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4 cards from this section. Quick, good the night before a test.
Define consolidation in soils.
Think about how a sponge would react when pressed.
What is immediate settlement?
Consider what happens to a spring when weight is suddenly added.
What happens to pore water pressure when a load is first applied?
Think about a sealed bottle of water being squeezed.
True or False: Secondary consolidation occurs immediately after load application.
Consider how long it takes for soil to adjust after loading.
A saturated clay layer experiences an applied load leading to an immediate settlement of 10mm. If primary consolidation takes 2 years to complete, what is the primary consolidation settlement?
Consider the stress applied on the saturated layer and typical values for soil permeability.
Explain how effective stress changes over time during consolidation of saturated soil under load.
Visualize the flow of water and resultant change in pore pressures to understand effective stress dynamics.
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