Geotechnical Engineering - Vol 2 | 20. Grouting by Abraham | Learn Smarter
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Knowledge
20. Grouting

Various soil improvement techniques are crucial for enhancing liquefiable ground stability, particularly with low vibration methods that include compaction, permeation, and jet grouting. Each technique addresses specific needs such as increasing soil density, waterproofing, and reducing liquefaction risks, thereby ensuring structural safety in urban environments and under existing infrastructure.

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Sections

  • 1

    Grouting

    The section covers various soil improvement techniques that utilize grouting methods to enhance liquefiable ground stability.

    Learning Practice

  • 1.1

    Compaction Grouting

    Compaction grouting is a soil improvement technique that enhances the density and stability of loose or disturbed soils by injecting a low workability cement paste.

    Learning Practice

  • 1.2

    Permeation Grouting

    Permeation grouting is a soil stabilization method that involves injecting low-viscosity fluids into soil pores to enhance its strength and waterproof properties without altering the physical structure of the soil.

    Learning Practice

  • 1.3

    Jet Grouting

    Jet grouting is a soil improvement technique that involves high-pressure injection of a grout mixture to replace and stabilize existing soil.

    Learning Practice

  • 1.1.1

    Categories Of Compaction Grouting

    This section discusses the types and execution of compaction grouting, a method used to improve soil density and mitigate liquefaction.

    Learning Practice

  • 1.1.1.1

    Treatment Under Existing Structures

    This section describes various soil improvement techniques applicable for structures, focusing on compaction grouting, permeation grouting, and jet grouting.

    Learning Practice

  • 1.1.1.2

    Treatment In Urban Areas With Low Levels Of Vibration And Noise

    This section discusses methods of soil improvement suitable for urban areas, particularly focusing on minimizing vibration and noise.

    Learning Practice

  • 1.1.1.3

    Treatment In Narrow Areas

    This section discusses various soil improvement techniques, particularly focusing on treatments suitable for narrow areas with low vibration levels.

    Learning Practice

  • 1.2.1

    Goals Of Permeation Grouting

    Permeation grouting aims to enhance soil strength and prevent liquefaction by injecting a low-viscosity fluid into soil pores.

    Learning Practice

  • 1.3.1

    Applications Of Jet Grouting

    Jet grouting is an advanced soil improvement technique used for underpinning, excavation support, and stabilization of liquefiable soils.

    Learning Practice

References

40.pdf

Class Notes

Memorization

What we have learnt

  • Compaction grouting effecti...
  • Permeation grouting strengt...
  • Jet grouting is versatile f...

Final Test

Revision Tests