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2 cards from this section. Quick, good the night before a test.
What does Terzaghi's model represent?
Think about how pressure is distributed in the model.
What is a piezometer used for?
Relate it to pressure measurement in hydrostatics.
What does Terzaghi’s model illustrate?
Think about how the load applies and affects the soil.
True or False: In Terzaghi’s model, the lower compartments experience significant changes right after the load is applied.
Consider how water moves through the soil layers.
Assuming saturated clay with a void ratio of 1.0 initially has an excess pore water pressure of 200 kPa under a load of 150 kPa. Calculate the effective stress after 30 minutes if the excess pore water pressure decreases to 50 kPa.
Don't forget to define total stress.
A construction site requires you to analyze two different soil layers. One layer is saturated clay, and the other is dry sand. If both layers are subjected to an equal load, predict the consolidation behavior and justify it based on Terzaghi's analogy.
Focus on how each soil type interacts with water.
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