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4 cards from this section. Quick, good the night before a test.
What is permeability in soil?
Think about how water flows through soil.
Name one method for measuring the permeability of coarse-grained soil.
Which method do we use for sands and gravels?
What method is used for measuring permeability in coarse-grained soil?
Think about the type of soil involved!
True or False: Falling Head Method is used for coarse-grained soils.
Consider which method is applied to which type of soil.
If a sandy soil sample allows 500 liters of water to flow through in 10 hours under a constant head of 1 meter, calculate its permeability.
Remember to consider the area over which the flow acts!
Why might seepage cause failure in embankments or earth dams?
Think how excess water might affect the soil structure.
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