1.1.3. Suitable for well graded sand, gravel, silt of low plasticity

Try these first

1. 1.

   What type of soil are smooth wheeled rollers suitable for?

   Hint

   Think about soil types that provide good drainage.

2. 2.

   What is the weight range of sheepsfoot rollers?

   Hint

   Consider the suitability for fine-grained soils.

3. 3.

   What is the main purpose of a smooth wheeled steel drum roller?

   • To knead fine soils
   • To compact well graded soils
   • To compact very soft clay

   Hint

   Think about their suitability mentioned earlier.

4. 4.

   True or False: Sheepsfoot rollers are suitable for uniform sand.

   • True
   • False

   Hint

   Consider the kneading action required.

5. 5.

   You are tasked with finding the best compaction equipment for a site containing a mix of well graded gravel and soft clay. Discuss and justify your choice of equipment based on the soil types.

   Hint

   Evaluate the properties of each roller discussed earlier.

6. 6.

   If you need to improve existing road conditions on a highway with varying soil types, outline an operational plan specifying machinery and methods.

   Hint

   Think about soil interaction and machinery application.