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3 cards from this section. Quick, good the night before a test.
What is total stress?
Remember the formula involving weight and depth.
Define pore water pressure.
Consider how it relates to water level.
What defines total stress in soil?
Think about all components that contribute to stress.
True or False: Pore water pressure is zero at the water table.
Recall where the water table sits in relation to pressure.
If soil total stress is 100 kPa and the pore water pressure is 30 kPa, what is the effective stress?
Use the effective stress formula.
A soil layer has a unit weight of 20 kN/m³. Calculate the total stress at 15 meters depth and the change in effective stress if the total stress increases by 25 kPa and pore water pressure increases initially by 10 kPa.
Identify total stress first, then apply changes based on load and drainage!
5 more questions in this section. Enroll free to practise them all.
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