Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Coastal Protection Degradation Scenarios
This chapter is dedicated to the systems of protection against marine floods and, more particularly, it concerns earth fill or mixed dikes which constitute the major part of these protections. Most dikes are earth fill structures (ranging from silt to sand, and sometimes even gravel). Their composition can be explained mainly by the history of their construction and geographic position. Coastal dikes are situated in a specific environmental context characterized by often specific cyclic stresses (swell, tides, and high levels due to storms) capable of generating specific dike failure mechanisms. The overtopping of coastal dikes by series of waves resulting from storm surges against the coast can generate considerable external erosion on the rear slopes of dikes, even before they are submerged by overflows. When the dike is immersed (high tide, storm), water flows through the core of fill dikes and through the foundation soil.
Coastal Protection Degradation Scenarios
This chapter is dedicated to the systems of protection against marine floods and, more particularly, it concerns earth fill or mixed dikes which constitute the major part of these protections. Most dikes are earth fill structures (ranging from silt to sand, and sometimes even gravel). Their composition can be explained mainly by the history of their construction and geographic position. Coastal dikes are situated in a specific environmental context characterized by often specific cyclic stresses (swell, tides, and high levels due to storms) capable of generating specific dike failure mechanisms. The overtopping of coastal dikes by series of waves resulting from storm surges against the coast can generate considerable external erosion on the rear slopes of dikes, even before they are submerged by overflows. When the dike is immersed (high tide, storm), water flows through the core of fill dikes and through the foundation soil.
Coastal Protection Degradation Scenarios
Aït‐Mokhtar, Abdelkarim (Herausgeber:in) / Millet, Olivier (Herausgeber:in) / Poulain, Daniel (Autor:in) / Tourment, Rémy (Autor:in)
12.06.2015
62 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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