Monday

Monday 12 June

Location: Auditorium S6, Central Building 2, Gloshaugen, NTNU

 
08:00
Registration
Location: In front of Auditorium S6
 
09:00
Opening ceremony
Vikas Thakur, Chair, 2nd IWLSC
 
09:30
Keynote lecture:
"Sensitive clays of Eastern Canada: from geology to slope stability"

Professor Guy Lefebvre
 
Facilitator : Jean Sébastien L'Heureux (NGI)
 
10:00
Tea/Coffee break
 
10:30
Session 1:
CHARACTERIZATION OF SENSITIVE CLAYS

 
Facilitators:
Steinar Nordal (NTNU), Anders Gylland (Multiconsult)
10:30 - Chemistry: An essential key to understanding high-sensitivity and quick clays and to addressing landslide risk
J. Kenneth Torrance
10:48 - Improving the post-failure properties in quick clays by treatment with potassium chloride
T.E. Helle, P. Aagaard, S. Nordal
11:00 - CPTU classification diagrams for identification of sensitive clays
A.S. Gylland, R. Sandven, A. Montafia, A.A. Pfaffhuber, K. Kåsin, M. Long
11:12 - Relationships between shear wave velocity and geotechnical parameters for Norwegian and Swedish sensitive clays
M. Long, T. Wood, J.S. L'Heureux
11:24 - Geophysical and geotechnical characterization of a sensitive clay deposit in Brownsburg, Quebec
K. Bélanger, A. Locat, R. Fortier, D. Demers
11:36 - Investigating how the changes in geotechnical properties of sensitive clays influence their geophysical properties
S. Gribben, S. Bazin, S. Donohue, V. Sivakumar, J.S. L’Heureux
11:48 - Determination of remoulding energy of sensitive clays
V. Thakur, S. A. Degago, J. Selänpää, T. Länsivaara
 
12:00
Lunch
Location: Canteen Hangaren, Central Building 1
 
13:00
Session 1 continued:
CHARACTERIZATION OF SENSITIVE CLAYS

 
Facilitators:
Minna Karstunen (Chalmers University of Technology), Tonje Eide Helle (NTNU)
13:00 - Problems related to field vane testing in soft soil conditions and improved reliability of measurements using an innovative field vane device
J. Selänpää, B. Di Buò, T. Länsivaara, M. D’Ignazio
13:12 - A new laboratory procedure to study stress relief in soil samples
H. A. Amundsen, H. Dang, M. Adamson, A. Emdal, V. Thakur
13:24 - Sample disturbance in deep clay samples
A.B. Lundberg
13:36 - Effects of sample disturbance in the determination of soil parameters for advanced finite element modelling of sensitive clays
M. D’Ignazio, H. P. Jostad, T. Länsivaara, V. Lehtonen, J. Mansikkamäki, C. Meehan
11:48 - Viscometric tests of sensitive clay from Byneset, Norway, and fit to the Herschel–Bulkley model
R.H. Grue, D. Issler, J.S. L’Heureux, V. Thakur
14:00 - Dynamic properties of a sensitive clay deposit
S. Bouchard, H. Ali, D. LeBoeuf, S. Leroueil, G. Cascante
 
14:15
Session 2:
PRE-FAILURE AND FAILURE STAGES OF SENSITIVE CLAYS

 
Facilitators:
Tim Länsivaara (Tampere University of Technology), Ville Lehtonen (Tampere University of Technology
14:15 - The role of instability and shear band localisation in triggering landslides in sensitive clays
L. Andresen, H.P. Jostad
14:27 - Vibratory roller influence zone near slopes with vibration susceptible soils
J. Johansson, S. Bouchard, J.-S. L’Heureux
14:39 - Bayesian updating of uncertainties in the stability analysis of natural slopes in sensitive clays
I. Depina, C. Ulmke, D. Boumezerane, V. Thakur
14:51 - Potential landsliding at the North Spur, Churchill River Valley
D. Leahy, R. Bouchard, S. Leroueil
 
15:05
Short break
 
15:30
Session 2 continued:
PRE-FAILURE AND FAILURE STAGES OF SENSITIVE CLAYS

 
Facilitators:
Samson Degago (NPRA), Ivan Depina (SINTEF)
15:30 - Correction factors for undrained LE analyses of sensitive clays
P. Fornes, H. P. Jostad
15:42 - Advances in determining Δu and su for limit equilibrium analyses
V. Lehtonen, T. Länsivaara
15:54 - Recommended practice for the use of strength anisotropy factors in stability calculations
V. Thakur, V. Gjelsvik, O.A. Fauskerud, S. Christensen, F. Oset, M. Viklund, S.A. Strand
16:06 - On the benefits of incorporating anisotropy in stability analyses in sensitive clays
M. Karlsson, M. Karstunen
16:18 - Development and application of a regional slope stability assessment screening tool
B.D. Carlton, K. Price, M. Vanneste, C.F. Forsberg
 
16:30
Plenary 1:
BEHAVIOUR OF SENSITIVE CLAYS

Discussion leaders:
Dr. Hans Petter Jostad (NGI)
Prof. Serge Leroueil (Laval University)
 
17:00
End
 
19:00
Social event - Nidaros Cathedral (Nidarosdomen)
 
19:30
Reception at Café To Tårn
Sponsored by NGI
(ends 20:30)
 

 

RSB

 

 

Workshop Organizers:

Norwegian University of Science and Technology
Norwegian Geotechnical Society

 

Partners:

N G I
Université Laval
Norwegian Public Roads Administration
Bane Nor
Norwegian Water Resources and Energy Directorate
Multiconsult