Showing posts with label traditional. Show all posts
Showing posts with label traditional. Show all posts

Traditional drainage layers

To compare with the geocomposite drainage products let's remember the traditional drainage layers :)

Traditional drainage layers are made of graded granular material

  • the granular filter prevents penetration of fines into the drain (Filtration)
  • the granular core transports the water in the plain of the filter (Drainage)
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