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The Government of Canada’s terminology and linguistic data bank.
MINERAL CLOGGING [1 record]
Record 1 - internal organization data 1990-09-28
Record 1, English
Record 1, Subject field(s)
- Technical Textiles
- Soil Mechanics (Engineering)
Record 1, Main entry term, English
- mineral clogging
1, record 1, English, mineral%20clogging
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Generally, two types of mineral clogging can be detected which are referred to as primary and secondary clogging. Primary clogging is a consequence of the sudden drastic changes in the soil/water boundary conditions, caused by the installation of the subsurface drainage system, and the resulting water flow, including particle transport due to the high hydraulic gradients, towards the newly installed pipe. Secondary clogging is defined as a particle transport into filters and/or pipes, in the long term; ... 1, record 1, English, - mineral%20clogging
Record number: 1, Textual support number: 1 OBS
Clogging : The movement by mechanical action or hydraulic flow of soil particles into the voids of a fabric and retention therein, thereby reducing the hydraulic conductivity of a geotextile. 2, record 1, English, - mineral%20clogging
Record 1, French
Record 1, Domaine(s)
- Textiles techniques
- Mécanique des sols
Record 1, Main entry term, French
- colmatage minéral
1, record 1, French, colmatage%20min%C3%A9ral
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Colmatage minéral. Il existe deux risques majeurs de colmatage : le "clogging", qui est provoqué par la pénétration des particules à l'intérieur du géotextile (...) et donc réduit la perméabilité de ce dernier. (...) le "blocking", qui est l'obturation des canaux au point de passage du fluide dans le géotextile. (...) la stricte application des critères de filtration définis par les divers organismes nationaux prend en compte les effets à long terme du colmatage minéral et donc limite les risques de non-fonctionnement des réseaux de drainage. 1, record 1, French, - colmatage%20min%C3%A9ral
Record number: 1, Textual support number: 1 OBS
L'eau qui circule est chargée de particules solides en suspension, celles-ci s'accumulent sur le filtre ou au sein du filtre en réduisant progressivement la perméabilité. Le débit diminue, il y a colmatage. (...) Les risques de colmatage du filtre et du drain dépendent de la quantité de ces particules fines quittant le sol et qui est elle-même déterminée par le choix du filtre. Pour éviter le colmatage du filtre, on pourrait choisir un géotextile dont la texture serait plus serrée que le diamètre des particules fines, mais elle serait quasi imperméable et arrêterait même l'eau. 2, record 1, French, - colmatage%20min%C3%A9ral
Record 1, Spanish
Record 1, Textual support, Spanish
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