. Fabrication [Go to Page]
- 4. Welded Construction
- 7. Dimensional Tolerances
- NM3. Shop Painting
- NM4. Erection [Go to Page]
- 2. Stability and Connections
- 7. Tolerances for Cranes
- Chapter NN. Quality Control and Quality Assurance [Go to Page]
- NN5. Minimum Requirements for Inspection of Structural Steel Buildings and Structures [Go to Page]
- 5. Nondestructive Examination of Welded Joints [Go to Page]
- 5b. CJP and PJP Groove Weld Nde
- 5e. Documentation
- NN6. Minimum Requirements for Inspection of Composite Construction
- NN7. Noncomforming Material and Workmanship
- Appendix N1. Design by Advanced Analysis [Go to Page]
- N1.3. Design by Inelastic Analysis [Go to Page]
- 1. General Requirements
- Appendix N4. Structural Design for Fire Conditions [Go to Page]
- N4.1. General Provisions
- Appendix N5. Evaluation of Existing Structures [Go to Page]
- N5.1. General Provisions
- N5.2. Material Properties [Go to Page]
- 2. Tensile Properties
- 6. Bolts
- Appendix N9. Steel-Plate Composite (SC) Structural Elements [Go to Page]
- N9.1. Design Requirements [Go to Page]
- 1. General Provisions
- 2. Design Basis [Go to Page]
- 2a. Required Strength
- 2b. Design for Stability
- 3. Faceplate Slenderness Requirement
- 4. Requirements for Composite Action [Go to Page]
- 4a. Classification of Shear Connectors
- 4b. Spacing of Shear Connectors
- 5. Tie Requirements [Go to Page]
- 5a. Classification of Ties
- 5b. Tie Spacing
- 6. Design and Detailing Requirements for Impactive and Impulsive Loads
- 7. Design and Detailing Requirements for Openings [Go to Page]
- 7a. Design and Detailing Requirements for Small Openings
- 7b. Design and Detailing Requirements for Large Openings
- 7c. Design and Detailing Requirements for Bank of Small Openings
- N9.2. Analysis Requirements [Go to Page]
- 1. General Provisions
- 2. Effective Stiffness for Analysis
- 3. Geometric and Material Properties for Finite Element Analysis
- 4. Analyses Involving Normal Operating and Accident Thermal Conditions
- 5. Determination of Required Strengths
- N9.3. Design of SC Structural Elements [Go to Page]
- 1. Uniaxial Tensile Strength
- 2. Compressive Strength
- 3. Out-of-Plane Flexural Strength
- 4. In-Plane Shear Strength
- 5. Out-of-Plane Shear Strength
- 6. Interaction Criteria for Sc Structural Elements Subjected To Concurrent In-Plane and Out-of-Plane Forces [Go to Page]
- 6a. Interfacial Shear and Out-of-Plane Shear Forces
- 6b. In-Plane Membrane Forces and Out-of-Plane Moments
- N9.4. Design of SC Structural Element Connections [Go to Page]
- 1. General Provisions [Go to Page]
- 1a. Required Strength
- 1b. Available Strength
- 2. Lap Splicing of Reinforcing Bars With Faceplates
- Appendix N10. Special Provisions for Impactive and Impulsive Loads [Go to Page]
- N10.1. General Provisions
- N10.2. Analysis, Design, and Detailing of Structural Steel, Composite Members, and Steel Plate
- N10.3. Analysis, Design, and Detailing of SC Structural Elements [Go to Page]
- 2. Local Response Evaluation
- 3. Special Design and Detailing Requirements
- 4. Analysis Requirements for Verification of Structural Element Ductility
- References [Go to Page]