Civil Engineering PE

Category - Soil and Materials

Soil pores are classified into three main groups based on the diameter of individual pores. Which of the following pore diameter grouping is associated with mesopores?
  1. ≥ 0.1 mm
  2. 0.03 mm - 0.1 mm
  3. < 0.03 mm
  4. None of the above
Explanation
Answer: B - The pore diameter grouping of 0.03 mm - 0.1 mm is associated with mesopores. A soil’s ability to hold and transmit water and air is impacted by the amount of pore space in the soil (porosity) and its pore size distribution. Mesopores are medium-sized pores and are commonly found in medium-textured soils and loamy soils.
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