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Bridge design IΙ

Course Description:

Selection of bridge type, design and calculation of superstructures - infrastructures of reinforced concrete bridges. Contemporary construction methods and earthquake resistant design. Systems for bridging large spans - Special issues on repair and retrofitting of bridges.

Prerequisite Knowledge

Knowledge of Mechanics, Structural analysis, Earthquake resistant design, Structures from reinforced concrete and steel

Course Units

# Title Description Hours
1 Introduction Examples of application of actions and calculation of superstructure and piers response. Brief presentation of basic pre-tensioning concepts. 3x2=6
2 Superstructure Design Criteria and Type Selection. Supporting systems. Simulation instructions. Methods of analysis of characteristic types (Beams - Slabs - Girders). Influence of the method and the construction stages in the calculation of the response. 3x4=12
3 Pier and retaining systems Abutments, Piers and retaining walls 1x4=4
4 Mechanized construction methods Pre-casting beams. Balanced Cantilever method. Incremental Launching Movable Scaffolding System. Span by span segmental. 3x4=12
5 Methods of bridging large spans Cable, lifted and arch-type bridges 1x4=4
6 Earthquake resistant design Design methods. Assessment of the seismic actions. Seismic isolation 3x4=12
7 Special Issues Repair - retrofitting 1x2=2

Learning Objectives

With the successful completion of the course, the students will know:

  1. To recognize the design principles of bridge superstructure, infrastructure and foundation;
  2. To select the type and design reinforced concrete bridges;
  3. To determine the loads of highway bridges according to Eurocodes;
  4. Modern construction methods;
  5. How to perform the preliminary design of simple bridges.

Teaching Methods

Teaching methods Lectures in class. Presentation of the solution of exercises in class.
Teaching media Blackboard. PowerPoint presentations. Visit to construction sites (if possible).
Problems - Applications 8 exercises to be solved in class and 8 homework assignments
Assignments (projects, reports) Students solve and deliver the homeworks, on which they are examined at the end of the semester.
Other Presentation of significant bridges

Student Assessment

  • Final written exam: 70%
  • Assignments (projects, reports): 30%

Textbooks - Bibliography

  1. Class notes (uploaded on the site of the course)
  2. C. Menn: “Prestressed Concrete Bridges” (Birkhäuser)
  3. F. Leonhardt: “Bridges” (Greek Translation M.Giourdas)
  4. EN 1990: Basis of Structural Design
  5. EN 1991: Actions on Structures
  6. EN 1992-1: Design of Concrete Structures
  7. EN 1992-2: Design of Concrete Structures – Concrete Bridges
  8. EN 1998-1: Design of structures for earthquake resistance - Part 1 : General rules, seismic actions and rules for buildings
  9. EN 1998-1: Design of structures for earthquake resistance - Part 2 : Bridges