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BARRIERE CONFINEMENT ARTIFICIELLE [1 record]
Record 1 - external organization data 2003-04-15
Record 1, English
Record 1, Subject field(s)
- Waste Management
- Nuclear Waste Materials
- Compartment - Canadian Nuclear Safety Commission
Record 1, Main entry term, English
- engineered barrier
1, record 1, English, engineered%20barrier
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Although the engineered barriers will be designed primarily to isolate the waste from the groundwater, it is recognized that eventually some radioactive material will be leached from the repository and may ultimately be transported to the biosphere. As currently envisaged the engineered barriers can be briefly described as (a) The Waste Form: The wastes will be incorporated in materials which will immobilize the radionuclides and resist dissolution in groundwater. (b) The Containers: The waste form will be encapsulated in containers made of material that is resistant to degradation by groundwater. (c) The Buffer Material: The containers will be surrounded by a buffer material chosen to inhibit groundwater circulation around the containers and to retard the movement of radionuclides that may become dissolved in the groundwater. (d) The Repository ... 1, record 1, English, - engineered%20barrier
Record 1, French
Record 1, Domaine(s)
- Gestion des déchets
- Déchets nucléaires
- Tiroir - Commission canadienne de sûreté nucléaire
Record 1, Main entry term, French
- barrière artificielle
1, record 1, French, barri%C3%A8re%20artificielle
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- barrière artificielle de confinement 2, record 1, French, barri%C3%A8re%20artificielle%20de%20confinement
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Bien que les barrières artificielles soient conçues avant tout pour isoler les déchets des eaux souterraines, on reconnaît le fait que certaines matières radioactives s'échapperont avec le temps du dépôt par lixiviation [...] À l'heure actuelle, on peut envisager les barrières artificielles suivantes : a) la forme des déchets : les déchets sont incorporés à des matériaux qui immobiliseront les radionucléides et qui résisteront à la dissolution dans les eaux souterraines; b) les conteneurs : la forme des déchets est encapsulée dans des conteneurs fait d'une matière résistante à la dégradation par les eaux souterraines; c) le matériau tampon : les conteneurs sont entourés d'un matériau tampon spécial capable d'empêcher la circulation des eaux souterraines autour des conteneurs [...] d) le dépôt [...] 3, record 1, French, - barri%C3%A8re%20artificielle
Record 1, Key term(s)
- barrière de confinement artificielle
Record 1, Spanish
Record 1, Textual support, Spanish
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