La Houille Blanche
Number 3-4, Juin 1989
|Page(s)||247 - 256|
|Published online||01 October 2009|
Eaux glaciaires, transports solides et décantation en hydro-électricité
Glacial waters, carriage of solid materials and decantation in hydro-electricity
Grande Dixence S.A., Sion
Grande Dixence S.A., is a large hydro-electric scheme in the mountains. It was built and operated since 1953-1965: 27 sand and gravel traps of the GD-EdF type, 10 gravel traps, 11 classical sand traps.
The study presents a synthesis of experiences done in this field as well as those made on an original floating water intake of a compensating basin with a water-level variation of 30 m.
Finally, it is presented the actually conception of a river water intake and sand trap with a transversal through flow the possible future ameliorations on sand traps.
© Société Hydrotechnique de France, 1989
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