Frozen Dams in Permafrost Regions - Mine Water Solutions

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Case Study: Anadyr’, RussiaConstructed: 1976Dimensions: 17 m high, 1,300 m longConstruction Technique: Near saturated material placed in summer and leftto freeze during the following winter; built in two liftsFreezing Apparatus: Passive cooling pipesFoundations Conditions: Sandy gravelly soil with30-80% ice, over frozen clay loamLEGENDSummer Construction, Active Freezing Summer Construction, Passive Freezing Winter Construction, Passive Freezing
1990s and 2000sPurpose: Water retaining dams for tailings facilitiesConstruction Trend: Winter with passive freezing, material placed in thinlifts, freezing between liftsFreezing apparatus: Thermosyphons (Vertical, horizontal, sloped)Dams Include:Garrow LakeBearclaw (Ekati)Panda Diversion (Ekati) RaglanNorth (Hope Bay)KubakaWest (Jericho)Leslie Long Lake (Ekati)LEGENDSummer 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 14 and 15: Case Study: Garrow Lake, Canada•
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?

Frozen Dams in Permafrost Regions - Mine Water Solutions

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