2.2 - Specific Gravity (G)
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Practice Questions
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Define void ratio.
💡 Hint: What do you compare to the volume of voids?
What is porosity expressed as?
💡 Hint: Think about the total volume in relation to voids.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula to calculate porosity?
💡 Hint: Remember, it's a ratio involving total volume.
True or False: The value of specific gravity for most inorganic soils is generally less than 2.60.
💡 Hint: Think about how specific weight varies in soil types.
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Challenge Problems
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Given a soil sample with a bulk density of 1.8 g/cm³, determine the dry unit weight if the moisture content is 15%.
💡 Hint: Remember to adjust for moisture content.
A soil has a specific gravity of 2.75 and an air content of 25%. What would a saturated unit weight be if the bulk unit weight is 1.9 g/cm³?
💡 Hint: Consider how saturation affects total weight.
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