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What is the purpose of a piezometer in site investigation?

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Question: What is the purpose of a piezometer in site investigation?

Options:

  1. To measure soil density
  2. To measure pore water pressure
  3. To measure soil temperature
  4. To measure soil permeability

Correct Answer: To measure pore water pressure

Solution:

A piezometer is used in site investigation to measure pore water pressure, which is crucial for understanding groundwater conditions and their effects on soil behavior.

What is the purpose of a piezometer in site investigation?

Practice Questions

Q1
What is the purpose of a piezometer in site investigation?
  1. To measure soil density
  2. To measure pore water pressure
  3. To measure soil temperature
  4. To measure soil permeability

Questions & Step-by-Step Solutions

What is the purpose of a piezometer in site investigation?
  • Step 1: Understand what a piezometer is. A piezometer is a device used to measure the pressure of water in the soil.
  • Step 2: Recognize the importance of pore water pressure. Pore water pressure is the pressure of water within the soil's pores, which affects how the soil behaves.
  • Step 3: Learn why measuring pore water pressure is important. Knowing the pore water pressure helps engineers and geologists understand groundwater conditions.
  • Step 4: Connect groundwater conditions to soil behavior. Groundwater can change how strong or weak the soil is, which is important for construction and safety.
  • Step 5: Conclude that piezometers are essential in site investigations. They provide necessary data to ensure safe and effective construction.
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