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Grout curtain

Barrier in construction

Grout curtain
Summary

Barrier in construction

A schematic of a grout curtain, see drill holes and grouted area.

A grout curtain is a barrier that protects the foundation of a dam from seepage and can be made during initial construction or during repair. Additionally, it can be used to strengthen foundations and contain spills.

Characteristics

A grout curtain usually consists of a row of vertically drilled holes filled with pressurized grout, a process commonly known as pressure grouting. The holes are drilled in intervals and in such a way that they cross each other, creating a curtain.

Method

Grout is injected with grouting jets, which use a high-pressure fluid stream (i.e., slurry or water) to erode a cavity in the soil.

References

References

  1. "How grouting is used in dam foundations".
  2. [http://www.answers.com/topic/grout-curtain Answer.com – Grout curtain]
Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

geotechnical-shoring-structures
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