LeHavreV1, Main, Exploration, bibRecord, 001823

Use of the indium 113 in the laboratory to improve our knowledge on the behavior of the discharges of muddy dredged material

Identifieur interne : 001823 ( Main/Exploration ); précédent : 001822; suivant : 001824

Use of the indium 113 in the laboratory to improve our knowledge on the behavior of the discharges of muddy dredged material

Auteurs : R. Boutin [France] ; P. Brisset [France]

Source :

Récents progrès en génie des procédés

RBID : Pascal:01-0435950

Descripteurs français

Pascal (Inist)
- Port maritime, Dragage, Matériau dragué, Sédiment, Boue, Rejet en mer, Comportement, Technique traceur, Traceur radioactif, Indium 113, Etude expérimentale.
Wicri :
- topic : Dragage.

English descriptors

KwdEn :
- Behavior, Dredging, Experimental study, Indium 113, Mud, Offshore discharge, Radioactive tracers, Seaport, Sediments, Tracer technique, dredged materials.

Abstract

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 types of wastes were studied. The sediment which is used is a natural mud from Le Havre sifted at 125 μm. The presence of cohesive fraction makes difficult the spatial follow-up of these materials. Thanks to its labeling with indium 113m, the concentration of the turbid cloud in various places of the surface as well of the bottom can be seen with scintillation probes. 42 experiments were realized and 31 probes were mobilized. After a presentation of the experimental procedure, the methodology of treatment and analyses of the experimental data is described. Different results are also presented. We shall show that for the studied phenomena, the radioactive tracers are one of best means of study.

Affiliations:

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 000338
to stream PascalFrancis, to step Curation: 000027
to stream PascalFrancis, to step Checkpoint: 000335
to stream Main, to step Merge: 001869
to stream Main, to step Curation: 001823

Le document en format XML

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<s2>00309 Armées</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
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<country>France</country>
<wicri:noRegion>00309 Armées</wicri:noRegion>
<wicri:noRegion>15 rue de Laborde</wicri:noRegion>
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<author><name sortKey="Brisset, P" sort="Brisset, P" uniqKey="Brisset P" first="P." last="Brisset">P. Brisset</name>
<affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Commissariat à l'énergie atomique, Département des applications et de la métrologie, service des applications des radioéléments, BP52</s1>
<s2>91193 Gif-sur Yvette Cedex</s2>
<s3>FRA</s3>
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<country>France</country>
<placeName><region type="region" nuts="2">Île-de-France</region>
<settlement type="city">Gif-sur Yvette</settlement>
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<s3>FRA</s3>
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<term>Indium 113</term>
<term>Mud</term>
<term>Offshore discharge</term>
<term>Radioactive tracers</term>
<term>Seaport</term>
<term>Sediments</term>
<term>Tracer technique</term>
<term>dredged materials</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Port maritime</term>
<term>Dragage</term>
<term>Matériau dragué</term>
<term>Sédiment</term>
<term>Boue</term>
<term>Rejet en mer</term>
<term>Comportement</term>
<term>Technique traceur</term>
<term>Traceur radioactif</term>
<term>Indium 113</term>
<term>Etude expérimentale</term>
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<front><div type="abstract" xml:lang="en">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 types of wastes were studied. The sediment which is used is a natural mud from Le Havre sifted at 125 μm. The presence of cohesive fraction makes difficult the spatial follow-up of these materials. Thanks to its labeling with indium 113m, the concentration of the turbid cloud in various places of the surface as well of the bottom can be seen with scintillation probes. 42 experiments were realized and 31 probes were mobilized. After a presentation of the experimental procedure, the methodology of treatment and analyses of the experimental data is described. Different results are also presented. We shall show that for the studied phenomena, the radioactive tracers are one of best means of study.</div>
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<name sortKey="Brisset, P" sort="Brisset, P" uniqKey="Brisset P" first="P." last="Brisset">P. Brisset</name>
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Use of the indium 113 in the laboratory to improve our knowledge on the behavior of the discharges of muddy dredged material

Use of the indium 113 in the laboratory to improve our knowledge on the behavior of the discharges of muddy dredged material

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri