Landslides in Sensitive Clays

1. Landslides in Sensitive Clays – From Geosciences to Risk Management
Jean-Sébastien L’Heureux, Ariane Locat, Serge Leroueil, Denis Demers, Jacques Locat

Part I. Sensitive Clay: Source, Nature and Development

2. Chemistry, Sensitivity and Quick-Clay Landslide Amelioration
J. Kenneth Torrance

3. Nature of Sensitive Clays from Québec
Jacques Locat, Daniel St-Gelais

4. Three-Dimensional Quick-Clay Modeling of the Gothenburg Region, Sweden
M. A. Persson

5. Ion Exchange as a Cause of Natural Restabilisation of Quick Clay – A Model Study
Pascal Suer, Hjördis Löfroth, Yvonne Andersson-Sköld

6. Potassium Chloride as Ground Improvement in Quick Clay Areas – A Preliminary Study
Tonje E. Helle, Ingelin Gjengedal, Arnfinn Emdal, Per Aagaard, Øyvind Høydal

Part II. Landslide Characterization

7. Inventory of Large Landslides in Sensitive Clay in the Province of Québec, Canada: Preliminary Analysis
Denis Demers, Denis Robitaille, Pascal Locat, Janelle Potvin

8. Characterization of Post-failure Movements of Landslides in Soft Sensitive Clays
V. Thakur, S. A. Degago, F. Oset, R. Aabøe, B. K. Dolva, K. Aunaas, T. Nyheim, E. Lyche, O. A. Jensen, M. B. Sæter, A. Robsrud, M. Viklund, Daniel Nigussie, J.-S. L’Heureux

9. Controls on the Dimensions of Landslides in Sensitive Clays
Marten Geertsema, Jean-Sébastien L’Heureux

10. Prehistoric Sensitive Clay Landslides and Paleoseismicity in the Ottawa Valley, Canada
Gregory R. Brooks

11. Characterization and Post-failure Analysis of the 1980 Landslide in Sensitive Clays at Havre-St-Pierre, Québec, Canada
Pascal Locat, Serge Leroueil, Jacques Locat, Denis Demers

12. The Evolution of Material Properties Within an In Situ Shear Zone in Sensitive Clay
Jean-Sébastien L’Heureux, Ragnar Moholdt, Vidar Gjelsvik, Einar Lyche

Part III. Integrated Geotechnical and Geophysical Site Investigations

13. The Use of Geophysics for Sensitive Clay Investigations
Shane Donohue, Michael Long, Jean-Sébastien L’Heureux, Inger-Lise Solberg, Guillaume Sauvin, Magnus Rømoen, Thomas Kalscheuer, Mehrdad Bastani, Lena Persson, Isabelle Lecomte, Peter O’Connor

14. Applications of 2D Resistivity Measurements for Quick-Clay Mapping in Mid Norway
Inger-Lise Solberg, Louise Hansen, Jan Steinar Rønning, Einar Dalsegg

15. An Integrated Approach to Quick-Clay Mapping Based on Resistivity Measurements and Geotechnical Investigations
Andreas Aspmo Pfaffhuber, Sara Bazin, Tonje E. Helle

16. Geophysical and Geotechnical Investigations for a Major Highway in a Quick-Clay Area
Rolf Sandven, Inger-Lise Solberg

17. Mapping of Quick Clay by ERT and CPT-R in the Göta Älv River Valley
Torleif Dahlin, David Schälin, Johannes Tornborg

18. Geophysical Data Integration for Quick-Clay Mapping: The Hvittingfoss Case Study, Norway
Guillaume Sauvin, Isabelle Lecomte, Sara Bazin, Jean-Sébastien L’Heureux, Maarten Vanneste

19. Joint Acquisition and Processing of Seismic Reflections and Surface Waves in a Sensitive Clay Deposit in the Outaouais Region (Québec), Canada
Gabriel Fabien-Ouellet, Richard Fortier, Bernard Giroux

20. Empirical Geophysical/Geotechnical Relationships in the Champlain Sea Sediments of Eastern Ontario
H. L. Crow, J. A. Hunter, A. J. M. Pugin, S. E. Pullan, S. Alpay, M. Hinton

Part IV. Slope Stability, Modelling and Progressive Failure

21. The Effect of Deformation Rate in Progressive Slope Failure
Anders Samstad Gylland

22. Failure Mechanism of Spreads in Sensitive Clays
Ariane Locat, Serge Leroueil, Hans Petter Jostad

23. How Well Do We Understand the Undrained Strain Softening Response in Soft Sensitive Clays?
V. Thakur, H. P. Jostad, H. A. Kornbrekke, S. A. Degago

24. Effect of Strain-Softening in Design of Fills on Gently Inclined Areas with Soft Sensitive Clays
Hans Petter Jostad, P. Fornes, V. Thakur

25. Effective Stress Based Stability Analysis of Normally Consolidated Clays
Tim Länsivaara, Juho Mansikkamäki, Ville Lehtonen

Part V. Hazard Assessment, Risk Management, Regulations and Policies

26. An Overview of the Mapping of Landslide-Prone Areas and Risk Management Strategies in the Province of Québec, Canada
Janelle Potvin, Catherine Thibault, Denis Demers, Chantal Bilodeau

27. Regulatory Framework for Road and Railway Construction on the Sensitive Clays of Norway
F. Oset, V. Thakur, B. K. Dolva, K. Aunaas, M. B. Sæter, A. Robsrud, M. Viklund, T. Nyheim, E. Lyche, O. A. Jensen

28. Risk Assessment for Quick Clay Slides – The Norwegian Practice
Bjørn Kalsnes, Vidar Gjelsvik, Hans Petter Jostad, Suzanne Lacasse, Farrokh Nadim

29. Quaternary Geology as a Basis for Landslide Susceptibility Assessment in Fine-Grained, Marine Deposits, Onshore Norway
Louise Hansen, Fredrik Høgaas, Harald Sveian, Lars Olsen, Bjørn Ivar Rindstad

30. Management of Quick Clay Areas in Slope Stability Investigations – The Göta River Valley
Helen Åhnberg, Hjördis Löfroth, Karin Lundström

31. Safety Concepts for Slope Stability
Tim Länsivaara, T. Poutanen

Keywords: Earth Sciences, Natural Hazards, Environmental Science and Engineering, Geotechnical Engineering & Applied Earth Sciences, Geology