Geotechnical Engineering - Vol 2 | 17. Chemical Modification or Stabilization by Abraham | Learn Smarter
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17. Chemical Modification or Stabilization

Chemical modification and stabilization of soil significantly alters its index properties through the addition of materials such as cement and lime. The primary mechanisms of change include increases in particle size and moisture binding. Proper criteria for selecting these chemicals based on soil properties, as well as quantifiable strength gains required for effective stabilization, are crucial for successful application.

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Sections

  • 1

    Chemical Modification Or Stabilization

    This section discusses the chemical modification and stabilization of soil through the application of materials like lime and cement, altering soil properties for enhanced structural performance.

    Learning Practice

  • 1.1

    Mechanisms Of Chemical Alteration

    This section discusses how chemical modification of soil improves its stability and physical properties through mechanisms like cementation and moisture binding.

    Learning Practice

  • 1.2

    Design Procedures

    This section discusses the procedures for selecting chemicals to stabilize and modify subgrade soils for improved soil properties.

    Learning Practice

  • 1.3

    Criteria For Chemical Selection

    This section discusses the essential criteria for selecting chemicals for soil stabilization and modification based on soil index properties.

    Learning Practice

  • 1.4

    Suggested Chemical Quantities For Modification Or Stabilization

    This section discusses the chemical modification and stabilization of soils using materials like lime, cement, and fly ash to enhance their engineering properties.

    Learning Practice

  • 1.5

    Strength Requirements For Stabilization And Modification

    This section details the processes of soil stabilization and modification through chemical means.

    Learning Practice

References

37.pdf

Class Notes

Memorization

What we have learnt

  • Chemical additions can enha...
  • The effectiveness of stabil...
  • Appropriate chemical select...

Final Test

Revision Tests