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Résumé :
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Model studies on 1.6- and 2.4-ft-wide (490 and 730 mm) type VI stilling basins were conducted to modify existing standard design procedures. Investigations were concerned with: basin entrance flow conditions including type of entrance, slope, velocity, and Froude number; basin dimensions in relation to the basin width; basin width in relation to Froude number; and riprap size and location. Performance was evaluated in terms of energy dissipation and prototype operation. An optimum tailwater, an alternate end sill design, methods of preventing clogging of the basin, and means for automatic removal of sediment from the basin were suggested.
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