Mécanique des roches et ouvrages souterrains

CIVIL-308

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Course summary

Mécanique des roches / Rock mechanics:
  1. Introduction à la mécanique des roches
  2. Rappel de mécanique
  3. Strain / stress


Jeûne Fédéral

  1. Comportement mécanique des roches intactes
  2. Critères de rupture des roches intactes

Fin du cours sur 

  1. Comportement mécanique des roches intactes
  2. Critères de rupture des roches intactes

Discontinuités:

  1. Comportement sous sollicitation en cisaillement

  2. Comportement sous sollicitation normale

  3. Ecoulement dans les joints


Massif rocheux:
  1. Introduction
  2. Classifications
  3. Propriétés des massifs rocheu




Vacances


Cours sur fondations en rocher :
  1. Introduction
  2. Fondations superficielles
  3. Fondations de barrage
  4. Fondations travaillant en traction


Fouilles en rocher :

  1. Mécanismes de rupture

  2. Analyse de stabilité

  3. Mesures de renforcement



MCQ on fundamental aspects of the course - 9.15 to 10.45
(e.g. stress - strain, rock matrix, discontinuities and rock mass mechanical behavior).

11 to 12 and 13.15 to 15: class on Foundations.

Ouvrages souterrains / Tunnelling:

Tunnel excavation and ground response

Course:

1. General introduction about Tunnelling and Excavation methods.

2. Stress, Displacement and Ground Response:
  • Effects of opening size
  • Analytical solutions (Lamé & Kirsch)
  • Effects of opening shape

Exercise TE01:

Stress, Displacement and Ground Response (Kirsch's solutions)


Tunnel Support Design

Course:

  1. General introduction about tunnel support

Rock mass Classifications based methods for Tunnel Support Design

Course:

2. Rock mass Classifications based methods for tunnel support design
  • Bieniawski (RMR-System)
  • Barton et al. (Q-System)
  • AFTES
  • Hoek-Kaiser-Bawden (GSI-System)
  • Terzaghi (+mod. by Deere et al. 1970)


Exercise TE02:

Rock mass Classifications based methods

Analytical method for support design

Course:

  1. Convergence Confinement Method
  2. Observational based Method

Exercise TE03:

Convergence Confinement Method



Ground pressure based method for support design and tunnelling in soft ground

Course:

1. Active Load
Vertical dislocation load (Terzaghi's and Caquot's solutions)Horizontal load
2. Hyperstatic reaction method

3. Tunnelling in soft ground
  • Settlements
  • Face stability

Exercise TE04:

Dislocation Load and Settlements


Numerical modelling in tunnelling

Course:

  1. Numerical modelling in tunnelling
    • Continuum and discontinuum modelling
    • Numerical methods