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Jet Grouting Techniques

Jet grouting is a method of soil stabilization which involves the injection of a stabilizing fluid into the subsoil (or the soil under treatment) under high pressure under high velocity.

Applications

  • For construction of horizontal barriers
  • Control of groundwater
  • Underpinning
  • Tunneling
  • Support for excavation

Advantages

  • Large cemented material column creation without causing huge ground disturbances (subsoil)
  • Columns form continuous elements forming in different shapes thus improving the mechanical properties and decreasing porosity
  • Improvement in construction process thus emerging out with a better design philosophy
  • It’s attractive nature in terms of confined space working and under difficult site conditions

Disadvantages

  • Continuous flushing is required to avoid clogging
  • Requires specialized and experienced applicators
  • Initial higher costing