For a soil, the degree of saturation is expressed as the ratio of:
Correct answer: C. Volume of water to volume of voids
- A. Volume of solids to total volume
- B. Volume of air to volume of solids
- C. Volume of water to volume of voids
- D. Volume of water to total volume
Explanation
Degree of saturation is the percentage of the void space occupied by water, so it is Vw divided by Vv. The ratio of water volume to total soil volume is volumetric water content, not degree of saturation.
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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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