Frozen Dams in Permafrost Regions - Mine Water Solutions

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Case Study: Garrow Lake, Canada• Constructed: winter 1990-1991Source: Donald 2010• Construction Technique: Winterconstruction; near saturated materialplaced in thin lifts.• Performance: Exceeded expectationsSource: EBA 1998
North Dam (Hope Bay), CanadaConstructed: 2011-2012Dimensions: 200m long, ~10m highConstruction Technique: Winter core construction, Rock slurry placed in thin liftsFreezing Apparatus: Horizontal thermosyphonsFoundations Conditions: ice-rich saline glacial marine siltand clay or fine sand overburdenPerformance: Satisfactory, to-dateLEGENDSummer Construction, Active Freezing Summer Construction, Passive Freezing Winter Construction, Passive Freezing
Page 1 and 2: Frozen Dams inPermafrost RegionsMeg
Page 3 and 4: DefinitionFrozen Core Dam: A dam in
Page 5: Frozen Dams Throughout HistoryPrima
Page 8 and 9: Case Study: Petrovsk Dam, Russia•
Page 10 and 11: Case Study: Irelyakh River Dam, Rus
Page 12 and 13: Case Study: Anadyr’, RussiaConstr
Page 16 and 17: North Dam - Design Components
Page 18 and 19: North Dam - Thermal AnalysisMid-Dec
Page 20 and 21: North Dam - Core Material• Winter
Page 22 and 23: Lessons Learnt - North Dam Construc
Page 24: Questions?

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