When an excavator digs down, unless it is installed with lasers the ditch floor will be uneven. With trenchers an even floor is made; if sanding of the ditch is required less material is required. Trenching offers not just a smooth floor, but smooth sides.
When an excavator lifts up its bucket to dump, the trench stops, but with chain trenchers it just keeps cutting.
The soil from excavators is removed in clumps - even more in black soil. The trenchers grind soil into a fine state, which makes good backfill. The soil can be put on each side of the trench, whichever you need.
Trenching, is to all intents and purposes like digging a long thin hole, maybe 10 inches wide, and 2 feet deep, for 100 yards. That would be a large job, to finish with a shovel.
A trenching machine, is similar to a large chain saw, a trenching machine digs up the ground to a certain depth, and certain width. Most prominent, trenching would be required for constructing of footings, irrigation lines, wire lines, pipes, underground resources, water lines, gas lines, pool lines, and more.
These machines are custom-built in the USA and designed for acute soil and rock conditions. The cutting chain uses tungsten carbide tipped digging teeth to "grind" the ground as it moves along.
The action of cutting excavates the soil, or spoils, from the ditch simultaneously, bringing it to the pinnacle of the digging face where it is dropped on to a conveyor.
The conveyer can be moved to the right or left and discharges the 'spoils ' into rows at a predetermined distance from the trench. As the rows are set away from the ditch edge, access by machinery and personnel is less constrained and allows for a better; work environment.
On jobsites where you can mechanically backfill with a blade or bucket without damaging turf, big, open-cut ditches are straightforward to cover fast. But you still have to dedicate labor and machine resources to backfilling.
Are there possibilities that are far more labor-efficient and less destructive to landscapes? Fortunately , yes.
Many irrigation contractors have vibratory plows, mini-trenchers and mini-loaders in their equipment armoury. These machines can be less damaging, more compact or, with the use of different attachments, more versatile than traditional trenchers.
They also decrease taxing labor which, arguably, may be one of the most important benefits in today's labor-shy working environment.
About the Author:
John Wright's articles and books are broadcast all around the globe, and are available on internet sites internationally. Read more optical fibre installation or trenching
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