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2 cards from this section. Quick, good the night before a test.
Define permeability in the context of soil.
Think about water movement through different soil types.
What does Darcy's Law describe?
Consider how water flow varies with the slope of the water table.
What is the flow velocity (v) related to according to Darcy's Law?
Think of the formula v = k * i.
True or False: The velocity head is generally considered significant in soil water flow.
Recall the components of total head.
A soil has a permeability of 0.05 cm/sec. If the hydraulic gradient is measured at 3, what is the flow velocity? What does this say about the potential for water movement?
Use the Darcy's Law formula to find v.
How would you approach engineering design if you have clay with typical permeability of 10^-9 cm/sec? Consider drainage solutions.
Think about how water pools need to be addressed in your design.
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