1.3.1. Self propelled or towed

Try these first

1. 1.

   What is the capacity range of smooth wheeled steel drum rollers?

   Hint

   Think about the weight range mentioned.

2. 2.

   What type of soils should pneumatic tyred rollers avoid?

   Hint

   Consider the soil properties discussed.

3. 3.

   What capacity do smooth wheeled steel drum rollers have?

   • 10 kN - 150 kN
   • 20 kN - 200 kN
   • 300 kN - 500 kN

   Hint

   Check the upper and lower bounds discussed.

4. 4.

   True or False: Sheepsfoot rollers can be both self-propelled and towed.

   • True
   • False

   Hint

   Recall the attributes of these rollers.

5. 5.

   A construction site requires compacting a newly filled area with mostly fine-grained soil. Describe which type of roller is most suitable and justify your choice.

   Hint

   Recall the characteristics of each type.

6. 6.

   If a smooth wheeled steel drum roller is used on silty sand, what potential issues might arise? Discuss the implications of using unsuitable equipment.

   Hint

   Think about the soil's reaction to compaction efforts.