Construction Compaction Equipment
The compaction equipment in construction are manual or self-propelled machines which
serve to consolidate the soil , according to the degree of compaction required. These teams work primarily with high static pressure. One could define the compaction of soil as a method of consolidating an artificial ground, by expelling the air between the particles, causing them to be as close as possible.
The compaction involves mechanically increase the density of a material. By reducing the gaps between particles increase the density and reduce the volume of material.
Classification of compaction equipment in construction:
The problem of compaction of soil is linked to the material to be compacted and this is the reason for the existence of multiple different computers on the market. The compaction equipment are divided into two groups.
1 - pressure compaction equipment: smooth rollers, sheepsfoot rollers, Rollers tires
2 - compaction equipment percussion: Vibro compactor, vibratory plate
1 - Compaction pressure compaction:
Smooth roller:
This construction machinery consists of a chassis ballasting, self-propelled generally on smooth metallic rolls. Due to the high contact pressure which can operate only transmitted on materials with high bearing capacity. Its main use is in the compaction of asphalt mixtures.
Padfoot roller:
Is a metal cylinder which has its surface formed with a series of frusto-conical ends. Can operate or be pulled by tractor propelled. The characteristic of this equipment construction is that the load concentrates on pins, which penetrate the soil compacting accordingly from below upwards.
Roller tire:
Formed by front and rear rows of tires flat, in number, size and configuration such as to the overlap of the footprints of the front with the rear. Can operate dragged by tractors or be self-propelled. Its high efficiency is achieved in soils not cohesive granular materials, and the finished surface compaction of the layers.
2 - Vibrating Compaction:
This type of construction machinery are teams that combine the pressure that causes the weight of the machine with a vibratory effect. The vibratory compaction is the most used today for most applications . Is based on using an eccentric mass which rotates in a smooth roller, said dough produces a centrifugal force which is added or subtracted from the weight of the machine. They are manufactured equipment, both towed and self-propelled roller types smooth, padfoot roller and roller tire .
Compaction for percussion:
The percussion soil compactors using a repeated impact force on the surface to be compacted. This equipment, which element is shaped plate compactor, when operating ground rises due to an action of its drive unit which causes a compaction of the soil. Falling compactor has a second effect that depends on the weight and lift height.
These construction equipment and manuals are usually used in the compaction of soils in inaccessible places such as embankments near sewers, ditches or repair of pavements , where they can not use conventional equipment.
by: dustinscott
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