 With the gates raised, uplift pressures were assumed to vary from full reservoir pressure at the upstream face of the weir to zero or tailwater pressure at the downstream toe, and to be effective over two-thirds the horizontal area.  Dams and Control Works - Page 92by United States. Bureau of Reclamation - 1938Full view - About this book
 | Arch dams - 1947 - 364 pages
...position. A friction coefficient of 0.65 for concrete on rock or concrete was used. With the gates raised, uplift pressures were assumed to vary from full reservoir pressure at the upstream face of the weir to zero or tailwater pressure at the downstream toe, and to be effective over two-thirds the horizontal... | |
 | Tennessee Valley Authority. Office of Chief Engineer - Dams - 1950 - 502 pages
...design analyses this assumption was stated as follows: * Uplift pressures .vary as, a straight line from full reservoir pressure at the upstream face of the dam to zero pressure at the downstream face, or to tailwater pressure at locations where the plane being analyzed... | |
 | United States. Bureau of Reclamation - Arch dams - 1947 - 368 pages
...position. A friction coefficient of 0.65 for concrete on rock or concrete was used. With the gates raised, uplift pressures were assumed to vary from full reservoir pressure at the upstream face of the weir to zero or tailwater pressure at the downstream toe, and to be effective over two-thirds the horizontal... | |
 | United States. Bureau of Reclamation - Land use - 598 pages
...temperature variation was assumed for arches below tailwater. 2. Uplift pressures vary as a straight line from full reservoir pressure at the upstream face of the dam to zero or tailwater pressure at the downstream face. 3. Uplift pressures act over one-half the horizontal... | |
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