Excess Pore Water Pressure Induced in the Foundation of a Tailings Dyke at Muskeg River Mine, Fort McMurray

The External Tailings Facility dyke at the Muskeg River Mine north of Fort McMurray has been under construction since 2000. Data from piezometer installations within the tailings dyke foundation provide a unique opportunity to investigate the effect of staged construction on the generation and dissipation of excess pore water pressure within the foundation clayey units. In this study, pore water pressure generation data for the clayey facies of the foundation was compiled. Piezometric data were used to estimate the dissipation parameters for the clayey units at a selected zone of the foundation. Explanations were provided for spatial and temporal variations in the pore water pressure generation parameters.

Eshraghian, A. and S. Martens. 2010. “Excess Pore Water Pressure Induced in the Foundation of a Tailings Dyke at Muskeg River Mine, Fort McMurray,” in: 63rd Canadian Geotechnical Conference and 6th Canadian Permafrost Conference, Calgary, Alberta, September 12-16, 2010. Ottawa: Canadian Geotechnical Society.

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