| 摘要 |
<p>The invention relates to a marine barrage structure that maintains a small differential hydraulic head for the purpose of extracting energy from a tidal estuary or other body of tidal water. The structure is installed across an estuary and comprises a foundation part 7 in the form of a shallow pre-cast concrete caisson or cellular frame and hydraulic turbine mounting parts 5 and 11 which are installed over the foundation part 7. The caissons may be buoyant and retained in position by piles or anchorages such that the caissons containing the turbines may rise and fall with the tide. An additional crest element 3 may also be incorporated. Island structures (2 figure 3) may be positioned intermediate the caissons on which wind turbines (3 figure 3) may be placed.</p> |
