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Q: Identify the method that is NOT used for determination of in situ unit weight of a natural soil deposit?
  • A. Sand bath method
  • B. Core cutter method
  • C. Water displacement method
  • D. Sand replacement method
Correct Answer: Option A - Sand bath method–It is used to determine the water content of soil. This method is not be used for organic soils, or for soils having higher percentage of gypsum. The methods commonly used for the determination of in-situ unit weight of a natural soil deposit or compacted earth fill are– • Core-cutter method • Sand-replacement method • Water displacement method
A. Sand bath method–It is used to determine the water content of soil. This method is not be used for organic soils, or for soils having higher percentage of gypsum. The methods commonly used for the determination of in-situ unit weight of a natural soil deposit or compacted earth fill are– • Core-cutter method • Sand-replacement method • Water displacement method

Explanations:

Sand bath method–It is used to determine the water content of soil. This method is not be used for organic soils, or for soils having higher percentage of gypsum. The methods commonly used for the determination of in-situ unit weight of a natural soil deposit or compacted earth fill are– • Core-cutter method • Sand-replacement method • Water displacement method