Design of Steel Lighting System Support Pole Structures

Design of Steel Lighting System Support Pole Structures, ASCE/SEI 72-21, provides design parameters applicable to self-supporting structures, with base plates for installation on a concrete pier foundation, or as direct embedded, backfilled poles with the base section being either steel or concrete.

Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Engineers, American Society of Civil
Formato: Electrónico eBook
Idioma:Inglés
Publicado: : American Society of Civil Engineers, 2021.
Colección:Standards Ser.
Temas:
Roads > Lighting > Supports > Design and construction > Standards.
Tubular steel structures > Design and construction > Standards.
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Intro
  • CONTENTS
  • PREFACE
  • ACKNOWLEDGMENTS
  • Chapter 1: General
  • 1.1 Scope
  • 1.2 Definitions
  • Chapter 2: Loads
  • 2.1 Scope
  • 2.2 SYMBOLS for Construction Load
  • 2.3 Classification of Structures
  • 2.4 Combinations of Loads
  • 2.5 Dead Load
  • 2.6 Live Load
  • 2.7 Wind Load
  • 2.7.1 Scope
  • 2.7.2 Symbols for Wind Load
  • 2.7.3 General Requirements
  • 2.7.4 Shielding
  • 2.7.5 Strength Design of Supporting Structures
  • 2.7.5.1 Design Wind Force Applied to Supporting Structures
  • 2.7.5.2 Design Wind Force Applied to Lighting Fixtures
  • 2.7.5.2.1 Effective Projected Area of Fixtures
  • 2.7.5.3 Design Wind Force Applied to Mounting Systems
  • 2.7.5.4 Design Wind Force Applied to Appurtenances
  • 2.7.6 Strength Design of Attachments
  • 2.8 Earthquake Load
  • 2.8.1 Scope
  • 2.8.2 Symbols for Earthquake Load
  • 2.8.3 General Requirements
  • 2.8.4 Analysis Considerations
  • 2.8.4.1 Structural Analysis Considerations
  • 2.8.4.2 Equivalent Lateral Force Procedure
  • 2.8.4.2.1 Fundamental Period Calculation
  • 2.8.4.3 Modal Response Spectrum Analysis
  • 2.8.4.3.1 Base Shear and Modal Mass Contributed by Each Mode
  • 2.8.4.3.2 Seismic Forces Contributed by Each Mode
  • 2.8.5 Overstrength Factor
  • 2.9 Fatigue Load
  • 2.9.1 Scope
  • 2.9.2 General Requirements
  • 2.10 Stiffness Requirement
  • 2.10.1 Scope
  • 2.10.2 General Requirements
  • Chapter 3: Steel Design
  • 3.1 Scope
  • 3.2 Symbols
  • 3.3 Analysis
  • 3.4 Design Strength
  • 3.5 Materials
  • 3.5.1 Prequalified Structural Steel Material
  • 3.5.1.1 Supplementary Requirements
  • 3.5.2 Other Structural Steel Material
  • 3.5.3 Fasteners
  • 3.5.4 Anchor Rods
  • 3.5.5 Test Reports
  • 3.6 Corrosion Control
  • 3.6.1 Members and Components
  • 3.6.2 Fasteners
  • 3.6.3 Anchor Rods
  • 3.6.4 Direct Embed Foundations
  • 3.7 Member Properties
  • 3.7.1 Round Members
  • 3.7.2 Multisided Members
  • 3.8 Effective Yield Strengths
  • 3.8.1 Tubular Round Members
  • 3.8.2 Multisided Members
  • 3.9 Tubular Pole Design Strength
  • 3.9.1 Combined Axial Force, Shear, and Moments
  • 3.9.1.1 Nominal Axial Compressive Strength
  • 3.9.1.2 Nominal Flexural Strength
  • 3.9.1.2.1 Tubular Round Members
  • 3.9.1.2.2 Multisided Members
  • 3.9.1.3 Nominal Shear and Torsional Strengths
  • 3.9.1.3.1 Tubular Round Members
  • 3.9.1.3.2 Multisided Members
  • 3.10 Connections
  • 3.10.1 Pole Slip Splices
  • 3.10.2 Flange Plates
  • 3.10.2.1 Socketed Connections
  • 3.10.2.2 Butt-Welded Connections
  • 3.11 Components and Attachments
  • 3.12 Anchor Rod Strength
  • Chapter 4: Fatigue Design
  • 4.1 Scope
  • 4.2 Symbols
  • 4.3 Fatigue Analysis
  • 4.4 Fatigue Thresholds
  • 4.4.1 Pole Sections
  • 4.4.2 Slip Splices
  • 4.4.3 Circumferential Welds
  • 4.4.4 Welded Attachments
  • 4.4.5 Reinforced Holes and Cutouts
  • 4.4.6 Unreinforced Holes and Cutouts
  • 4.4.7 Pole-to-Flange Plate Connections
  • 4.4.7.1 Effective Center Opening Diameter

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