La Houille Blanche
Number 6, Août 1997
|Page(s)||54 - 57|
|Published online||01 August 2009|
Evolution dans le temps de l'envasement dans une retenue de barrage dans lequel est pratiquée la technique du soutirage
Evolution in time of the sedimentation in a reservoir of dam in which is practised the technical of the drawing off
Institut de Génie rural, Université de Blida, Algérie
2 UFR de Géographie, ULP de Strasbourg
3 ENP Alger, Algérie
The evolution of deposits to the sediments (drained by the density currents) in the reservoirs of dams in Algeria is approached by four initial situations: feeble or strong rate of the filling, gate of the bottom obturated and raising of dyke.
The results obtained show thot the drawing off to the solid particles by the use of the sluices of draining influence on the progress of the sedimentation in the basin. Into action, in the beginning of the exploitation of dam, the sedimentation perform linearly with time, but as soon as the roof of mud reaches gates threshofd, the function of sedimentation takes a polynomial form of second degree.
© Société Hydrotechnique de France, 1997
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