Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Stability of Tidal Inlet Navigation Channels and Adjacent Dredge Spoil Islands
The ultimate location for the disposal of sand dredged from the vicinity of tidal inlets is a compromise between environmental and economic concerns. Grande‐Entrée Inlet on Iles‐de‐la‐Madeleine in the Gulf of St. Lawrence is used to evaluate a tidal inletartificial island system. The cross‐sectional area of this inlet is 2960 m2 and the tidal prism is 64.1 × 106 m3. Escoffier's concept of critical cross‐sectional area shows that Grande‐Entrée Inlet is stable under natural as well as dredged conditions. The stability of the dredge spoil artificial island is assessed by comparing beach profiles and shoreline changes. The stability of the inlet‐island system results from the fact that the tidal inlet is stable and the dredge spoil artificial island was placed on a pre‐existing shoal. The dredging of the navigation channel confines the tidal flow so that the tidal inlet and the artificial island can be close to each other without interfering.
Stability of Tidal Inlet Navigation Channels and Adjacent Dredge Spoil Islands
The ultimate location for the disposal of sand dredged from the vicinity of tidal inlets is a compromise between environmental and economic concerns. Grande‐Entrée Inlet on Iles‐de‐la‐Madeleine in the Gulf of St. Lawrence is used to evaluate a tidal inletartificial island system. The cross‐sectional area of this inlet is 2960 m2 and the tidal prism is 64.1 × 106 m3. Escoffier's concept of critical cross‐sectional area shows that Grande‐Entrée Inlet is stable under natural as well as dredged conditions. The stability of the dredge spoil artificial island is assessed by comparing beach profiles and shoreline changes. The stability of the inlet‐island system results from the fact that the tidal inlet is stable and the dredge spoil artificial island was placed on a pre‐existing shoal. The dredging of the navigation channel confines the tidal flow so that the tidal inlet and the artificial island can be close to each other without interfering.
Stability of Tidal Inlet Navigation Channels and Adjacent Dredge Spoil Islands
Aubrey, David G. (Herausgeber:in) / Weishar, Lee (Herausgeber:in) / Drapeau, Georges (Autor:in)
01.01.1988
19 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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