TERMIUM Plus®

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BIOLOGICAL CLOGGING [1 record]

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Record 1 2010-05-11

English

Subject field(s)
  • Technical Textiles
  • Soil Mechanics (Engineering)
CONT

Biological clogging is the result of chemical and microbiological deposition of humus and iron compounds in and around the pipe drain.

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.

French

Domaine(s)
  • Textiles techniques
  • Mécanique des sols
CONT

Colmatage biologique. Dans les ouvrages fluviaux et les zones exposées au batillage, on peut enregistrer sur la texture fibreuse une prolifération d'algues qui, à terme, risque de réduire notablement la perméabilité des nappes et donc d'entraver notablement la fonction de filtration du géotextile.

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.

Spanish

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