GSA 2020 Connects Online

Session No. 218
Thursday, 29 October 2020: 1:30 PM-5:30 PM

T229. Landslide Hazard and Risk Assessments I

GSA Quaternary Geology and Geomorphology Division; GSA Geology and Society Division

 

Andree Blais-Stevens and Didier Perret, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1:35 PM
LANDSLIDES THAT HAVE CAUSED FATALITIES IN CANADA SINCE 1771
BLAIS-STEVENS, Andree, Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada
1:50 PM
ANALYSIS OF THE FAILURE MECHANISM OF SPREADS IN SENSITIVE CLAYS (Invited Presentation)
LOCAT, Ariane1, DURAND, Alain2, LEROUEIL, Serge1 and DEMERS, Denis3, (1)Département de génie civil et de génie des eaux, Université Laval, Pavillon Andrien-Pouliot 1065 av. de la Médecine, Quebec, QC G1V 0A6, Canada, (2)SNC Lavalin, 5500 Boulevard des Galeries, Québec, QC G2K 2E2, Canada, (3)Section des Mouvements de terrain, Ministère des Transports du Québec, Direction de la géotechnique et de la géologie, 2700, rue Einstein, Québec, QC G1P 3W8, Canada
2:05 PM
CHARACTERIZATION OF LANDSLIDES IN SENSITIVE CLAY, SOUTHERN MAINE, USA
SPIGEL, Lindsay, Maine Geological Survey, 17 Elkins Lane, 93 State House Station, Augusta, ME 04333
2:20 PM
TWO-DIMENSIONAL LARGE DEFORMATION FINITE ELEMENT MODELLING OF SENSITIVE CLAY LANDSLIDES
WANG, Chen1, HAWLADER, Bipul2, KARMAKER, Ripon2, PERRET, Didier3, SOGA, Kenichi4 and DEY, Rajib5, (1)KGS Group, Suite 402 - 4310 Sherwoodtowne Blvd, Mississauga, ON L4Z 4C4, Canada, (2)Department of Civil Engineering, Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John’s, NF A1B 3X5, Canada, (3)Natural Resources Canada, Geological Survey of Canada, 490 rue la Couronne, Quebec, QC G1K 9A9, Canada, (4)The Donald H. McLaughlin Chair of Mineral Engineering - Department of Civil and Environmental Engineering, University of California, Berkeley, 447 Davis Hall, Berkeley, CA 94720-1710, (5)Stantec Consulting Ltd., 300W-675 Cochrane Drive, Markham, ON L3R 0B8, Canada
2:35 PM
FLOWSLIDES IN SENSITIVE CLAYS OF QUEBEC AND ONTARIO: STATE OF KNOWLEDGE (Invited Presentation)
LOCAT, Pascal1, DEMERS, Denis2, LEROUEIL, Serge3, LOCAT, Jacques4, TURMEL, Dominique3 and LOCAT, Ariane3, (1)Département de génie civil et de génie des eaux, Université Laval, Pavillon Andrien-Pouliot 1065 av. de la Médecine, Quebec, QC G1V 0A6, Canada; Section des Mouvements de terrain, Ministère des Transports du Québec, Direction de la géotechnique et de la géologie, 2700, rue Einstein, Québec, QC G1P 3W8, Canada, (2)Section des Mouvements de terrain, Ministère des Transports du Québec, Direction de la géotechnique et de la géologie, 2700, rue Einstein, Québec, QC G1P 3W8, Canada, (3)Département de génie civil et de génie des eaux, Université Laval, Pavillon Andrien-Pouliot 1065 av. de la Médecine, Quebec, QC G1V 0A6, Canada, (4)Département de géologie et de génie géologique, Université Laval, 1065, avenue de la Médecine, Quebec City, QC G1V 0A6, Canada
 
2:50 PM
Break
3:05 PM
SPREADS IN SENSITIVE CLAYS IN QUEBEC PROVINCE: A SYNTHESIS OF 14 HISTORICAL CASES
THERRIEN, Julie1, LOCAT, Ariane2, LEROUEIL, Serge2 and DEMERS, Denis1, (1)Section des Mouvements de terrain, Ministère des Transports du Québec, Direction de la géotechnique et de la géologie, 2700, rue Einstein, Québec, QC G1P 3W8, Canada, (2)Département de génie civil et de génie des eaux, Université Laval, Pavillon Andrien-Pouliot 1065 av. de la Médecine, Quebec, QC G1V 0A6, Canada
3:20 PM
EARTHQUAKE-TRIGGERED LANDSLIDE HAZARD IN SENSITIVE CLAY DEPOSITS
PERRET, Didier1, MOMPIN, Remi2, LOCAT, Pascal2 and DEMERS, Denis2, (1)Natural Resources Canada, Geological Survey of Canada, 490 rue la Couronne, Quebec, QC G1K 9A9, Canada, (2)Section des Mouvements de terrain, Ministère des Transports du Québec, Direction de la géotechnique et de la géologie, 2700, rue Einstein, Québec, QC G1P 3W8, Canada
3:35 PM
THE CHALLENGE OF PREDICTING ROCKFALL RUNOUTS IN U-SHAPED GLACIAL VALLEYS (Invited Presentation)
NOEL, Francois, Geohazard and Earth observation, Geological survey of Norway (NGU), Trondheim, Trøndelag, 7018, Norway; Risk Analysis Group, Institute of Earth Sciences, University of Lausanne, Lausanne, 1015, Switzerland, GUERIN, Antoine, Risk Analysis Group, Institute of Earth Sciences, University of Lausanne, Lausanne, 1015, Switzerland, JABOYEDOFF, Michel, Department of geology and engineering geology, Laval University, Quebec, QC G1V 0A6, Canada; Risk Analysis Group, Institute of Earth Sciences, University of Lausanne, Lausanne, 1015, Switzerland, HERMANNS, Reginald L., Department of Geoscience and Petroleum, Norwegian University of Science and Technology, Trondheim, 7491, Norway; Geohazard and Earth observation, Geological survey of Norway (NGU), Trondheim, Trøndelag, 7018, Norway, STOCK, Greg M., National Park Service, Yosemite National Park, El Portal, CA 95318 and COLLINS, Brian D., Landslide Hazards Program, U.S. Geological Survey, 345 Middlefield Road, MS973, Menlo Park, CA 94025
3:50 PM
DEVELOPMENT AND OPTIMIZATION OF A LANDSLIDE RUNOUT SCORING SYSTEM
WALLACE, Cory S1, SANTI, Paul M.2 and WALTON, Gabriel1, (1)Department of Geology & Geological Engineering, Colorado School of Mines, Golden, CO 80401, (2)Department of Geology and Geological Engineering, Colorado School of Mines, 1500 Illinois St., Golden, CO 80401
4:05 PM
EMPIRICAL ANALYSIS AND DEVELOPMENT OF LANDSLIDE RUNOUT PREDICTION RELATIONSHIPS FOR THE CEDAR RIVER VALLEY, KING COUNTY, WASHINGTON
MOLINARI, Mark P.1, BUNN, Jeremy2, WOODWORTH, Carla3 and DENG, Michelle3, (1)GeoEngineers Inc., 2101 4th Avenue, Suite 950, Seattle, WA 98121, (2)King County Department of Natural Resources and Parks, 201 S Jackson, Suite 600, Seattle, WA 98104, (3)GeoEngineers Inc., 17425 NE Union Hill Road, Suite 250, Redmond, WA 98052
 
4:20 PM
Discussion
 
4:35 PM
Concluding Remarks
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