Economic Considerations in Selection of a Roller Compacted Concrete Dam

by Charles V. Logie, P.E., (M.ASCE), Dames & Moore, Earth Structures, Design Div, Phoenix, AZ, USA,

Document Type: Proceeding Paper

Part of: Roller Compacted Concrete


Roller compacted concrete (RCC) has recently emerged as an economically attractive material for gravity dam construction, replacing the use of conventional concrete and even challenging the economics of earthfill and rockfill embankment dams. The economics of RCC dam construction are examined. The major design and construction factors considered during dam-type selection and design are discussed. The case study of the Pamo Dam, a 264-foot high, all RCC gravity dam, to be built near San Diego, California is used as an example of the effective utilization of the economic advantage of RCC. Spillway hydraulics, construction material resources, and other site-specific areas are examined in relation to the economics of RCC gravity dam design and construction.

Subject Headings: Roller-compacted concrete | Concrete dams | Construction materials | Economic factors | Compaction (material) | Earthfill dams | Construction sites | Gravity dams | California | United States

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