Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Hydraulic Model Study of Brantley Dam Spillway
Hydraulic model studies on the spillway at Brantley Dam in New Mexico confirmed the design of the spillway, slotted bucket energy dissipator, and the spillway tailwater channel. Side piers at the spillway entrance were modified to improve spillway flow; and rating curves were obtained for spillway discharge versus reservoir elevation for both free flow and various gate openings. Sediment deposits, immediately upstream from the spillway, were also investigated. Spillway approach velocities washed sediment over the spillway, with minor lowering of the spillway discharge. The slotted bucket energy dissipater worked very well. Immediately downstream from the energy dissipater, the tailwater channel was excavated out of bedrock; and then transitioned upwards to the bottom of the outlet channel. The maximum discharge readily eroded the flood plain downstream from the energy dissipater. A riprapped berm on each side of the tailwater channel protected the dam against erosion.
Hydraulic Model Study of Brantley Dam Spillway
Hydraulic model studies on the spillway at Brantley Dam in New Mexico confirmed the design of the spillway, slotted bucket energy dissipator, and the spillway tailwater channel. Side piers at the spillway entrance were modified to improve spillway flow; and rating curves were obtained for spillway discharge versus reservoir elevation for both free flow and various gate openings. Sediment deposits, immediately upstream from the spillway, were also investigated. Spillway approach velocities washed sediment over the spillway, with minor lowering of the spillway discharge. The slotted bucket energy dissipater worked very well. Immediately downstream from the energy dissipater, the tailwater channel was excavated out of bedrock; and then transitioned upwards to the bottom of the outlet channel. The maximum discharge readily eroded the flood plain downstream from the energy dissipater. A riprapped berm on each side of the tailwater channel protected the dam against erosion.
Hydraulic Model Study of Brantley Dam Spillway
E. R. Zeigler (Autor:in)
1987
46 pages
Report
Keine Angabe
Englisch
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