In soil consolidation, what does the term 'primary consolidation' refer to?

Practice Questions

Q1
In soil consolidation, what does the term 'primary consolidation' refer to?
  1. Immediate settlement
  2. Long-term settlement
  3. Settlement due to drainage
  4. Settlement due to loading

Questions & Step-by-Step Solutions

In soil consolidation, what does the term 'primary consolidation' refer to?
  • Step 1: Understand that soil is made up of solid particles and water in the spaces between them.
  • Step 2: When weight is added to the soil (like a building), it pushes down on the soil.
  • Step 3: This added weight causes the water in the soil to be pushed out, which is called 'expulsion of pore water.'
  • Step 4: As the water leaves, the soil particles move closer together, causing the soil to settle.
  • Step 5: The immediate settlement that happens because of this water being pushed out is known as 'primary consolidation.'
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