21.2.2. Soil Types

Try these first

1. 1.

   What is laterite soil known for?

   Hint

   Think about what minerals are abundant in laterite.

2. 2.

   Identify one characteristic of moorum.

   Hint

   Consider what contributes to its texture.

3. 3.

   Which soil type is essential for good drainage?

   • Clay
   • Gravel
   • Silt

   Hint

   Consider which soil types retain water versus those that drain it.

4. 4.

   True or False: Clay soils expand and contract significantly with moisture content.

   • True
   • False

   Hint

   Think about what happens when clay gets wet.

5. 5.

   Evaluate the implications of using moorum over clay in a highway project. What are the benefits and potential drawbacks?

   Hint

   Consider moisture effects and project requirements.

6. 6.

   Propose a solution for using desert sands in construction despite their cohesion issues.

   Hint

   Think about construction techniques that can improve soil performance.