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4 cards from this section. Quick, good the night before a test.
What is immediate settlement?
Think of how quickly things change when a load is added.
Define secondary consolidation.
Consider how soil behaves over an extended period.
What causes immediate settlement?
Think about how materials react when loads are applied.
True or False: Primary consolidation ceases when all excess pore water pressure dissipates.
Consider what happens at the end of water evacuation.
Given a surface pressure of 200 kPa, a soil layer thickness of 10m, and a permeability of 1.0e-6 m/s, discuss how long primary consolidation will take.
Link the thickness and hydraulic conductivity to estimate time.
A building's design was based on a total settlement of 5 cm across three soil types. The immediate settlement is 1.5 cm, and primary is 3 cm. What is the expected secondary consolidation?
Use the total settlement equation to find the unknown.
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