Bridge inspection maitainance , and repair

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Bridge inspection , Maintenance, and repair

Author: Departments of the army and the Air Force | Size: 5.2 MB | Format: PDF | Publisher: Departments of the army and the Air Force | Year: 1994 | pages: 186 | ISBN: unknown

CHAPTER 1. INTRODUCTION
Section
I. GENERAL INFORMATION
II. MAINTENANCE PLANNING
Programming and economic considerations
Elements of the maintenance program
III. FREQUENCY OF INSPECTION
Military requirements
Factors of frequency
IV. QUALIFICATIONS OF INSPECTION PERSONNEL

2. BRIDGE STRUCTURES
Definition
Classification
Typical bridges
Box culverts
Military bridges

3. BRIDGE ELEMENTS
I. SUBSTRUCTURE ELEMENTS
Abutments
Piers and bents
II. SUPERSTRUCTURES
Decks
Floor systems
Main supporting members
Bracing
III. MISCELLANEOUS ELEMENTS
Bearings
Pin and hanger supports
Expansion joints
Approaches
Railings, sidewalks, and curbs
Deck drains
Utilities
Lighting
Dolphins and fenders
Welds, bolts, and rivets

4. MECHANICS OF BRIDGES
General
Bridge forces
Stress

5. BRIDGE CONSTRUCTION MATERIALS
I. CONCRETE
General
Physical and mechanical properties
Indication and classification of deterioration
Causes of deterioration
Assessment of concrete
II. STRUCTURAL STEEL
Physical and mechanical properties
Indicators and classification of deterioration
Causes of deterioration
Assessment of deterioration
III. TIMBER
Physical and mechanical properties
Deterioration: indicators and causes
Assessment of deterioration
IV. WROUGHT AND CAST IRON
General
Physical and mechanical properties
Deterioration: indicators and causes
V. STONE MASONRY
General
Physical and mechanical properties
Indicators of deterioration
Causes of deterioration
VI. ALUMINUM
Deterioration: indicators and causes
VII. FOUNDATION SOILS
Types of movement
Effects on structures
Indicators of movement
Causes of foundation movements
VIII. WATERWAYS
Types of movement and effects on waterways

CHAPTER 6. BRIDGE REDUNDANCY AND FRACTURE CRITICAL MEMBERS (FCMs)
I. GENERAL
Introduction
Fracture critical members
Redundancy
Criticality of FCMs
II. EXAMPLES
Two-girder system (or single-box girder)
Two-truss system
Cross girders and pier caps
Supports and suspended spans

7. INSPECTION CONSIDERATIONS
I. TOOLS AND EQUIPMENT
Basic
Concrete inspection
Steel inspection
Timber inspection
Cast iron, wrought iron, and aluminum inspection
Special equipment
II. SAFETY
Bridge site organization
Personal protection
Special safety equipment
Climbing of high steel
Confined spaces
III. DOCUMENTATION OF THE BRIDGE INSPECTION
General
Planning and documenting the inspection
Structure evaluation
IV. INSPECTION PROCEDURE
Inspection sequence
CHAPTER 8. BRIDGE COMPONENT INSPECTION
Section I. SUBSTRUCTURES
Abutments
Retaining walls
Piers and bents
Pile bents
Dolphins and fenders
II. SUPERSTRUCTURES
Concrete beams and girders
Steel beams and girders
Pin and hanger connections
Floor systems
Diaphragms and cross frames
Trusses
Lateral bracing portals and sway frames
Tied arches
Metal bearings
Elastomeric bearings

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