Membrane walls

Contact persons
Schmalwand DE

Efficient sealing
for dams and landfills

The membrane wall is a vertical sealing element that we mainly use for core seals in dams and for enclosing landfill sites. It has no static effect; however, it can also be used in conjunction with a statically effective support element (e.g. berm, sheet-pile wall, etc.) to enclose excavation pits.

Implementation

A membrane-wall screed is vibrated and pushed into the ground using a high-frequency vibrator with simultaneous slurry grouting. A continuous sealing wall is created by lining up individual screed sections.

Schmalwand diagram EN

Examinations

Examinations

  • Project-related suitability tests
  • On-site inspection and acceptance tests
  • Pumping tests

Applications

  • Sealing of dams, backwater areas of power plants
  • Sealing of excavation pits
  • Enclosure of landfills

Technical data

Membrane wall planksHEM 500 to 1000
Wall thickness5 to 10 cm
K-value sealing suspension10^8 10^10 m/s
Strength0,5 to 2,0 N/mm²
Levellerup to 120 t

Learn more about special foundation engineering processes

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