Friday, July 1, 2011

Pneumatic Roller



Pneumatic rollers are not all that common to Newfoundland; the soil types here do not often require this type of equipment. The machine is best used on clay, where the soil here in Newfoundland is rocky and gravel-like. The machine is a self-driven (has an engine) piece of equipment that uses several highly inflated rubber tires as a compaction surface. The weight of the machine is used to provide compaction and extra weight may be added by filling boxes on the ends with sand or rocks.


POINTS TO REMEMBER:

  • machine consists of a number of rubber tires, highly inflates
  • vary from small rollers to very large and heavy rollers
  • may be self-propelled but the larger ones are usually towed
  • some have boxes mounted above their wheels so that material may be added to provide more compaction
  • used on 'clayey' and silty soils
  • effective in compacting granular material containing small amounts of fines

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