A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Regurlarly dredged materials in harbour waters, in order to maintain accessibility, are mainly composed of cohesive mud. Usually, they have to be rejected into the sea. On a theoritical point of view, the behavior of this kind of rejects still remains unclear, and subjected to many questions. Experiments are carried out in physical modelling flumes to study their behavior on a short time scale. Different results are presented here, and especially a “heavy liquor” one will be detailed. We point out that the deposition rate mainly depends on the initial yield value of the rejected material. Two models of numerical simulations are studied. Their analysis show they have to be used with care for mud rejects in shallow waters submitted to marine currents.
Regurlarly dredged materials in harbour waters, in order to maintain accessibility, are mainly composed of cohesive mud. Usually, they have to be rejected into the sea. On a theoritical point of view, the behavior of this kind of rejects still remains unclear, and subjected to many questions. Experiments are carried out in physical modelling flumes to study their behavior on a short time scale. Different results are presented here, and especially a “heavy liquor” one will be detailed. We point out that the deposition rate mainly depends on the initial yield value of the rejected material. Two models of numerical simulations are studied. Their analysis show they have to be used with care for mud rejects in shallow waters submitted to marine currents.
Le clapage des produits de dragage
Boutin, Roland (author)
Revue Française de Génie Civil ; 5 ; 1085-1104
2001-10-01
20 pages
Article (Journal)
Electronic Resource
Unknown
dredged , environment , mud , cohesion , port , laboratory , flume , radioactive marker , density current , dragage , environnement , vase , cohésif , dragues aspiratrices en marche , laboratoire , canal , traceurs radioactifs , courant de densité
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