The water content of a soil sample is defined as the ratio of:
Correct answer: A. Mass of water to mass of dry soil
- A. Mass of water to mass of dry soil
- B. Mass of water to mass of wet soil
- C. Mass of solids to mass of wet soil
- D. Mass of voids to mass of solids
Explanation
Water content is calculated as the mass of water divided by the mass of soil solids, usually expressed as a percentage. Using the mass of wet soil in the denominator gives a different ratio, not the standard soil mechanics definition.
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About Soil Mechanics and Foundations
Soil mechanics examines index properties, phase relationships, classification, permeability, seepage, compaction, consolidation, shear strength and earth pressure. Foundations apply these principles to bearing capacity, settlement and shallow or deep foundation selection, with clear distinction between compaction, which expels air, and consolidation, which expels water over time.
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