NOUVELLE INVESTIGATION GÉOTECHNIQUE DU GLISSEMENT DE TERRAIN DE 1971 LE LONG DE LA RIVIÈRE DE LA NATION SUD, ONTARIO
Alain Durand, Ariane Locat, Serge Leroueil, Pascal Locat, Denis Demers
In the proceedings of: GeoQuébec 2015: 68th Canadian Geotechnical Conference & 7th Canadian Permafrost ConferenceSession: Landslides and Slope Stability IV / Mouvements de terrain et stabilité des pentes IV
ABSTRACT: A very large landslide, involving approximately 28 hectares, occurred during the night of May 16, 1971, along the South Nation River near the Casselman Village, Ontario. Horsts and Grabens have been identified from the debris analysis inside the landslide scar, typical of spreads in sensitive clay. The Quebec Ministry of Transportation and Laval University are collaborating to undertake a geotechnical investigation in order to characterize the geotechnical properties of soils involved in this landslide. The investigation includes two boreholes, three vane shear tests, and five piezocone tests outside the landslide. Moreover, 11 piezocone tests and two boreholes were performed inside the landslide scar in order to locate the failure surface and characterize the landslide debris. The main results of this geotechnical investigation are presented.
RÉSUMÉ: Un très grand glissement cicatrice du glissement révèle la présence de horsts et de grabens, typique des étalements dans les argiles sensibles. Le Ministère des Transports du afin de caractériser les propriétés géotechniques des sols impliqués dans ce glissement. La campagne comprend deux forages, trois profils au scissomètre et cinq sondages au De plus, 11 sondages au piézocône et deux forageposition de la surface de rupture et de caractériser les débris du glissement. Les principaux résultats de cette campagne
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Alain Durand; Ariane Locat; Serge Leroueil; Pascal Locat; Denis Demers (2015) NOUVELLE INVESTIGATION GÉOTECHNIQUE DU GLISSEMENT DE TERRAIN DE 1971 LE LONG DE LA RIVIÈRE DE LA NATION SUD, ONTARIO in GEO2015. Ottawa, Ontario: Canadian Geotechnical Society.
@article{650,
author = Alain Durand; Ariane Locat; Serge Leroueil; Pascal Locat; Denis Demers,
title = NOUVELLE INVESTIGATION GÉOTECHNIQUE DU GLISSEMENT DE TERRAIN DE 1971 LE LONG DE LA RIVIÈRE DE LA NATION SUD, ONTARIO,
year = 2015
}
title = NOUVELLE INVESTIGATION GÉOTECHNIQUE DU GLISSEMENT DE TERRAIN DE 1971 LE LONG DE LA RIVIÈRE DE LA NATION SUD, ONTARIO,
year = 2015
}