sheep foot roller
sheep foot roller :
sheepsfoot rollers, otherwise known as Padfoot or tamping rollers, are rollers with many rectangular-shaped lugs, or “feet.” They're great for compacting soil and silty clay in road construction work.
Why sheep foot rollers are recommended for compacting?
In sheep foot, roller compaction is by static weight and kneading of the respective layer. This makes tamping roller better suited for clay soils. ... This makes smooth wheel roller best suited for rolling of weaker aggregates, proof rolling of subgrades and in compacting asphalt pavements.
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