Coursebooks 2017-2018

PDF
 

Fracture Mechanics and Fatigue of Structures

CIVIL-704

Lecturer(s) :

Brühwiler Eugen
Nussbaumer Alain

Language:

English

Frequency

Every 2 years

Remarque

Every two years/ Next time: April-May 2019 (Block course). Minimum 5 inscrits

Summary

Determination of stress intensity factors and application of fracture mechanics to structures made of different materials.Ability to apply fracture mechanics to predict brittle fracture+ compute fatigue life of structural elements.Understanding of the influencing parameters+methods to determine them

Content

Fracture micromechanisms in steels, Griffith and Irwin theories, concept of stress intensity factor, fracture toughness and its determination

- Plated steel structures : Fatigue strength of welded steel elements, size effect, residual stresses influence, application of fracture mechanics to fatigue

- Tubular steel structures : Hot spot stress method for fatigue design, welded vs cast steel joints

- Structural glass: Subcritical crack growth, predicting time to failure

- Reinforced concrete structures : Fracture mechanics, fracture of concrete, size effect, brittle failure, fatigue of reinforced concrete elements, evaluation of fatigue safety of bridge decks, fracture due to dynamic effects.

- R-UHPFRC structures: fracture and fatigue properties of Ultra-High Performance Fiber Reinforced Composites, structural implications, design provisions.

Keywords

Fracture mechanics, fatigue, steel structures, concrete structures, structural safety

Learning Prerequisites

Required courses

Mechanics of structures and materials

Teaching methods

Ex-cathedra lectures and exercices

Assessment methods

Oral exam

In the programs

  • Civil and Environmental Engineering (edoc), 2017-2018
    • Semester
    • Exam form
      Oral
    • Credits
      2
    • Subject examined
      Fracture Mechanics and Fatigue of Structures
    • Lecture
      20 Hour(s)
    • Practical work
      8 Hour(s)

Reference week

Lecture
Exercise, TP
Project, other

legend

  • Autumn semester
  • Winter sessions
  • Spring semester
  • Summer sessions
  • Lecture in French
  • Lecture in English
  • Lecture in German