Geotechnical Engineering - Vol 1 | 3. Volume Relations by Abraham | Learn Smarter
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Knowledge
3. Volume Relations

The chapter provides an overview of various volumetric and weight relations applicable in soil mechanics. Key concepts include void ratio, porosity, water content, and different measures of unit weight relevant to soil materials. The interrelations between these concepts help understand the behavior of soil in varying conditions, specifically in practical applications related to construction and environmental engineering.

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Sections

  • 1

    Volume Relations

    This section introduces various volume relations in soil mechanics, focusing on void ratio, porosity, degree of saturation, air content, and percentage air voids.

    Learning Practice

  • 1.1

    Void Ratio (E)

    The void ratio is a fundamental concept in soil mechanics that quantifies the relationship between the volume of voids and the volume of soil solids.

    Learning Practice

  • 1.2

    Porosity (N)

    Porosity measures the ratio of void spaces to total volume in soil, essential for understanding water and air storage.

    Learning Practice

  • 1.3

    Degree Of Saturation (S)

    The section explains the degree of saturation in soils, alongside related volume and weight relations that define soil properties.

    Learning Practice

  • 1.4

    Air Content (A)

    This section explains the concept of air content in soil, detailing its relationship with volume relations, particularly focusing on how it is expressed and interrelated with void ratio and porosity.

    Learning Practice

  • 1.5

    Percentage Air Voids (N)

    This section introduces the concept of percentage air voids in soil, detailing its relationship with other volumetric properties like void ratio and porosity.

    Learning Practice

  • 2

    Weight Relations

    This section discusses weight relations in soil mechanics, including key concepts such as density, unit weight, water content, and their interrelationships.

    Learning Practice

  • 2.1

    Water Content (W)

    This section explains water content in soil, discussing key volume and weight relationships that affect soil behavior and its properties.

    Learning Practice

  • 2.2

    Specific Gravity (G)

    This section explains the concepts of specific gravity, density, and various weight and volume relations pertinent to soil mechanics.

    Learning Practice

  • 2.3

    Dry Unit Weight

    The section discusses the concept of dry unit weight, covering its significance and relation to other volumetric and weight relations in soil mechanics.

    Learning Practice

  • 2.4

    Bulk Unit Weight

    This section covers the definitions and relationships associated with bulk unit weight, focusing on volume and weight relations in soil composition.

    Learning Practice

  • 2.5

    Saturated Unit Weight

    This section covers the concept of saturated unit weight, highlighting important volume and weight relations in soil mechanics.

    Learning Practice

  • 2.6

    Buoyant Unit Weight

    This section explains the concept of buoyant unit weight and its relevance in soil mechanics.

    Learning Practice

References

3.pdf

Class Notes

Memorization

What we have learnt

  • Void ratio and porosity are...
  • Weight relations such as wa...
  • Density and unit weight are...

Final Test

Revision Tests