Explain in detail the differences among fine sand, silt, and clay, especially as they relate to the foundations of buildings.

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Explain in detail the differences among fine sand, silt, and clay, especially as they relate to the foundations of buildings.



Fine sand consists of equidimensional particles that are large enough to behave as a particulate soil. Silt particles are also equidimensional but are much smaller, and silts are classified as fine-grained soils. Clay particles are even smaller than silt particles and are platelike rather than equidimensional. Unlike fine sand and silt, clay soils are governed in their properties by surface effects, and are therefore much more strongly affected by water content and the particular arrangement of particles in a given soil.

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