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2 cards from this section. Quick, good the night before a test.
Define void ratio.
What do you compare to the volume of voids?
What is porosity expressed as?
Think about the total volume in relation to voids.
What is the formula to calculate porosity?
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.
Think about how specific weight varies in soil types.
Given a soil sample with a bulk density of 1.8 g/cm³, determine the dry unit weight if the moisture content is 15%.
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?
Consider how saturation affects total weight.
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