Structural stability
CIVIL-369 / 4 crédits
Enseignant(s): De Abreu E Presa De Castro E Sousa Albano António, Heredia Rosa Diego Isidoro, Lignos Dimitrios
Langue: Anglais
Summary
Advanced topics in structural stability; elastic & inelastic column buckling; lateral-torsional buckling of bridge/plate girders; nonlinear geometric effects; frame stability; computational formulation of stability theory; Geometric stiffness method; Plate buckling; Plastic collapse analysis
Content
- Week 1: Introduction & easy statics
- Week 2: Plastic analysis and collapse loads
- Week 3: Stability of axially loaded members
- Week 4: Interaction curves - bending and axial load
- Week 5: Lateral torsional buckling of members - P1
- Week 6: Lateral torsional buckling of members - P2
- Week 7: Frame stability
- Week 8: Geometric stiffness method for buckling analysis
- Week 9: Euler method and equlibrium paths
- Week 10: Potential energy method for assessing stability
- Week 11: Dynamic method for assessing stability
- Week 12: Plate buckling
- Week 13: Applications of plate buckling in structural mechanics
- Week 14: Case studies on structural stability
Keywords
structural stability, static & dynamic loading, nonlinear geometric instabilities, nonlinear behaviour, frame stability, plastic analysis, plate buckling, plate girders
Learning Prerequisites
Required courses
- Statics
- structural analysis
- mechanics of materials and/or structural mechanics
Recommended courses
- Design of steel structures
- Design of concrete structures
- Statics
- Structural mechanics
Learning Outcomes
By the end of the course, the student must be able to:
- Assess / Evaluate
- Critique
- Design
- Estimate
- Analyze
- Check
- Dimension
- Define
Transversal skills
- Plan and carry out activities in a way which makes optimal use of available time and other resources.
- Set objectives and design an action plan to reach those objectives.
- Use a work methodology appropriate to the task.
- Communicate effectively with professionals from other disciplines.
- Access and evaluate appropriate sources of information.
- Use both general and domain specific IT resources and tools
- Communicate effectively, being understood, including across different languages and cultures.
- Identify the different roles that are involved in well-functioning teams and assume different roles, including leadership roles.
Teaching methods
3-hour lectures, 1-hour exercises
Use of:
- Power point
- Online reading
- Python-based tools to facilitate learning and computational thinking
- In-class exercises
- Problem sets
Expected student activities
- Class participation
- Weekly In-class exercises
Assessment methods
- Graded assignments (30% of the total grade)
- Final written exam (70% of hte total grade)
Supervision
Others | The course lectures will be provided online 3-hours after the end of each class. |
Resources
Bibliography
- Ziemian, RD. Guide to stability design criteria for metal structures
- Bazant, Z., and Cedolin, L. Stability of structures
- Chen, WF., Him, EM. Structural stability: Theory and Implementation
- SIA-263 / Eurocodes
Ressources en bibliothèque
- SIA standard 263 [printed version]
- Guide to stability design criteria for metal structures / Ziemian
- Structural stability: Theory and Implementation / Chen and Lui
- SIA standard 263 [available online for EPFL community]
- Stability of structures / Bazant and Cedolin
Notes/Handbook
- The course lectures, list of in-class exercise problems, problem sets and exams are based on lecture notes that are provided weekly through Moodle.
- The course does not follow a specific textbook.
Moodle Link
Prerequisite for
- Master projects in structural analysis and advanced design of structures
- Nonlinear static and dynamic analysis of structures
- Performance assessment of new and existing structures
- Performance-Based Earthquake Engineering (PBEE)
Dans les plans d'études
- Semestre: Printemps
- Forme de l'examen: Ecrit (session d'été)
- Matière examinée: Structural stability
- Cours: 3 Heure(s) hebdo x 14 semaines
- Exercices: 1 Heure(s) hebdo x 14 semaines
- Type: optionnel
- Semestre: Printemps
- Forme de l'examen: Ecrit (session d'été)
- Matière examinée: Structural stability
- Cours: 3 Heure(s) hebdo x 14 semaines
- Exercices: 1 Heure(s) hebdo x 14 semaines
- Type: optionnel
- Forme de l'examen: Ecrit (session d'été)
- Matière examinée: Structural stability
- Cours: 3 Heure(s) hebdo x 14 semaines
- Exercices: 1 Heure(s) hebdo x 14 semaines
- Type: optionnel
- Semestre: Printemps
- Forme de l'examen: Ecrit (session d'été)
- Matière examinée: Structural stability
- Cours: 3 Heure(s) hebdo x 14 semaines
- Exercices: 1 Heure(s) hebdo x 14 semaines
- Type: optionnel
Semaine de référence
Lu | Ma | Me | Je | Ve | |
8-9 | |||||
9-10 | |||||
10-11 | |||||
11-12 | |||||
12-13 | |||||
13-14 | |||||
14-15 | |||||
15-16 | |||||
16-17 | |||||
17-18 | |||||
18-19 | |||||
19-20 | |||||
20-21 | |||||
21-22 |
Légendes:
Cours
Exercice, TP
Projet, labo, autre