Number of hours
- Lectures 12.0
ECTS
ECTS 1.0
Goal(s)
The course focusses on the behaviour and design of geotechnical structures under earthquake loading and covers the following items :
- Engineering seismology
- Cyclic and dynamic behaviour of soils
- Liquefaction
- Behaviour of retaining walls
- Seismic design of earth dams and slopes
- Seismic design of foundations (shallow and deep)
- Seismic design of buried infrastructures
Content(s)
Introduction
Elements of engineering seismology
- Introduction
- Earthquakes: origins and mechanics
- Main elements of characterisation
- Seismic wave propagation
- Strong motion analysis: response spectra
- Seismic hazard analysis
- Design spectra
Cyclic and dynamic behaviour of soils
- Introduction
- Strain degradation of stiffness
- Equivalent linear model
- Cyclic non linear model
- Cyclic strength of soils
- Determination of dynamic soil properties
- From lab tests
- From in situ tests
Liquefaction of soils
- Introduction
- Physical evidence
- Behaviour of soils: drained or undrained monotonic loading
- Behaviour of soils: drained or undrained cyclic loading
- Prediction of liquefaction by laboratory tests
- Prediction of liquefaction by in situ tests
Seismic behaviour of retaining walls
- Introduction
- Pseudo-static approach
- Yielding walls
- Mononobe – Okabe approach
- Effect of water
- Estimation of permanent displacements
- Non-yielding walls
Seismic slope stability and design of earth dams
- Introduction
- Slope stability analysis
- Pseudo static approach
- Newmark sliding block analysis
- Simplified linear dynamic analysis
- Seismic stability – Makdisi & Seed (1979)
- Non-linear effects
- Design recommandations
Seismic behaviour of foundations
Seismic behaviour of buried structures
Prerequisites
Soil mechanics
Structural dynamics
Test
1 h written exam
Additional Information
This course is given in english only
Course list
Curriculum->HOE->Semester 5
Bibliography
KRAMER: Earthquake Geotechnical Engineering