Lecture:
General presentation of the course: structure, objectives, mode of delivery, bibliography. A brief history of bridge development. Introductory notions and terminology specific to bridge engineering.
Materials used in bridge construction. Classification of bridges: according to construction material, purpose, and the type of predominant stress in the main load-bearing elements.
Beam bridges.
Computer modeling of truss beam bridge structures.
Preliminary design elements for beam bridges.
Actions, load classes, standard load models. Combination of actions.
Study of bridge location. Required studies. Recommendations.
Elements of hydraulic design.
Arch bridges and vault bridges. Preliminary design elements for arch and vault bridges.
Cable-supported bridges.
Technical report. Elements related to technical drawing.
Discussions. Questions. Future development directions in bridge structures.
Practical works:
Project assignment. Selection of the structural system for a steel truss railway bridge.
Assessment of actions for a steel railway bridge: self-weight, train load, wind.
Static analysis of the truss girder. Calculation of forces in the chords and diagonals.
Static analysis of the truss girder. Forces resulting from the main horizontal bracing system.
Modeling of the structure in a structural analysis software.
Discussion and working time required for preparing the drawings and the technical report.
