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

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

Options:

Correct Answer: Immediate settlement

Solution:

Primary consolidation refers to the immediate settlement that occurs due to the expulsion of pore water from the soil.

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

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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