In a settlement analysis, what does the term 'primary consolidation' refer to?

Practice Questions

Q1
In a settlement analysis, what does the term 'primary consolidation' refer to?
  1. Immediate settlement due to applied load
  2. Long-term settlement due to soil creep
  3. Settlement due to the expulsion of pore water
  4. Settlement due to soil shrinkage

Questions & Step-by-Step Solutions

In a settlement analysis, what does the term 'primary consolidation' refer to?
  • Step 1: Understand that soil has tiny spaces called pores that can hold water.
  • Step 2: When weight is added to the soil (like a building), it pushes down on the soil.
  • Step 3: The added weight causes the water in the pores to be pushed out.
  • Step 4: As the water leaves, the soil particles move closer together.
  • Step 5: This movement of soil particles closer together causes the soil to settle and decrease in volume.
  • Step 6: This process of settling due to water being expelled is called primary consolidation.
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