Tell You To Choose A Vibratory Roller

You may feel tough when to choose a vibratory roller for your engineering and you will never be regret if you choose a good roller for this engineering ,no matter just for roller but also some other machineries. Of course ,you can also search some information for ref. On http://www.ecvv.com/company/chinawbest/index.html

Contractors use a number of different types of soil and aggregate compactors these days. Common types include: sheepsfoot rollers, which run static and are typically towed; pneumatic-tired rollers, which use rubber tires to provide the familiar kneading action of soil or subgrade; vibratory rollers (smooth drum), typically used for granular and mixed soil materials; and tamping foot, which combines the advantages of a vibratory roller with a sheepsfoot.
The sheepsfoot roller is most effective for compaction of plastic soils like clay or silt, according to Bomag Americas, a leading roller manufacturer. The sheepsfoot compacts from the bottom of each lift towards the top. High contact pressures cause the feet to penetrate through the loose material and actually compact the material directly with the foot tip.
A number of passes are required with a sheepsfoot roller because of the small area compacted by each foot. Self-propelled embankment compactors, such as the Bomag BC462EB and the BC772EB, are capable of higher productivity than towed sheepsfoot rollers because they can travel at higher speeds. And while the teeth differ slightly in design from a sheepsfoot, the Bomag embankment compactors achieve compaction the same way.
Pneumatic-tired rollers generally compact from the top of the lift downward. The relationship between the tire contact area and the ground contact pressure causes a kneading action, which helps seek out soft spots that may exist. Light- to medium-weight self-propelled units are used primarily for compaction of granular base as well as hot mix asphalt.
Vibratory rollers work on the principle of particle rearrangement resulting from dynamic forces generated by the vibrating drum hitting the ground. As particles in the soil rearrange themselves, voids between particles become smaller, causing an increase in material density. The best vibratory application is the compaction of granular and mixed soils.

To choose and buy correct roller, in what you must do is to compare various factors before the construction and be on the basis of the most reasonable economic to make the best choice. http://www.ecvv.com/product_directory/Machinery.html for china suppliers,china manufacturers,china products.

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3.  Excerpt : You may feel tough when to choose a vibratory roller for your engineering and you will never be regret if you choose a good roller for this engineering……

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