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Concrete Face Rockfill Dams of the Winneke Project

by R. Casinader,
R. E. Watt,



Document Type: Proceeding Paper

Part of: Concrete Face Rockfill Dams?Design, Construction, and Performance

Abstract:

Two of the three dams forming the Winneke Reservoir, near Melbourne, Australia, are concrete face rockfill dams. A minor dam forming the sludge storage pond for the project's water treatment plant is also faced with concrete, but placed by shotcrete techniques. The paper describes the reasons for selecting this type of dam and unusual features of the design and construction. These features include the use of weathered rock as fill, a cut-off in weathered rock, an unusual form of plinth for one dam, formation of curved and warped concrete facings, and the phasing of construction. The performance of the dams has been very satisfactory. Initial seepage was 58 L/s and has now reduced to 32 L/s due to either sealing of cracks in the face or staunching of joints in the foundation.

Subject Headings: Concrete dams | Rockfill dams | Rock fills | Reservoirs | Infrastructure construction | Weathering | Water treatment plants | Australia | Victoria (Australia)

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