Practice Secondary Consolidation Settlement (1.5) - CONSOLIDATION - Geotechnical Engineering

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9 questions

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6 sample questions

Question 1.
What is secondary consolidation?
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Think about changes that occur after the primary settlement.
Question 2.
Define primary consolidation.
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What happens first when you apply stress to saturated soil?
3Question 3.
What is secondary consolidation also known as?
- Instantaneous settlement
- Creep settlement
- Primary consolidation
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What term indicates slow movement?
4Question 4.
True or False: Secondary consolidation results from expulsion of pore water.
- True
- False
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Consider the process timeline.
Question 5.
A new building is constructed on clay soil. If the immediate settlement is 10mm and the secondary consolidation is expected to cause an additional 5mm settlement, calculate the total expected settlement after one year.
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Sum the immediate and secondary settlements.
Question 6.
Given a soil with a compression index of 0.2 and applying a load increase of 100 kPa, calculate the expected primary consolidation using consolidation formulas.
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Plug in the values to the given consolidation equation.

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