Geotechnical Engineering - Vol 1 | 18. Effect on Swell Shrink aspect by Abraham | Learn Smarter
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18. Effect on Swell Shrink aspect

The chapter discusses the effects of compaction on soil shrinkage and swelling, emphasizing that compacted dry soil exhibits greater swelling than wet soil. It provides an overview of the Standard Proctor’s Compaction Test, detailing the apparatus needed and the step-by-step procedure to determine optimal moisture content for soil compaction, and introduces the Modified Compaction Test developed for better compaction in field applications.

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Sections

  • 1

    Lecture 17

    This section discusses the effect of soil compaction on swell and shrink behavior and the procedures for Standard and Modified Proctor's Compaction Tests.

    Learning Practice

  • 1.1

    Effect On Swell Shrink Aspect

    This section discusses how soil compaction influences swelling and shrinkage properties of soil.

    Learning Practice

  • 1.2

    Standard Proctor’s Compaction Test

    The Standard Proctor’s Compaction Test measures the optimal moisture content and maximum density of soil when compacted.

    Learning Practice

  • 1.2.1

    Apparatus

    This section outlines the apparatus required for conducting Standard Proctor's Compaction Test, including a cylindrical metal mold, collar, and rammer.

    Learning Practice

  • 1.2.2

    Procedure

    This section details the procedure for conducting the Standard Proctor's Compaction Test and highlights the significance of soil compaction on swelling and shrinkage.

    Learning Practice

  • 1.3

    Modified Compaction Test

    The Modified Compaction Test is essential for achieving higher soil compaction, crucial for supporting heavy structures like aircraft.

    Learning Practice

References

17.pdf

Class Notes

Memorization

What we have learnt

  • Compaction significantly re...
  • The Standard Proctor’s Comp...
  • The Modified Compaction Tes...

Revision Tests