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DRAGUE HYDRAULIQUE [17 records]
Record 1 - internal organization data 2023-10-31
Record 1, English
Record 1, Subject field(s)
- Commercial Fishing
Record 1, Main entry term, English
- hydraulic dredge
1, record 1, English, hydraulic%20dredge
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
A dredge is a cage-like structure often equipped with a scraper blade or teeth on its lower part, either pulled or towed to dig animals out of [the] substrate and lift them into the cage or bag. ... Hydraulic dredges use extensive accessory gear such as hoses and pumps and are either towed across the seabed slowly by boat or by winching a warp attached to an anchor. 2, record 1, English, - hydraulic%20dredge
Record number: 1, Textual support number: 1 PHR
hydraulic clam dredge 3, record 1, English, - hydraulic%20dredge
Record 1, French
Record 1, Domaine(s)
- Pêche commerciale
Record 1, Main entry term, French
- drague hydraulique
1, record 1, French, drague%20hydraulique
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Une drague est une structure en forme de cage, souvent pourvue d’une lame ou de dents de raclage dans sa partie inférieure, et qui est tirée ou remorquée pour déterrer les animaux enfouis dans le substrat et les capturer dans une cage ou un sac. [...] Les dragues hydrauliques utilisent [...] de nombreux engins accessoires, tels que des tuyaux et des pompes. Elles sont soit remorquées lentement sur le fond marin par un bateau, soit treuillées par une fune attachée à une ancre. 2, record 1, French, - drague%20hydraulique
Record number: 1, Textual support number: 1 PHR
drague à palourde hydraulique 3, record 1, French, - drague%20hydraulique
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2023-01-27
Record 2, English
Record 2, Subject field(s)
- Archaeology
Record 2, Main entry term, English
- water induction dredge
1, record 2, English, water%20induction%20dredge
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- water dredge 1, record 2, English, water%20dredge
correct
- hydraulic dredge 2, record 2, English, hydraulic%20dredge
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
The water- or induction dredge is similar to the airlift except that it operates more or less horizontally, and it is water rather than air that is pumped in at the mouth. ... The water dredge can have a flexible tube attached to the suction end to reach difficult places and increase mobility ... 3, record 2, English, - water%20induction%20dredge
Record 2, French
Record 2, Domaine(s)
- Archéologie
Record 2, Main entry term, French
- suceuse hydraulique
1, record 2, French, suceuse%20hydraulique
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- suceuse à eau 2, record 2, French, suceuse%20%C3%A0%20eau
correct, feminine noun
- drague hydraulique 2, record 2, French, drague%20hydraulique
correct, feminine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
Pour évacuer les déblais, le mieux, et de loin, est d’employer un type ou un autre d’aspirateur dans lequel on introduit les déblais et qui les transporte directement jusqu’à la décharge. Le dispositif le plus simple est la suceuse hydraulique dont le fonctionnement technique est expliqué par la figure 5. 3, record 2, French, - suceuse%20hydraulique
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2017-03-14
Record 3, English
Record 3, Subject field(s)
- Dredging
Record 3, Main entry term, English
- hydraulic hopper dredge
1, record 3, English, hydraulic%20hopper%20dredge
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
Three main types of dredges are used in the St. Lawrence River and the Great Lakes: mechanical clamshell dredges, hydraulic dustpan dredges and hydraulic hopper dredges. 1, record 3, English, - hydraulic%20hopper%20dredge
Record 3, French
Record 3, Domaine(s)
- Dragage
Record 3, Main entry term, French
- drague hydraulique suceuse-porteuse
1, record 3, French, drague%20hydraulique%20suceuse%2Dporteuse
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
Trois principaux types de dragues œuvrent dans le Saint-Laurent et les Grands Lacs, soit les dragues mécaniques à benne preneuse, les dragues hydrauliques suceuses-refouleuses et les dragues hydrauliques suceuses-porteuses. 1, record 3, French, - drague%20hydraulique%20suceuse%2Dporteuse
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2017-03-14
Record 4, English
Record 4, Subject field(s)
- Dredging
Record 4, Main entry term, English
- hydraulic dustpan dredge
1, record 4, English, hydraulic%20dustpan%20dredge
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
Three main types of dredges are used in the St. Lawrence River and the Great Lakes: mechanical clamshell dredges, hydraulic dustpan dredges and hydraulic hopper dredges. 1, record 4, English, - hydraulic%20dustpan%20dredge
Record 4, French
Record 4, Domaine(s)
- Dragage
Record 4, Main entry term, French
- drague hydraulique suceuse-refouleuse
1, record 4, French, drague%20hydraulique%20suceuse%2Drefouleuse
correct, feminine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
Trois principaux types de dragues œuvrent dans le Saint-Laurent et les Grands Lacs, soit les dragues mécaniques à benne preneuse, les dragues hydrauliques suceuses-refouleuses et les dragues hydrauliques suceuses-porteuses. 1, record 4, French, - drague%20hydraulique%20suceuse%2Drefouleuse
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2001-02-21
Record 5, English
Record 5, Subject field(s)
- Dredging
Record 5, Main entry term, English
- portable hydraulic dredge
1, record 5, English, portable%20hydraulic%20dredge
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 CONT
Mudcat (horizontal auger dredge). A portable hydraulic dredge mounted on pontoons, the Mudcat features an auger-like cutting device that feeds slurry to the suction intake of a centrifugal pump. 1, record 5, English, - portable%20hydraulic%20dredge
Record 5, French
Record 5, Domaine(s)
- Dragage
Record 5, Main entry term, French
- drague hydraulique portative
1, record 5, French, drague%20hydraulique%20portative
correct, feminine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 CONT
Drague à tarière horizontale(Mudcat). La drague à tarière horizontale est une drague hydraulique portative montée sur un ponton et munie d’un désagrégateur en forme de tarière qui achemine la boue liquide par une pompe centrifuge. 1, record 5, French, - drague%20hydraulique%20portative
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 2001-01-09
Record 6, English
Record 6, Subject field(s)
- Dredging
Record 6, Main entry term, English
- horizontal auger dredge
1, record 6, English, horizontal%20auger%20dredge
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
- Mudcat 2, record 6, English, Mudcat
trademark
Record 6, Textual support, English
Record number: 6, Textual support number: 1 CONT
Mudcat (horizontal auger dredge). A portable hydraulic dredge mounted on pontoons, the Mudcat features an auger-like cutting device that feeds slurry to the suction intake of a centrifugal pump. 2, record 6, English, - horizontal%20auger%20dredge
Record 6, French
Record 6, Domaine(s)
- Dragage
Record 6, Main entry term, French
- drague à tarière horizontale
1, record 6, French, drague%20%C3%A0%20tari%C3%A8re%20horizontale
correct, feminine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
- Mudcat 2, record 6, French, Mudcat
trademark, masculine noun
- drague à tarière horizontale «Mudcat» 2, record 6, French, drague%20%C3%A0%20tari%C3%A8re%20horizontale%20%C2%ABMudcat%C2%BB
feminine noun
Record 6, Textual support, French
Record number: 6, Textual support number: 1 CONT
Drague à tarière horizontale(Mudcat). La drague à tarière horizontale est une drague hydraulique portative montée sur un ponton et munie d’un désagrégateur en forme de tarière qui achemine la boue liquide par une pompe centrifuge. 2, record 6, French, - drague%20%C3%A0%20tari%C3%A8re%20horizontale
Record 6, Spanish
Record 6, Textual support, Spanish
Record 7 - internal organization data 2000-07-26
Record 7, English
Record 7, Subject field(s)
- Dredging
Record 7, Main entry term, English
- hydraulic dredge pipeline
1, record 7, English, hydraulic%20dredge%20pipeline
correct
Record 7, Abbreviations, English
Record 7, Synonyms, English
Record 7, Textual support, English
Record number: 7, Textual support number: 1 CONT
However, immobilized dredges and barges at work sites and hydraulic dredge pipelines can temporarily disturb navigation. 1, record 7, English, - hydraulic%20dredge%20pipeline
Record 7, French
Record 7, Domaine(s)
- Dragage
Record 7, Main entry term, French
- pipeline de drague hydraulique
1, record 7, French, pipeline%20de%20drague%20hydraulique
correct, masculine noun
Record 7, Abbreviations, French
Record 7, Synonyms, French
Record 7, Textual support, French
Record number: 7, Textual support number: 1 CONT
Les dragues et barges immobilisées sur le site des travaux, de même que les pipelines des dragues hydrauliques peuvent toutefois constituer des nuisances temporaires pour la navigation. 1, record 7, French, - pipeline%20de%20drague%20hydraulique
Record 7, Spanish
Record 7, Textual support, Spanish
Record 8 - internal organization data 2000-07-17
Record 8, English
Record 8, Subject field(s)
- Dredging
Record 8, Main entry term, English
- overflow hopper dredge 1, record 8, English, overflow%20hopper%20dredge
Record 8, Abbreviations, English
Record 8, Synonyms, English
Record 8, French
Record 8, Domaine(s)
- Dragage
Record 8, Main entry term, French
- drague hydraulique suceuse-porteuse avec surverse
1, record 8, French, drague%20hydraulique%20suceuse%2Dporteuse%20avec%20surverse
feminine noun
Record 8, Abbreviations, French
Record 8, Synonyms, French
Record 8, Textual support, French
Record 8, Key term(s)
- drague suceuse-porteuse avec surverse
- drague suceuse porteuse avec surverse
- drague hydraulique suceuse porteuse avec surverse
Record 8, Spanish
Record 8, Textual support, Spanish
Record 9 - internal organization data 2000-07-17
Record 9, English
Record 9, Subject field(s)
- Dredging
Record 9, Main entry term, English
- nonoverflow hopper dredge 1, record 9, English, nonoverflow%20hopper%20dredge
Record 9, Abbreviations, English
Record 9, Synonyms, English
Record 9, Key term(s)
- non overflow hopper dredge
- non-overflow hopper dredge
Record 9, French
Record 9, Domaine(s)
- Dragage
Record 9, Main entry term, French
- drague hydraulique suceuse-porteuse sans surverse
1, record 9, French, drague%20hydraulique%20suceuse%2Dporteuse%20sans%20surverse
feminine noun
Record 9, Abbreviations, French
Record 9, Synonyms, French
Record 9, Textual support, French
Record 9, Key term(s)
- drague hydraulique suceuse porteuse sans surverse
Record 9, Spanish
Record 9, Textual support, Spanish
Record 10 - internal organization data 2000-03-06
Record 10, English
Record 10, Subject field(s)
- Water Supply
Record 10, Main entry term, English
- raw water intake
1, record 10, English, raw%20water%20intake
correct
Record 10, Abbreviations, English
Record 10, Synonyms, English
Record 10, Textual support, English
Record number: 10, Textual support number: 1 CONT
Monitoring of water quality during capital and maintenance dredging with a cutterhead dredge in the Bécancour harbour between 1983 and 1984 showed that the critical suspended solids concentration threshold of 100 mg/L was rarely exceeded close to the raw water intake of the Gentilly nuclear power plant 1 km downstream. 1, record 10, English, - raw%20water%20intake
Record 10, French
Record 10, Domaine(s)
- Alimentation en eau
Record 10, Main entry term, French
- prise d’eau brute
1, record 10, French, prise%20d%26rsquo%3Beau%20brute
correct, feminine noun
Record 10, Abbreviations, French
Record 10, Synonyms, French
Record 10, Textual support, French
Record number: 10, Textual support number: 1 CONT
Un suivi de la qualité de l'eau effectué lors des projets de dragage de capitalisation et d’entretien réalisés dans le port de Bécancour en 1983 et 1984 à l'aide d’une drague hydraulique à désagrégateur indique que le seuil critique de 100 mg/L de MES n’ a été dépassé qu'en de rares occasions à la proximité de la prise d’eau brute de la centrale nucléaire de Gentilly, située à 1 km en aval. 1, record 10, French, - prise%20d%26rsquo%3Beau%20brute
Record 10, Spanish
Record 10, Textual support, Spanish
Record 11 - internal organization data 2000-01-25
Record 11, English
Record 11, Subject field(s)
- Dredging
Record 11, Main entry term, English
- tremie tube
1, record 11, English, tremie%20tube
correct
Record 11, Abbreviations, English
Record 11, Synonyms, English
Record 11, Textual support, English
Record number: 11, Textual support number: 1 CONT
Submerged diffusers and tremie tubes. The main purpose of diffusers and tremie tubes is to decrease discharge velocity and turbulence of open-water disposal of material removed with a hydraulic dredge. 1, record 11, English, - tremie%20tube
Record number: 11, Textual support number: 2 CONT
When environmental conditions so warrant, special measures may be taken: a tremie tube may be used; a diffuser may be fitted to the end of the pipeline; or a skirt or barrier may be installed. 1, record 11, English, - tremie%20tube
Record 11, French
Record 11, Domaine(s)
- Dragage
Record 11, Main entry term, French
- tube à trémie
1, record 11, French, tube%20%C3%A0%20tr%C3%A9mie
correct, masculine noun
Record 11, Abbreviations, French
Record 11, Synonyms, French
Record 11, Textual support, French
Record number: 11, Textual support number: 1 CONT
Diffuseur submergé, déflecteurs ou tubes à trémie. Les diffuseurs, les déflecteurs, de type radial ou autre, ou les tubes à trémie ont pour but principal de réduire la vitesse et la turbulence associées au rejet en eaux libres des matériaux extraits par une drague hydraulique. 1, record 11, French, - tube%20%C3%A0%20tr%C3%A9mie
Record number: 11, Textual support number: 2 CONT
Lorsque les conditions du milieu le justifient, le rejet en eaux libres peut également faire l’objet de mesures particulières telles l’utilisation d’un tube à trémie ou d’un diffuseur adapté à l’extrémité du pipeline ou encore l’utilisation de jupes ou d’écrans de protection. 1, record 11, French, - tube%20%C3%A0%20tr%C3%A9mie
Record 11, Spanish
Record 11, Textual support, Spanish
Record 12 - internal organization data 1999-11-24
Record 12, English
Record 12, Subject field(s)
- Dredging
Record 12, Main entry term, English
- auger-like cutting device
1, record 12, English, auger%2Dlike%20cutting%20device
correct
Record 12, Abbreviations, English
Record 12, Synonyms, English
Record 12, Textual support, English
Record number: 12, Textual support number: 1 CONT
Mudcat (horizontal auger dredge). A portable hydraulic dredge mounted on pontoons, the Mudcat features an auger-like cutting device that feeds slurry to the suction intake of a centrifugal pump. 1, record 12, English, - auger%2Dlike%20cutting%20device
Record 12, Key term(s)
- auger like cutting device
- auger cutting device
Record 12, French
Record 12, Domaine(s)
- Dragage
Record 12, Main entry term, French
- désagrégateur en forme de tarière
1, record 12, French, d%C3%A9sagr%C3%A9gateur%20en%20forme%20de%20tari%C3%A8re
correct, masculine noun
Record 12, Abbreviations, French
Record 12, Synonyms, French
- désagrégateur à tarière 1, record 12, French, d%C3%A9sagr%C3%A9gateur%20%C3%A0%20tari%C3%A8re
correct, masculine noun
- tarière 1, record 12, French, tari%C3%A8re
feminine noun
Record 12, Textual support, French
Record number: 12, Textual support number: 1 CONT
Drague à tarière horizontale(Mudcat). La drague à tarière horizontale est une drague hydraulique portative montée sur un ponton et munie d’un désagrégateur en forme de tarière qui achemine la boue liquide par une pompe centrifuge. 1, record 12, French, - d%C3%A9sagr%C3%A9gateur%20en%20forme%20de%20tari%C3%A8re
Record 12, Spanish
Record 12, Textual support, Spanish
Record 13 - internal organization data 1999-11-09
Record 13, English
Record 13, Subject field(s)
- Environmental Studies and Analyses
Record 13, Main entry term, English
- sedimentation test
1, record 13, English, sedimentation%20test
correct
Record 13, Abbreviations, English
Record 13, Synonyms, English
Record 13, Textual support, English
Record number: 13, Textual support number: 1 CONT
When plans call for use of a hydraulic dredge, conduct a study in advance to determine optimum settling basin size and perform sedimentation tests to optimize basin retention period. 1, record 13, English, - sedimentation%20test
Record 13, French
Record 13, Domaine(s)
- Études et analyses environnementales
Record 13, Main entry term, French
- essai de sédimentation
1, record 13, French, essai%20de%20s%C3%A9dimentation
correct, masculine noun
Record 13, Abbreviations, French
Record 13, Synonyms, French
Record 13, Textual support, French
Record number: 13, Textual support number: 1 CONT
Dans les cas où l'utilisation d’une drague hydraulique est envisagée, effectuer une étude préalable de la taille optimale que devraient avoir les bassins de décantation ainsi que des essais de sédimentation pour optimiser le temps de séjour dans les bassins. 1, record 13, French, - essai%20de%20s%C3%A9dimentation
Record 13, Spanish
Record 13, Textual support, Spanish
Record 14 - internal organization data 1999-11-09
Record 14, English
Record 14, Subject field(s)
- Dredging
- Environment
Record 14, Main entry term, English
- basin retention period
1, record 14, English, basin%20retention%20period
correct
Record 14, Abbreviations, English
Record 14, Synonyms, English
Record 14, Textual support, English
Record number: 14, Textual support number: 1 CONT
Minimize sediment losses during disposal of dredged material. When plans call for use of a hydraulic dredge, conduct a study in advance to determine optimum settling basin size and perform sedimentation tests to optimize basin retention period. 1, record 14, English, - basin%20retention%20period
Record 14, French
Record 14, Domaine(s)
- Dragage
- Environnement
Record 14, Main entry term, French
- temps de séjour dans les bassins
1, record 14, French, temps%20de%20s%C3%A9jour%20dans%20les%20bassins
correct, masculine noun
Record 14, Abbreviations, French
Record 14, Synonyms, French
Record 14, Textual support, French
Record number: 14, Textual support number: 1 CONT
Minimaliser les pertes de sédiments pendant le dépôt des matériaux de dragage. Dans les cas où l'utilisation d’une drague hydraulique est envisagée, effectuer une étude préalable de la taille optimale que devraient avoir les bassins de décantation ainsi que des essais de sédimentation pour optimiser le temps de séjour dans les bassins. 1, record 14, French, - temps%20de%20s%C3%A9jour%20dans%20les%20bassins
Record 14, Spanish
Record 14, Textual support, Spanish
Record 15 - internal organization data 1999-05-17
Record 15, English
Record 15, Subject field(s)
- Titles of Monographs
- Commercial Fishing
Record 15, Main entry term, English
- Performance of the New England hydraulic dredge for the harvest of Stimpson's surf clams (Mactromeris polynyma)
1, record 15, English, Performance%20of%20the%20New%20England%20hydraulic%20dredge%20for%20the%20harvest%20of%20Stimpson%27s%20surf%20clams%20%28Mactromeris%20polynyma%29
correct, Canada
Record 15, Abbreviations, English
Record 15, Synonyms, English
Record 15, Textual support, English
Record number: 15, Textual support number: 1 OBS
Fisheries and Oceans Canada. Series: Canadian industry report of fisheries and aquatic sciences, 235. 1, record 15, English, - Performance%20of%20the%20New%20England%20hydraulic%20dredge%20for%20the%20harvest%20of%20Stimpson%27s%20surf%20clams%20%28Mactromeris%20polynyma%29
Record 15, French
Record 15, Domaine(s)
- Titres de monographies
- Pêche commerciale
Record 15, Main entry term, French
- Performance de la drague hydraulique de type Nouvelle-Angleterre pour la récolte de la mactre de Stimpson(Mactromeris polynyma)
1, record 15, French, Performance%20de%20la%20drague%20hydraulique%20de%20type%20Nouvelle%2DAngleterre%20pour%20la%20r%C3%A9colte%20de%20la%20mactre%20de%20Stimpson%28Mactromeris%20polynyma%29
correct, Canada
Record 15, Abbreviations, French
Record 15, Synonyms, French
Record 15, Textual support, French
Record number: 15, Textual support number: 1 OBS
Pêches et Océans Canada. Collection : Rapport canadien à l’industrie sur les sciences halieutiques et aquatiques, 235. 1, record 15, French, - Performance%20de%20la%20drague%20hydraulique%20de%20type%20Nouvelle%2DAngleterre%20pour%20la%20r%C3%A9colte%20de%20la%20mactre%20de%20Stimpson%28Mactromeris%20polynyma%29
Record 15, Spanish
Record 15, Textual support, Spanish
Record 16 - internal organization data 1993-10-22
Record 16, English
Record 16, Subject field(s)
- Shipbuilding Yards and Docks
- Shipbuilding
Record 16, Main entry term, English
- electric-hydraulic dredger
1, record 16, English, electric%2Dhydraulic%20dredger
correct
Record 16, Abbreviations, English
Record 16, Synonyms, English
Record 16, Textual support, English
Record number: 16, Textual support number: 1 DEF
Dredger using an external electric supply to power the electric motors used to drive hydraulic pumps for the hydraulic power transmission of the dredging machinery. 1, record 16, English, - electric%2Dhydraulic%20dredger
Record 16, French
Record 16, Domaine(s)
- Chantiers maritimes
- Constructions navales
Record 16, Main entry term, French
- drague électro-hydraulique
1, record 16, French, drague%20%C3%A9lectro%2Dhydraulique
correct, feminine noun
Record 16, Abbreviations, French
Record 16, Synonyms, French
Record 16, Textual support, French
Record number: 16, Textual support number: 1 DEF
Drague utilisant des moteurs électriques à alimentation extérieure pour entraîner les pompes hydrauliques pour la transmission hydraulique de la puissance aux équipements techniques. 1, record 16, French, - drague%20%C3%A9lectro%2Dhydraulique
Record 16, Spanish
Record 16, Textual support, Spanish
Record 17 - internal organization data 1989-12-30
Record 17, English
Record 17, Subject field(s)
- Dredging
- Civil Engineering
Record 17, Main entry term, English
- overflow dredging 1, record 17, English, overflow%20dredging
Record 17, Abbreviations, English
Record 17, Synonyms, English
Record 17, Textual support, English
Record number: 17, Textual support number: 1 CONT
Cessation of overflow dredging. A practice which can increase contaminant concentration levels. (Dans un rapport de la Commission des Grands Lacs.) 1, record 17, English, - overflow%20dredging
Record 17, French
Record 17, Domaine(s)
- Dragage
- Génie civil
Record 17, Main entry term, French
- dragage avec rejet des déblais par surverse
1, record 17, French, dragage%20avec%20rejet%20des%20d%C3%A9blais%20par%20surverse
proposal, masculine noun
Record 17, Abbreviations, French
Record 17, Synonyms, French
- dragage avec séparation des sédiments par décantation 2, record 17, French, dragage%20avec%20s%C3%A9paration%20des%20s%C3%A9diments%20par%20d%C3%A9cantation
proposal, masculine noun
Record 17, Textual support, French
Record number: 17, Textual support number: 1 OBS
Comme pour l'ensemble des questions de terrassements, le volume des déblais mesuré après extraction est supérieur à celui qui résulte d’une cubature des matériaux en place : le rapport entre ces deux volumes est le coefficient de foisonnement. Dans le cas de sables moyens et gros et des matériaux sablograveleux dragués et refoulés par voie hydraulique, ce coefficient est très peu supérieur à l'unité et l'on constate que la densité de ces matériaux, mesurée in situ, dans le puits de la drague ou sur la zone de refoulement, a sensiblement la même valeur. Il faut noter toutefois qu'une partie des éléments les plus fins est rejetée à la mer par surverse au cours du dragage et que, par conséquent, la quantité de matériaux réellement enlevée in situ peut être légèrement supérieure à celle mesurée dans le puits. 3, record 17, French, - dragage%20avec%20rejet%20des%20d%C3%A9blais%20par%20surverse
Record number: 17, Textual support number: 2 OBS
L’expression «dragage avec séparation des sédiments par décantation» est une proposition du client SVP fondée sur l’hypothèse voulant qu’au-dessus des sédiments séparés par décantation, il se forme un liquide clair et que c’est ce liquide clair que désignerait le terme anglais «overflow». Le contexte qui suit est un exemple d’utilisation du terme «décantation» en contexte de dragage. Nous tenons à préciser que, n’ayant pas pu préciser la notion anglaise, nous ne pouvons que proposer des équivalents très hypothétiques. Le lecteur est prié de juger à partir de son contexte. 1, record 17, French, - dragage%20avec%20rejet%20des%20d%C3%A9blais%20par%20surverse
Record number: 17, Textual support number: 3 OBS
Avec les dragues suceuses stationnaires, la pompe permet de refouler les produits dragués dans les tuyaux jusqu’à des distances qui atteignent couramment 2 000 m. Si le chantier de dragage n’est pas très loin de la terre (ce qui est toujours le cas pour les canaux) et s’il existe un terrain de dépôt à proximité, le refoulement direct à terre est le procédé le plus économique. La canalisation de refoulement est constituée par des éléments de tuyaux de 300 à 900 mm de diamètre et de 8 à 12 m de long, assemblés par des joints souples et reposant sur de petits flotteurs, de façon à suivre les mouvements de la drague. Bien entendu, la mixture refoulée contient une très forte proportion d’eau (95 à 60 %). Le dépôt doit pouvoir contenir le volume d’eau correspondant à la durée de décantation de la mixture. 4, record 17, French, - dragage%20avec%20rejet%20des%20d%C3%A9blais%20par%20surverse
Record 17, Spanish
Record 17, Textual support, Spanish
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