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Soils are aggregates of mineral particles; and together with air and/or water
in the void spaces, they form three-phase systems. A large portion of the
earth’s surface is covered by soils, and they are widely used as construction
and foundation materials.

Soil mechanics is the branch of engineering that
deals with the engineering properties of soils and their behavior under stress.
This book is divided into 11 chapters: “Soil Aggregate, Plasticity, and
Classification,” “Stresses and Strains:

Elastic Equilibrium,” “Stresses and
Displacement in a Soil Mass: Two-Dimensional Problems,” “Stresses
and Displacement in a Soil Mass: Three-Dimensional Problems,” “Pore
Water Pressure due to Undrained Loading,” “Permeability,” “Seepage,”
“Consolidation,” “Shear Strength of Soil,” “Elastic Settlement of Shallow
Foundations,” and “Consolidation Settlement of Shallow Foundations.”
This chapter is a brief overview of some soil properties and their
classification. It is assumed that the reader has been previously exposed
to a basic soil mechanics course.