Minimum Design Loads and Associated Criteria for Buildings and Other Structures.

Minimum Design Loads and Associated Criteria for Buildings and Other Structures.

Standard ASCE/SEI 7-22 provides requirements for general structural design and includes means for determining various loads and their combinations, which are suitable for inclusion in building codes and other documents.

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Bibliographic Details
Superior document:Standards Ser. ; v.ASCE/SEI 7-22
:
(ASCE), American Society of Civil Engineers.
Place / Publishing House:Reston : : American Society of Civil Engineers,, 2021.
©2022.
Year of Publication:2021
Language:English
Series:Standards Ser.
Online Access:
Physical Description:1 online resource (1046 pages)
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Table of Contents:
  • Cover
  • Tips for Using This Standard
  • Tips for Using the ASCE 7 Hazard Tool
  • Brief Contents
  • Contents
  • Preface
  • Acknowledgments
  • Dedication
  • Chapter 1: General
  • 1.1 Scope
  • 1.2 Definitions and Symbols
  • 1.2.1 Definitions
  • 1.2.2 Symbols
  • 1.3 Basic Requirements
  • 1.3.1 Strength and Stiffness
  • 1.3.1.1 Strength Procedures
  • 1.3.1.2 Allowable Stress Procedures
  • 1.3.1.3 Performance-Based Procedures
  • 1.3.1.3.1 Analysis
  • 1.3.1.3.2 Project-Specific Performance Capability Testing
  • 1.3.1.3.3 Documentation
  • 1.3.1.3.4 Peer Review
  • 1.3.2 Serviceability
  • 1.3.3 Functionality
  • 1.3.4 Self-Straining Forces and Effects
  • 1.3.5 Analysis
  • 1.3.6 Counteracting Structural Actions
  • 1.3.7 Fire Resistance
  • 1.4 General Structural Integrity
  • 1.4.1 Load Path Connections
  • 1.4.2 Lateral Forces
  • 1.4.3 Connection to Supports
  • 1.4.4 Anchorage of Structural Walls
  • 1.4.5 Extraordinary Loads and Events
  • 1.5 Classification of Buildings and Other Structures
  • 1.5.1 Risk Categorization
  • 1.5.2 Multiple Risk Categories
  • 1.5.3 Toxic, Highly Toxic, and Explosive Substances
  • 1.6 In Situ Load Tests
  • 1.6.1 Load Test Procedure Specified Elsewhere
  • 1.6.2 Load Test Procedure Not Specified Elsewhere
  • 1.7 Consensus Standards and Other Referenced Documents
  • Chapter 2: Combinations of Loads
  • 2.1 General
  • 2.2 Symbols
  • 2.3 Load Combinations for Strength Design
  • 2.3.1 Basic Combinations
  • 2.3.2 Load Combinations Including Flood Load
  • 2.3.3 Load Combinations Including Atmospheric Ice and Wind-on-Ice Loads
  • 2.3.4 Load Combinations Including Self-Straining Forces and Effects
  • 2.3.5 Load Combinations for Nonspecified Loads
  • 2.3.6 Basic Combinations with Seismic Load Effects
  • 2.3.7 Alternative Method for Loads from Water in Soil
  • 2.4 Load Combinations for Allowable Stress Design
  • 2.4.1 Basic Combinations.
  • 2.4.2 Load Combinations Including Flood Load
  • 2.4.3 Load Combinations Including Atmospheric Ice and Wind-on-Ice Loads
  • 2.4.4 Load Combinations Including Self-Straining Forces and Effects
  • 2.4.5 Basic Combinations with Seismic Load Effects
  • 2.5 Load Combinations for Extraordinary Events
  • 2.5.1 Applicability
  • 2.5.2 Load Combinations
  • 2.5.2.1 Capacity
  • 2.5.2.2 Residual Capacity
  • 2.5.3 Stability Requirements
  • 2.6 Load Combinations for General Structural Integrity Loads
  • 2.6.1 Strength Design Notional Load Combinations
  • 2.6.2 Allowable Stress Design Notional Load Combinations
  • 2.7 Consensus Standards and Other Referenced Documents
  • Chapter 3: Dead Loads, Soil Loads, and Hydrostatic Pressure
  • 3.1 Dead Loads
  • 3.1.1 Definition
  • 3.1.2 Weights of Materials of Construction
  • 3.1.3 Weight of Fixed Service Equipment
  • 3.1.4 Vegetative and Landscaped Roofs
  • 3.1.5 Solar Panels
  • 3.2 Soil Loads and Hydrostatic Pressure
  • 3.2.1 Lateral Pressures
  • 3.2.2 Uplift Loads on Floors and Foundations
  • 3.3 Alternative Method for Loads from Water in Soil
  • 3.4 Consensus Standards and Other Referenced Documents
  • Chapter 4: Live Loads
  • 4.1 Definitions
  • 4.2 Loads Not Specified
  • 4.3 Uniformly Distributed Live Loads
  • 4.3.1 Required Live Loads
  • 4.3.2 Provision for Partitions
  • 4.3.3 Partial Loading
  • 4.3.3.1 Partial Loading of Roofs
  • 4.3.4 Interior Walls and Partitions
  • 4.4 Concentrated Live Loads
  • 4.5 Loads on Handrail, Guard, Grab Bar, and Vehicle Barrier Systems, and on Shower Seats and Fixed Ladders
  • 4.5.1 Handrail and Guard Systems
  • 4.5.1.1 Uniform Load
  • 4.5.1.2 Guard System Component Loads
  • 4.5.2 Grab Bar Systems and Shower Seats
  • 4.5.3 Vehicle Barrier Systems
  • 4.5.4 Fixed Ladders
  • 4.6 Impact Loads
  • 4.6.1 General
  • 4.6.2 Elevators
  • 4.6.3 Machinery.
  • 4.6.4 Elements Supporting Hoists for Façade Access and Building Maintenance Equipment
  • 4.6.5 Fall Arrest, Lifeline, and Rope Descent System Anchorages
  • 4.7 Reduction in Uniform Live Loads
  • 4.7.1 General
  • 4.7.2 Reduction in Uniform Live Loads
  • 4.7.3 Heavy Live Loads
  • 4.7.4 Passenger Vehicle Garages
  • 4.7.5 Assembly Area Loads
  • 4.7.6 Limitations on One-Way Slabs
  • 4.8 Reduction in Uniform Roof Live Loads
  • 4.8.1 General
  • 4.8.2 Ordinary Roofs, Awnings, and Canopies
  • 4.8.3 Occupiable Roofs
  • 4.9 Crane Loads
  • 4.9.1 General
  • 4.9.2 Maximum Wheel Load
  • 4.9.3 Vertical Impact Force
  • 4.9.3.1 Bridge Crane Service Class
  • 4.9.4 Lateral Force
  • 4.9.5 Longitudinal Force
  • 4.10 Garage and Vehicular Floor Loads
  • 4.10.1 Passenger Vehicle Garages
  • 4.10.2 Truck and Bus Garages
  • 4.10.3 Sidewalks, Vehicular Driveways, and Yards Subject to Trucking
  • 4.10.4 Emergency Vehicle Loads
  • 4.11 Helipad Loads
  • 4.11.1 General
  • 4.11.2 Concentrated Helicopter Loads
  • 4.12 Uninhabitable Attics
  • 4.12.1 Uninhabitable Attics without Storage
  • 4.12.2 Uninhabitable Attics with Storage
  • 4.13 Library Stack Rooms
  • 4.14 Seating for Assembly Uses
  • 4.15 Stair Treads
  • 4.16 Solar Panel Loads
  • 4.16.1 Roof Loads at Solar Panels
  • 4.16.2 Load Combination
  • 4.16.3 Open-Grid Roof Structures Supporting Solar Panels
  • 4.17 Consensus Standards and Other Referenced Documents
  • Chapter 5: Flood Loads
  • 5.1 General
  • 5.2 Definitions
  • 5.3 Design Requirements
  • 5.3.1 Design Loads
  • 5.3.2 Erosion and Scour
  • 5.3.3 Loads on Breakaway Walls
  • 5.4 Loads during Flooding
  • 5.4.1 Load Basis
  • 5.4.2 Hydrostatic Loads
  • 5.4.3 Hydrodynamic Loads
  • 5.4.4 Wave Loads
  • 5.4.4.1 Breaking Wave Loads on Vertical Pilings and Columns
  • 5.4.4.2 Breaking Wave Loads on Vertical Walls
  • 5.4.4.3 Breaking Wave Loads on Nonvertical Walls.
  • 5.4.4.4 Breaking Wave Loads from Obliquely Incident Waves
  • 5.4.5 Impact Loads
  • 5.5 Consensus Standards and Other Referenced Documents
  • Chapter 6: Tsunami Loads and Effects
  • 6.1 General Requirements
  • 6.1.1 Scope
  • 6.2 Definitions
  • 6.3 Symbols and Notation
  • 6.4 Tsunami Risk Categories
  • 6.5 Analysis of Design Inundation Depth and Flow Velocity
  • 6.5.1 Tsunami Risk Category II and III Buildings and Other Structures
  • 6.5.1.1. Runup Evaluation for Areas Where No Map Values Are Given
  • 6.5.2 Tsunami Risk Category IV Buildings and Other Structures
  • 6.5.3 Sea Level Change
  • 6.6 Inundation Depths and Flow Velocities Based on Runup
  • 6.6.1 Maximum Inundation Depth and Flow Velocities Based on Runup
  • 6.6.2 Energy Grade Line Analysis of Maximum Inundation Depths and Flow Velocities
  • 6.6.3 Terrain Roughness
  • 6.6.4 Tsunami Bores
  • 6.6.5 Amplified Flow Velocities
  • 6.7 Inundation Depths and Flow Velocities Based on Site-Specific Probabilistic Tsunami Hazard Analysis
  • 6.7.1 Tsunami Waveform
  • 6.7.2 Tsunamigenic Sources
  • 6.7.3 Earthquake Rupture Unit Source Tsunami Functions for Offshore Tsunami Amplitude
  • 6.7.4 Treatment of Modeling and Natural Uncertainties
  • 6.7.5 Offshore Tsunami Amplitude
  • 6.7.5.1 Offshore Tsunami Amplitude for Distant Seismic Sources
  • 6.7.5.2 Direct Computation of Probabilistic Inundation and Runup
  • 6.7.5.3 Use of Higher-Order Tsunami Model Features
  • 6.7.6 Procedures for Determining Tsunami Inundation and Runup
  • 6.7.6.1 Representative Design Inundation Parameters
  • 6.7.6.2 Seismic Subsidence before Tsunami Arrival
  • 6.7.6.3 Model Macroroughness Parameter
  • 6.7.6.4 Nonlinear Modeling of Inundation
  • 6.7.6.5 Model Spatial Resolution
  • 6.7.6.6 Built Environment
  • 6.7.6.7 Inundation Model Validation
  • 6.7.6.7.1 Historical or Paleotsunami Inundation Data.
  • 6.7.6.7.2 Model Validation by Benchmark Tests
  • 6.7.6.7.3 Tsunami Bore Formation or Soliton Fission
  • 6.7.6.8 Determining Site-Specific Inundation Flow Parameters
  • 6.7.6.9 Tsunami Design Parameters for Flow over Land
  • 6.8 Structural Design Procedures for Tsunami Effects
  • 6.8.1 Performance of Tsunami Risk Category II and III Buildings and Other Structures
  • 6.8.2 Performance of Tsunami Risk Category III Critical Facilities and Tsunami Risk Category IV Buildings and Other Structures
  • 6.8.3 Structural Performance Evaluation
  • 6.8.3.1 Load Cases
  • 6.8.3.2 Tsunami Importance Factors
  • 6.8.3.3 Load Combinations
  • 6.8.3.4 Lateral-Force-Resisting System Acceptance Criteria
  • 6.8.3.5 Structural Component Acceptance Criteria
  • 6.8.3.5.1 Acceptability Criteria by Component Design Strength
  • 6.8.3.5.2 Alternative Performance-Based Criteria
  • 6.8.3.5.3 Alternative Acceptability by Progressive Collapse Avoidance
  • 6.8.4 Minimum Fluid Density for Tsunami Loads
  • 6.8.5 Flow Velocity Amplification
  • 6.8.5.1 Upstream Obstructing Structures
  • 6.8.5.2 Flow Velocity Amplification by Physical or Numerical Modeling
  • 6.8.6 Directionality of Flow
  • 6.8.6.1 Flow Direction
  • 6.8.6.2 Site-Specific Directionality
  • 6.8.7 Minimum Closure Ratio for Load Determination
  • 6.8.8 Minimum Number of Tsunami Flow Cycles
  • 6.8.9 Seismic Effects on the Foundations Preceding Local Subduction Zone Maximum Considered Tsunami
  • 6.8.10 Physical Modeling of Tsunami Flow, Loads, and Effects
  • 6.9 Hydrostatic Loads
  • 6.9.1 Buoyancy
  • 6.9.2 Unbalanced Lateral Hydrostatic Force
  • 6.9.3 Residual Water Surcharge Load on Floors and Walls
  • 6.9.4 Hydrostatic Surcharge Pressure on Foundation
  • 6.10 Hydrodynamic Loads
  • 6.10.1 Simplified Equivalent Uniform Lateral Static Pressure
  • 6.10.2 Detailed Hydrodynamic Lateral Forces.
  • 6.10.2.1 Overall Drag Force on Buildings and Other Structures.

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