Although hundreds of stilling basisns and energy-dissipating devices have been designed in conjunction with spillways, outlet works, and canal structures, it is often necessary to make model studies of individual structures to be certain that these will operate as anticipated. The reason for these repetitive tests is that a factor of uncertainty exists regarding the overall performance characteristics of energy dissipators. The many laboratory studies made on individual structures over a period of years have been made by different personnel, for different groups of designers, each structure having different allow- able design limitations. Since no two structures were exactly alike, attempts to generalize the assembled data resulted in sketchy and, at times, inconsistent results having only vague connecting links. Extensive library research into the works of others revealed the fact that the necessary correlation facts are nonexistent.
Contents of the Book
1. General Investigation of the Hydraulic Jump on Horizontal Aprons
2. Stilling Basin for high Dam and earth Dam spillways and large canal Structures
3. Short Stilling Basin for Canal Structures, Small Outlet Works, and Small Spillways
4. Stilling Basin Design and Wave Suppressors for canal structures, outlet works and diversion Dams
5. Stilling Basin with sloping Apron
6. Stilling Basin for pipe or open channel outlets
7. Slotted and solid Buckets for high, medium, and low dam spillways
8. Hydraulic Design of Hollow-jet valve Stilling Basins
9. Baffled Apron for Canal or Spillway Drops
10. Improved Tunnel Spillway Flip Buckets
11. Size of Riprap to be used downstream from stilling basins
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