Backfill


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backfill

[′bak‚fil]
(civil engineering)
Earth refilling a trench or an excavation around a building, bridge abutment, and the like.
(mining engineering)
Waste sand or rock used to support the mine roof after removal of ore.

Backfill

Crushed stone or coarse soil placed around the foundation walls to provide drainage for water collecting in the soil behind the wall.

backfill

Soil which is replaced in an area that has been excavated previously.

backfilling, backfill

1. Rough masonry built behind a facing or between two faces.
2. Filling over the extrados of an arch.
3. Brickwork in spaces between structural timbers. Also see nogging
4. Soil or crushed stone used to fill the space between the excavation or sheeting and the exterior of a structure, or around the foundation walls to provide means for water to drain away from a foundation.
References in periodicals archive ?
After a near-miss safety event during a changeover with their main feedline, a mining company sought a safer and more efficient solution to divert paste backfill.
In case of tank empty condition, the external earth pressure of backfill all around acts on the shell, which needs to be resisted by stiffening of shell plate at required intervals along the height of the tank.
Some possible minor changes include: (1) adjustment of the low-density concrete strength, (2) adding an additional recovery chute, and (3) modifying the type and/or length of some bolts, especially in the transition zone of the Phase 1 and Phase 2 concrete backfill.
The full "Internal Pressure and Backfill Load Resistance Characteristics of 'Popit' Lift Hole Plugs" report can be obtained from the What's New section at the American Concrete Pipe Association home page, www.
Since the incorporation of measurement probes at the XIVth and XVth levels in the middle of 1992, measurements of specific deformations in backfill (XIVth level, elevation--6.
17) Lamb stated its additional costs included removing the backfill around the failed ducts, replacing the damaged ducts, installing flexible connectors at the ductwork joints, and placing pea gravel backfill under and over the re-installed ductwork.
This should be a reasonable assumption for most cases since the wall can hardly move toward the backfill soils during shaking.
The gradation of recycled material met the backfill specification.
Placing waste back underground as backfill cannot be used to dispose of all the tailings produced, and some surface disposal is usually still required.
If it's bad, mix 1 cubic foot of compost into the backfill.
According to president and chief executive officer Howard Levine, most of those stores will backfill markets in which the chain already operates, taking advantage of the company's distribution infrastructure.
You can use any soil type for backfill without affecting the product's performance, according to the company.