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 ?
Without the VLF backfill, Californians will be forced to live with a lower quality of life," said Hall.
The restoration of the backfill means we can continue to provide the essential services that Californians need and deserve," added Loveridge.
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.
Kim's method requires the time histories of the wall acceleration and the excess pore pressure ratio, ru in the backfill as input for the evaluation of the force components.
LOCAL has always maintained that providing local governments with the full the VLF amount -- either by providing the backfill or through other means -- is necessary to ensure that vital local services are available for California residents.
Pull backfill into the hole, firming it with your hand (never your foot) as you go.
Backfill around the root area and gently step the soil to prevent major air pockets, but it is a mistake to pack the soil too hard.
Platform Backfill combines advertiser feeds from those LookSmart publishers that choose to participate--including search engines, ad networks and LookSmart itself-- then separates them into individual advertisers who can compete in another publisher's auction process.
Kovit Engineering consults with mines around the world to help them manage their on-surface tailings and backfill.
The District concentrated on finding a solution that would not allow water from the canal above to seep into the pipe which could cause infiltration of the backfill and ultimately, a washout of the entire canal--similar to what they had just experienced with the poorly installed pipe arch culvert.
Alternatively, an elastic grade of Bayfit can be used to backfill the mold after the VE foam is cured.
Expenditures in a typical demolition and construction project using the conventional approach include transportation to the landfill, disposal charges, buying backfill materials and paying for the transportation of these backfill materials to the site.