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ASCE/SEI 43-19 Seismic Design Criteria for Structures, Systems, and Components in Nuclear Facilities, 2019
- ASCE STANDARDS
- DEDICATIONS
- CONTENTS
- PREFACE
- ACKNOWLEDGMENTS
- Chapter 1: Introduction [Go to Page]
- 1.1 ACRONYMS AND ABBREVIATIONS
- 1.2 DEFINITIONS
- 1.3 SEISMIC DESIGN CRITERIA
- 1.4 INTEGRATION OF OTHER CODES AND STANDARDS WITH ASCE 43
- 1.5 ALTERNATIVE METHODS TO MEET THE INTENT OF THIS STANDARD
- Chapter 2: Earthquake Ground Motion [Go to Page]
- 2.1 SEISMIC HAZARD EVALUATION
- 2.2 DEVELOPMENT OF DESIGN BASIS EARTHQUAKE GROUND MOTIONS
- 2.3 METHOD TO DEFINE DESIGN RESPONSE SPECTRA AT VARIOUS DEPTHS IN THE SITE PROFILE
- 2.4 CRITERIA FOR DEVELOPING SYNTHETIC OR MODIFIED RECORDED ACCELERATION TIME SERIES
- Chapter 3: Evaluation of Seismic Demand [Go to Page]
- 3.1 INTRODUCTION
- 3.2 SEISMIC DEMAND DEVELOPMENT
- 3.3 Modeling and Input Parameters [Go to Page]
- 3.3.1 Effective Stiffness of Reinforced Concrete and Steel-Plate Composite Wall Members.
- 3.3.2 Effective Seismic Weight:
- 3.3.3 Damping Values for Structures, Systems, and Components.
- Chapter 4: Structural Capacity [Go to Page]
- 4.1 STRUCTURAL SYSTEMS
- 4.2 COMPONENT CAPACITIES [Go to Page]
- 4.2.1 General.
- 4.2.2 Reinforced Concrete. [Go to Page]
- 4.2.2.1 Shear Strength of Reinforced Concrete Members.
- 4.2.2.2 Combined In-Plane and Out-of-Plane Shear in Slabs, Diaphragms, and Walls.
- 4.2.3 Structural Steel.
- 4.2.4 Steel-Plate Composite.
- 4.2.5 Reinforced Masonry.
- Chapter 5: Load Combinations and Acceptance Criteria for Structures [Go to Page]
- 5.1 Load Combinations [Go to Page]
- 5.1.1 General
- 5.1.2 Seismic Load Combinations [Go to Page]
- 5.1.2.1 Seismic Load Combinations for Strength-Based Acceptance Criteria
- 5.1.2.2 Seismic Load Combinations for Deformation-Based Acceptance Criteria
- 5.1.3 Inelastic Energy Absorption Factor [Go to Page]
- 5.1.3.1 Component Inelastic Energy Absorption Factor
- 5.1.3.2 Weak or Soft Story Inelastic Energy Absorption Factor
- 5.1.3.3 High-Frequency Inelastic Energy Absorption Factor
- 5.1.3.4 Adjustments to the Inelastic Energy Absorption Factor for Ratcheting
- 5.2 Acceptance Criteria [Go to Page]
- 5.2.1 General
- 5.2.2 Strength-Based Acceptance Criteria
- 5.2.3 Deformation-Based Acceptance Criteria [Go to Page]
- 5.2.3.1 Allowable Drift Limits for Structural Systems
- 5.2.3.2 Allowable Rotation Limits for Structural Members
- Chapter 6: Ductile Detailing Requirements [Go to Page]
- 6.1 Steel Structures [Go to Page]
- 6.1.1 Moment Frames
- 6.1.2 Braced Frames
- 6.1.3 Steel-Plate Composite Shear Walls
- 6.1.4 Collectors
- 6.1.5 Nearly Rigid Platforms and Supports
- 6.2 Reinforced Concrete [Go to Page]
- 6.2.1 General
- 6.2.2 Slab-Wall Moment Frame Systems
- 6.2.3 Requirements for Members Not Proportioned to Resist Forces Induced by Earthquake Motions
- 6.2.4 Collectors
- 6.2.5 Joints in Floor Slabs
- 6.3 Anchorage
- Chapter 7: Special Considerations [Go to Page]
- 7.1 Rocking and Sliding of Unanchored Bodies
- 7.2 Building Sliding and Overturning [Go to Page]
- 7.2.1 Building Sliding
- 7.2.2 Building Overturning
- 7.3 Seismic Separation
- 7.4 Seismic Design Considerations for Foundation Elements [Go to Page]
- 7.4.1 Linear Analyses
- 7.4.2 Nonlinear Analyses
- 7.4.3 Special Provisions for Foundation Components
- 7.4.4 Liquefaction Potential and Soil Strength Loss
- 7.5 Unreinforced masonry walls used for partitions, barriers, or radiation shielding
- 7.6 Provisions for Construction Effects
- Chapter 8: Seismic Qualification of Equipment and Distribution Systems [Go to Page]
- 8.1 Introduction
- 8.2 Qualification by Analysis [Go to Page]
- 8.2.1 Seismic Analysis Methods [Go to Page]
- 8.2.1.1 Equivalent Static Analysis
- 8.2.1.2 Dynamic Analysis
- 8.2.2 Demand for Qualification by Analysis [Go to Page]
- 8.2.2.1 Damping
- 8.2.2.2 Inelastic Energy Absorption Factor
- 8.2.2.3 Allowable Limit States for Active Mechanical Components and Pressure-Retaining Equipment
- 8.2.2.4 Total Demand for Qualification by Analysis
- 8.2.3 Capacity Using Qualification by Analysis [Go to Page]
- 8.2.3.1 Capacity Defined by Industry Standards
- 8.2.3.2 Acceptance Criteria for Capacity
- 8.2.4 Acceptance Criteria and Documentation for Qualification by Analysis
- 8.3 Qualification by Testing and Experience Data [Go to Page]
- 8.3.1 Tests and Experience Methods [Go to Page]
- 8.3.1.1 Testing
- 8.3.1.2 Test Experience Data
- 8.3.1.3 Earthquake Experience Data
- 8.3.2 Demand for Qualification by Testing and Experience Data [Go to Page]
- 8.3.2.1 Demand for Qualification by Testing
- 8.3.2.2 Demand for Qualification by Test Experience Data and Earthquake Experience Data
- 8.3.3 Capacity Defined for Seismic Qualification by Testing and Experience Data
- 8.3.4 Acceptance Criteria and Documentation for Qualification by Tests and Experience Data
- Chapter 9: Seismically Isolated Structures [Go to Page]
- 9.1 Introduction
- 9.2 General Requirements [Go to Page]
- 9.2.1 Isolation System [Go to Page]
- 9.2.1.1 General
- 9.2.1.2 Vertical and Horizontal Load Resistance
- 9.2.1.3 Minimum Lateral Restoring Force
- 9.2.1.4 Wind Loads
- 9.2.1.5 Operating Conditions
- 9.2.1.6 Inspection and Replacement
- 9.2.2 Isolators [Go to Page]
- 9.2.2.1 Mechanical Properties
- 9.2.2.2 Quality Assurance
- 9.2.3 Basemat and Foundation Designs
- 9.3 Displacements and Forces for Design [Go to Page]
- 9.3.1 General
- 9.3.2 Seismic Isolators
- 9.3.3 Stop
- 9.3.4 Structures, Systems, and Components Above the Isolation Interface
- 9.3.5 Structures Below the Isolation Interface
- 9.3.6 Systems and Components Crossing the Isolation Interface
- 9.4 Peer Review
- 9.5 Testing of Prototype and Production Isolators [Go to Page]
- 9.5.1 General
- 9.5.2 Prototype Testing [Go to Page]
- 9.5.2.1 Test Specimens
- 9.5.2.2 Record
- 9.5.2.3 Sequence and Cycles
- 9.5.2.4 Test Specimen Adequacy
- 9.5.3 Production Testing [Go to Page]
- 9.5.3.1 Test Specimens
- 9.5.3.2 Record
- 9.5.3.3 Sequence and Cycles
- 9.5.3.4 Test Specimen Adequacy
- Chapter 10: Quality Assurance Provisions [Go to Page]
- 10.1 Design Verification and Independent Peer Review [Go to Page]
- 10.1.1 Seismic Design Verification
- 10.1.2 Independent Seismic Peer Review
- 10.2 Structural Observation, Inspection, and Testing [Go to Page]
- 10.2.1 Structural Observations
- 10.2.2 Continuous and Periodic Inspections
- 10.2.3 Testing
- 10.3 Quality Assurance Program [Go to Page]
- 10.3.1 Design Basis Documents
- 10.3.2 Design Procedures
- 10.4 Software Quality Assurance
- Appendix A: Alternate Method to Meet ASCE 43 Performance Goals When Seismic Capabilities are Defined at the 50% Probability of Failure Level [Go to Page]
- A1. Introduction
- A2. Specification of the Design Response Spectrum
- A3. Specification of Minimum Factor of Safety to be Applied to Median Probability of Failure Capability
- Appendix B: Alternate Method to Meet ASCE 43 Performance Goals When Seismic Capabilities are Defined at the 10% Probability of Failure Level [Go to Page]
- B1. Introduction
- B2. Specification of the Design Response Spectrum
- B3. Specification of Minimum Factor of Safety to be Applied to 10% Probability of Failure Capability
- REFERENCES
- Chapter C1: Introduction [Go to Page]
- C1.3 Seismic Design Criteria
- C1.4 Integration of Other Codes and Standards With ASCE 43
- C1.5 Alternative Methods to Meet the Intent of this Standard [Go to Page]
- Factors of Safety Achieved by Seismic Acceptance Criteria
- Introduction
- Estimation of Median Conservatism Introduced by Standard Seismic Acceptance Criteria
- Median Strength Conservatism Ratio
- Median Demand Conservatism Ratio
- Median Nonlinear Conservatism Ratio
- Capacity Conservatism
- Chapter C2: Earthquake Ground Motion [Go to Page]
- C2.1 Seismic Hazard Evaluation
- C2.2 Development of Design Basis Earthquake Ground Motions
- C2.3 Method to Define Design Response Spectra at Various Depths in the Site Profile
- C2.4 Criteria for Developing Synthetic or Modified Recorded Acceleration Time Series
- Chapter C3: Evaluation of Seismic Demand [Go to Page]
- C3.2 Seismic Demand Development
- C3.3 Modeling and Input Parameters [Go to Page]
- C3.3.1 Effective Stiffness of Reinforced Concrete and Steel-Plate Composite Wall Members
- C3.3.3 Damping Values for Structures, Systems, and Components
- Chapter C4: Structural Capacity [Go to Page]
- C4.1 Structural Systems
- C4.2 Component Capacities [Go to Page]
- C4.2.1 General
- C4.2.2 Reinforced Concrete [Go to Page]
- C4.2.2.1 Shear Strength of Reinforced Concrete Members
- C4.2.3 Structural Steel
- C4.2.4 Steel-Plate Composite
- C4.2.5 Reinforced Masonry
- Chapter C5: Load Combinations and Acceptance Criteria for Structures [Go to Page]
- C5.1 Load Combinations [Go to Page]
- C5.1.1 General
- C5.1.2 Seismic Load Combinations [Go to Page]
- C5.1.2.1 Seismic Load Combinations for Strength-Based Acceptance Criteria
- C5.1.2.2 Seismic Load Combinations for Deformation-Based Acceptance Criteria
- C5.1.3 Inelastic Energy Absorption Factor [Go to Page]
- C5.1.3.1 Component Inelastic Energy Absorption Factor
- C5.1.3.2 Weak or Soft Story Inelastic Energy Absorption Factor
- C5.1.3.3 High-Frequency Inelastic Energy Absorption Factor
- C5.1.3.4 Adjustments to the Inelastic Energy Absorption Factor for Ratcheting
- C5.2 Acceptance Criteria [Go to Page]
- C5.2.3 Deformation-Based Acceptance Criteria [Go to Page]
- C5.2.3.1 Allowable Drift Limits for Structural Systems
- Chapter C6: Ductile Detailing Requirements [Go to Page]
- C6.1 Steel Structures [Go to Page]
- C6.1.4 Collectors
- C6.1.5 Nearly Rigid Platforms and Supports
- C6.2 Reinforced Concrete [Go to Page]
- C6.2.1 General
- C6.2.2 Slab-Wall Moment Frame Systems
- C6.2.3 Requirements for Members Not Proportioned to Resist Forces Induced by Earthquake Motions
- C6.2.4 Collectors
- C6.2.5 Joints in Floor Slabs
- C6.3 Anchorage
- Chapter C7: Special Considerations [Go to Page]
- C7.1 Rocking and Sliding of Unanchored Bodies
- C7.2 Building Sliding and Overturning
- C7.3 Seismic Separation
- C7.5 Unreinforced masonry walls used for partitions, barriers, or radiation shielding
- C7.6 Provisions For Construction Effects
- Chapter C8: Seismic Qualification of Equipment and Distribution Systems [Go to Page]
- C8.2 Qualification by Analysis
- C8.3 Qualification by Testing and Experience Data [Go to Page]
- C8.3.2 Demand for Qualification by Testing and Experience Data [Go to Page]
- C8.3.2.1 Demand for Qualification by Testing
- C8.3.2.2 Demand for Qualification by Test Experience Data and Earthquake Experience Data
- Chapter C9: Seismically Isolated Structures [Go to Page]
- C9.1 Introduction
- C9.2 General Requirements [Go to Page]
- C9.2.1 Isolation System [Go to Page]
- C9.2.1.2 Vertical and Horizontal Load Resistance
- C9.2.1.3 Minimum Lateral Restoring Force
- C9.2.1.4 Wind Loads
- C9.2.1.5 Operating Conditions
- C9.2.1.6 Inspection and Replacement
- C9.2.2 Isolators [Go to Page]
- C9.2.2.1 Mechanical Properties
- C9.2.2.2 Quality Assurance
- C9.2.3 Basemat and Foundation Designs
- C9.3 Displacements and Forces for Design [Go to Page]
- C9.3.1 General
- C9.3.2 Seismic Isolators
- C9.3.3 Stop
- C9.3.4 Structures, Systems, and Components Above the Isolation Interface
- C9.3.5 Structures Below the Isolation Interface
- C9.3.6 Systems and Components Crossing the Isolation Interface
- C9.4 Peer Review
- C9.5 Testing of Prototype and Production Isolators [Go to Page]
- C9.5.1 General
- C9.5.2 Prototype Testing [Go to Page]
- C9.5.2.1 Test Specimens
- C9.5.2.2 Record
- C9.5.2.3 Sequence and Cycles
- C9.5.2.4 Test Specimen Adequacy
- C9.5.3 Production Testing [Go to Page]
- C9.5.3.1 Test Specimens
- C9.5.3.2 Record
- C9.5.3.3 Sequence and Cycles
- C9.5.3.4 Test Specimen Adequacy
- Chapter C10: Quality Assurance Provisions [Go to Page]
- C10.1 Design Verification and Independent Peer Review
- C10.2 Structural Observation, Inspection, and Testing
- C10.3 Quality Assurance Program
- C10.4 Software Quality Assurance
- COMMENTARY to Appendix A: Alternate Method to Meet Asce 43 Performance Goals When Seismic Capabilities are Defined at the 50% Probability of Failure Level [Go to Page]
- CA3. Specification of Minimum Factor of Safety to be Applied to Median Probability of Failure Capability
- COMMENTARY to Appendix B: Alternate Method to Meet ASCE 43 Performance Goals When Seismic Capabilities are Defined at the 10% Probability of Failure Level [Go to Page]
- CB3. Specification of Minimum Factor of Safety to be Applied to 10% Probability of Failure Capability
- INDEX [Go to Page]