Vertical Barriers

Waterproofing vertical barriers are performed to laterally confine a given volume of soil to a deeper, waterproofed and guaranteed level, preventing the spread of contamination between this closed enclosure and the rest of the perimeter. Vertical barriers are always a mixed element. The real barrier to contamination is made with geomembrane panels interconnected by special profiles inside a conventional type screen excavations filled by common bentonite materials, or cement-bentonite, or soil-cement-bentonite to give lateral stability to the whole. Sometimes they are used not to confine but to divert flows, to eliminate seepage through the slopes in an excavation and/or reduced to acceptable limits the seepage through the bottom of it.

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