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4 cards from this section. Quick, good the night before a test.
Define porosity.
Think about what voids and total volume mean.
What does a high void ratio indicate?
Focus on what the void ratio represents.
What is the formula for porosity?
Focus on what porosity represents.
True or False: A higher percentage of air content indicates a drier soil.
Think about how air replaces water in the voids.
A soil sample has a total volume of 2m³ with a void volume of 0.8m³. Calculate the porosity and void ratio.
Apply the definitions carefully.
Consider a soil that is 70% saturated and has a void ratio of 0.5. If the total volume is 1m³, find the volume of water in the soil.
Use the degree of saturation in your calculations.
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