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Course Outline
Introduction
- Railroad vs. highway bridges
- AREMA overview
- Railroad bridge structures
- Railroad structure types: timber, steel, concrete, stone, combination, movable
- FRA 237
Bridge Superstructure
- Criteria for superstructure type section
- Bridge deck types
- Steel and concrete superstructure
Bridge Substructure
- Criteria for substructure type selection
- Foundation types
- Pile foundations
- Drilled shaft foundations
- Retaining walls
- Abutments
Design Code and Load Generation
- Live load
- Impact
- Dead load
- Centrifugal force
- Lateral loads from equipment
- Longitudinal force
- Environmental loads
- Load combinations
General Information of FRA 237 Rule
- Responsibility for compliance
- Definitions
- Penalties and waivers
Railroad Bridge Safety Assurance
- Adoption of a bridge management program
- Content of a bridge management program
Qualifications and Designations of Responsible Persons
- Railroad bridge engineers, inspectors, and supervisors
- Designation of individuals
Bridge Capacity
- Determination of bridge load capacities
- Protection of bridges from overweight and over-dimensional loads
Bridge Inspection
- Scheduling bridge inspections
- Bridge inspection procedures
- Special inspections
- Conduct of bridge inspections
- Bridge inspection records
- Review of bridge inspection records
Drones for Bridge Inspection
Bridge Repair and Modification
- Design
- Supervision of repairs and modifications