Abstract
An agreement was signed on August 11, 1927, between Spain and Portugal, on the development of the river Duero along the section which is common to both countries. The Spanish government gave the firm Iberduero, S. A., the right to exploit the river between the rivers Tormes and Huebra. It would seem that the hydroelectric exploitation of a river with a slope of 0.372% should best be accomplished by means of pressure conduits. But the volume of water involved the urgent demand for electric power and the geological and topographical conditions of the valley counselled the adoption of systems of dams and power stations at each dam. The Aldeadavila dam is a thick vaulted dam. Its height is 140 ms, with a surface spillway. It has 8 circular sluice gates, 14 x 8.30 m each, and a reserve height of 5 m. The capacity of the dam is 115 x 10 6 m 3 of water. The power station is below the ground, and has 6 generators, each of 142.500 KVA. This article describes in detail the construction and characteristics of this very important project.
Highlights
Con los embalses de Ricobayo y el proyectado sobre el río Tormes se ha logrado regularizar, parcialmente, el régimen fluvial
In diesem Artikel werden die Zahlen, Charakteristiken und Bauwesen von so wichtig Bau beschrieben
Summary
Cu. Además se previo una altura suplementaria para el resguardo y guiar la lámina vertida en régimen laminar sobre el intradós de la bóveda, terminando en salto de eskí, con lo que se logra una disipación de energía en una zona alejada del pie de cimientos y, por ello, sin peligro de socavación de los mismos. La repartición uniforme de la carga de la lámina vertiente sobre el paramento se logró con muretes que parten de los que separan las compuertas, continuados hasta la parte inferior de la presa. Los caudales mínimos de desagüe exigidos por los Convenios internacionales se han conseguido con una galería revestida, perforada en la zona portuguesa, con una capacidad, en régimen libre, de 1.450 m'/s, y en carga, de 2.800 mVs, que restituye las aguas al río
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