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A concrete-face rock-fill dam (CFRD) is a rock-fill dam with concrete slabs on its upstream face. This design provides the concrete slab as an impervious wall to prevent leakage and also a structure without concern for uplift pressure. In addition, the CFRD design is flexible for topography, faster to construct and less costly than earth-fill dams.
Concrete-face rock-fill dams (118 P) Pages in category "Rock-filled dams" The following 183 pages are in this category, out of 183 total.
Pages in category "Concrete-face rock-fill dams" The following 118 pages are in this category, out of 118 total. This list may not reflect recent changes. A.
The dam wall constructed with 1,048 cubic metres (37,000 cu ft) of concrete faced rockfill is 66 metres (217 ft) high and 484 metres (1,588 ft) long. The maximum water depth is 52 metres (171 ft) and at 100% capacity the dam wall holds back 397,370 megalitres (14,033 × 10 ^ 6 cu ft) of water at 449 metres (1,473 ft) AHD .
The following table lists the largest man-made dams by volume of fill/structure. By general definition, a dam is a barrier that impounds water or underground streams, hence tailings dams are relegated to a separate list.
Mohale Dam is a concrete faced rock-fill dam in Lesotho. It is the second dam, under Phase 1B of the series of dams of the proposed Lesotho Highlands Water Project (LHWP), which will eventually include five large dams in remote rural areas of Lesotho and South Africa. [1] The project has been built at a cost of US$1.5 billion. [2]
The rebuilt upper reservoir of the Taum Sauk plant, nearing completion in this photo, is the largest RCC dam in North America. [1]Roller-compacted concrete (RCC) or rolled concrete (rollcrete) is a special blend of concrete that has essentially the same ingredients as conventional concrete but in different ratios, and increasingly with partial substitution of fly ash for portland cement. [2]
The dam's spillway is a concrete overflow structure to the left side, equipped with nine openings each 15 feet (4.6 m) wide and 28 feet (8.5 m) high, able to pass a flow exceeding 30,000 cubic feet per second (850 m 3 /s). This spillway has only been used a few times, such as the floods of 1938, 1969, 1983, 1998, 2005 and 2011.
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