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50 - LONG - Long-Term Programs


LONG 504 - Bridge Construction, Development and Maintenance (12 Weeks)

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Course Description

The program is an opportunity for participants to update their knowledge of current design and assessment codes and guidelines, and to familiarize themselves with developments in new techniques for the design, construction and management of bridges. In this program, participants will also learn how to utilize bridge safety inspection data to determine bridge maintenance needs, develop and schedule a repair program, review basic bridge repairs, and respond to bridge emergencies

Course Objectives

  • Learning bridge engineering modules
  • Understanding the definition of bridge maintenance
  • Understanding the importance of bridge maintenance
  • Being familiar with the levels of bridge maintenance
  • Learning common preventive maintenance tasks

Course Details/Schedule

Week 1

  • Introduction to Structures
  • Bridge Types
  • Bridge Terminology
  • Quality Concrete
  • Concrete Strength
  • Vibrating Concrete
  • Reinforced Concrete
  • Structural Engineering Concepts
  • Bar Supports
  • Bar Ties
  • Clearances
  • Splices
  • Preconstruction Preparation
  • Review Plans
  • Review Contract Documents
  • Record Keeping
  • In The Field
  • Staking
  • Curve Data
  • Check Chord Distance
  • Middle Ordinate Check
  • Reference Points
  • Common Staking Errors

Week 2

  • Concrete Placement Preparations
  • Placement Methods
  • Falsework Construction
  • Form Construction
  • Access for Inspection
  • Weather & Temperature Limits
  • Delivery of the Concrete
  • Sampling & Testing
  • Placing Concrete
  • Joints
  • Concrete Post-placement Activities
  • Curing Concrete
  • Deck Curing
  • Form & Falsework Removal
  • Surface Finishing
  • Backfilling

Week 3

  • Introduction To Bridge Foundations
  • Common Foundation Types
  • Spread Footings
  • Structure Excavation
  • Foundation Reports
  • Cofferdams
  • Driven Piles
  • Pile Driving Equipment
  • Hammer Approval Letter
  • Construction Documents
  • Pile Record Book

Week 4

  • Drilled Shafts
  • Drilled Shaft Equipment
  • Construction Process
  • Slurry Construction
  • Temporary Casing
  • Construction Documents
  • Inspection
  • Concrete Volumes
  • Post Construction Testing
  • Substructure
  • Periodic Checks
  • Construction Tolerances
  • Beam Seats
  • MSE Walls

Week 5

  • Prefabricated Girders
  • Common Beam Types
  • Beam Camber & Deflection
  • Bearing Points
  • Slabs & Boxes
  • Girder Construction
  • Temporary Bracing Details
  • Diaphragms
  • Steel Plate Girder Construction
  • Bolting
  • High Strength Structural Bolting
  • Field Tests
  • Rotational Capacity Test for Long Bolts
  • Rotational Capacity Test for Short Bolts
  • Verification Tests
  • Inspection Torque
  • Field Inspection
  • Other Types of Bolt Situations
  • Welding
  • Field Welding
  • Welding Processes
  • Stud Welding
  • Welding Positions

Week 6

  • Post-tensioned Box Girders
  • PT Box Girder Construction
  • Preparations for Tensioning
  • Tensioning Operations
  • After Post-Tensioning
  • Grouting PT Ducts
  • Deck Construction
  • Pour Sequence
  • Construction Material Storage
  • Cracking of Bridge Decks
  • Camber Diagrams
  • Deck Grades
  • Joints
  • Deck Placement Conference
  • Preparations for Concrete
  • Pouring Deck
  • Bidwell Roller Paver Set-up Instructions

Week 7

  • Definition of bridge maintenance
  • Objectives of bridge maintenance
  • Overview of typical maintenance procedures
  • Levels of bridge maintenance
  • Common preventive maintenance tasks
  • Importance of preventive maintenance
  • Development of a bridge asset management program
  • Integration of condition assessments into operational planning
  • Prioritizing both proactive and reactive maintenance
  • Relationship between structure age and maintenance needs
  • Strategic planning for bridge emergencies
  • Bridge engineering modules

Week 8

  • Bridge Deck Loading and Analysis
  • Types of load
  • Traffic loads
  • Application of loads
  • Load combinations
  • Partial safety factors
  • Shrinkage and temperature loads
  • The use of influence lines
  • Types of bridge deck and their behavior
  • Distribution of loads
  • Skew deck analysis
  • Use of influence surfaces
  • Computer methods (grillage, finite element, finite strip)

Week 9

  • Bridge Management
  • Inspection, assessment and strengthening
  • Technical approval procedures
  • Maintenance strategies, systems and procedures
  • Whole-life costing and asset management
  • The assessment of reinforced concrete, pre-stressed concrete, steel and composite bridges
  • Load testing of bridges
  • Methods of strengthening
  • The design of bridges for durability of maintenance
  • Long span bridges
  • Historical perspective and case studies
  • The analysis, design and construction of long span cable-supported bridges
  • The design of the main elements – cables, towers, hangers, deck and foundations
  • Construction processes
  • Aerodynamic considerations

Week 10

  • Steel and composite bridge design
  • Propped and unpropped construction
  • Serviceability and ultimate limit states
  • Design for bending, shear and combined bending and shear, continuous construction, plastic analysis
  • Reference to current codes of practice
  • The design of steel plate girders for shear and bending interaction
  • The design of transverse stiffeners
  • Fatigue behavior of steel bridges and connections
  • Means of improving fatigue performance of steel bridges
  • The design of bolted and welded steel bridge connections
  • The design of longitudinally and transversely stiffened webs and flanges for box girders
  • The design of plate elements, longitudinal stiffeners and cross frames

Week 11

  • Pre-stressed concrete bridge design
  • Simple design equations
  • Kern limits
  • Losses
  • Cable design
  • End block design
  • Differential shrinkage
  • Continuous beams
  • Design concept
  • Construction methods
  • Cost benefits
  • Global analysis
  • Pre-stress design
  • Distortion effects
  • End blocks
  • Diaphragms
  • Reinforcement

Week 12

  • Durability of bridges and structures
  • Overview of durability
  • The durability of concrete, metals, reinforcement in concrete and polymers
  • Testing and monitoring structures
  • The assessment of structures, repair methods and materials
  • The design and construction of durable structures
  • Failures of durability and their consequences