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  *FM 3-34.343 (FM 5-446)
Field Manual
No. 3-34.343		 Headquarters
Department of the Army
Washington, DC, 12 February 2002

 

FM 3-34.343

MILITARY, NONSTANDARD FIXED BRIDGING

Table of Contents

COVER
PREFACE
PART ONE BASIC CONSIDERATIONS
Chapter 1 BACKGROUND INFORMATION
  General Concepts
  Bridge Design
  Army Facilities Components System
  Classification Information
  Engineer Responsibilities
  Supporting Information
 
Chapter 2 RECONNAISSANCE AND PRELIMINARY INVESTIGATIONS
  Hasty Reconnaissance
  Deliberate Reconnaissance
  Repair or Reconstruction
  New-Bridge Construction
  Site Requirements
  Survey Control
  Survey Drawings
 
PART TWO CLASSIFICATION, REINFORCEMENT AND REPAIR, AND POSTING
Chapter 3 CLASSIFICATION
  Section I - Bridge-Classification Considerations
  Section II - Expedient Classification
  Hasty Method
  Track Commander's Bridge-Crossing Booklet
  Section III - Correlation-Curve Classification
  Correlation-Curve Applications
  Bridge Condition
  Span Length
  Correlation-Curve Uses
  Section IV - Analytical Bridge Classification
  Classification Assumptions
  Moment Classification for Simple Spans
  Moment Classification for Continuous Spans
  Roadway-Width Classification and Clearance Restrictions
  Solid-Sawn and Glue-Laminated Timber-Stringer Bridges
  Steel-Stringer Bridges
  Composite-Stringer Bridges
  Steel-Girder Bridges
  Truss Bridges
  Reinforced Concrete Slab Bridges
  Reinforced Concrete T-Beam Bridges
  Reinforced Concrete Box-Girder Bridges
  Prestressed Concrete Bridges
  Arch Bridges
  Movable Bridges
  Suspension Bridges
  Other Bridges
 
Chapter 4 REINFORCEMENT AND REPAIR
  Basic Considerations
  Hasty or Emergency Repairs
  Stringer Supports
  Stringer Reinforcement
  Steel Floor-Beam Reinforcement
  Truss Reinforcement and Repair
  Flooring Repair
  Masonry-Pier and -Abutment Repair
  Masonry-Arch-Bridge Repair
 
Chapter 5 POSTING
  Bridge-Classification Signs
  Traffic Controls
 
PART THREE DESIGN
Chapter 6 BRIDGE SUPERSTRUCTURES
  Design Phases
  Design Sequence
 
Chapter 7 SUBSTRUCTURE DESIGN
  Abutment Design Procedure
  Abutment Designs
  Intermediate-Support Design
 
Chapter 8 SUSPENSION-BRIDGE DESIGN
  Descriptions
  Bridge Sites
  Design Factors
  Live Load
  Panels
  Suspenders
  Main Cables
  Backstays
  Towers
  Anchorages
 
Chapter 9 CONNECTIONS
  Timber Connections
  Steel Connections
 
Chapter 10 CONSTRUCTION
  Planning Process
  Material Preparation, Timber Framing
  Material Preparation, Steel Fabrication
  Safety
  Erection-Equipment Capacity
  Special Equipment
  Truck- and Crawler-Mounted Cranes
  Derricks
  Cableways
  Hoists
  Jacks
  Falsework
  Erection-Equipment Techniques
  Derrick Elevation
  Special Launching Methods (Steel Erection)
  Precautions
  Suspension-Bridge Construction
 
Chapter 11 INSPECTION AND MAINTENANCE
  Inspection
  Maintenance
 
Chapter 12 BRIDGING IN ARCTIC AND SUBARCTIC ENVIRONMENTS
  Permafrost
  Transportation
  Thaw Effects
  Explosives
  Steel
  Wood
  Concrete
  Engineer Equipment
  Construction Schedules
  Bridge Foundations and Substructures
  Native Materials
  Foundation Survey
  Intermediate Supports
  Abutments
  Ice Removal
  Superstructure Principles
  Panel-Truss Bridges
  Timber-Truss Bridges
  Steel-Truss Bridges
  Fords
  Ice Crossings
  Expedient Ice-Bridge Construction
  Expedient Ice-Bridge Reinforcement and Repair
 
Appendix A CONVERSION CHARTS
 
Appendix B VEHICLE CLASSIFICATION
  Hypothetical Vehicles
  Standard Classification Curves
  Analytical Classification Procedure
  Expedient Classification Procedure
  Vehicle-Classification Signs
 
Appendix C TIMBER PROPERTIES
  Civilian-Design Stress
  Military-Design Stress
 
Appendix D STEEL PROPERTIES
  All-Purpose Steel
  High-Strength, Low-Alloy Steel
  Quench- and Tempered-Alloy Steel
  Steel Strengths
  Structural Shapes
  Unlisted-Beams Section Properties
 
Appendix E STRUCTURAL MECHANICS
  Dead, Live, and Impact Loads
  Stresses
  Static Equilibrium
  Internal Reactions
  Shear and Moment Diagrams
 
Appendix F CLASSIFICATION EXAMPLES
  Notations
  Timber-Stringer Bridge
  Steel-Stringer Bridge
  Composite Steel-Concrete Stringer Bridge
  Steel-Girder Bridge
  Truss Bridge
  Reinforced Concrete-Slab Bridge
  Reinforced Concrete T-Beam Bridge
  Reinforced Concrete-Box-Girder Bridge
  Prestressed Concrete Bridge
  Masonry-Arch Bridge
 
Appendix G CONCRETE PROPERTIES
  General Properties
  Cement Types
  Mass-Concrete Structures
  Steel-Reinforced Concrete
 
Appendix H SOIL PROPERTIES
 
Appendix I SUPERSTRUCTURE DESIGN EXAMPLES
  Notations
  Timber-Stringer Superstructure with a Timber Deck
  Steel-Stringer Superstructure with a Concrete Deck
 
GLOSSARY
BIBLIOGRAPHY
AUTHENTICATION

DISTRIBUTION RESTRICTION: Approved for public release; distribution is unlimited.

* This publication supersedes FM 5-446, 3 June 1991.

 



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