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 ?
The successful cut-through of 3 Right recovery entry can be mainly attributed to the: (1) completely backfilled low-density concrete, and (2) pre-installed primary and supplemental bolts, along with a T3 roof channel, and steel and nonmetallic recovery meshes, fiberglass bolts in the inby pillar, steel rib bolts in the outby pillar, and angled roof/rib channel.
Margaret said management was in breach of the 2011 nurses award, which says community nurses will be backfilled for four weeks annual leave and longer if they work shift work or weekends.
For pipeline padding and backfilling, it allows material to be screened on site and then backfilled directly into a trench, eliminating the need for a dedicated stationary screening machine.
has been backfilled into other unaffected space that was unoccupied or made available within a tenant's existing real estate portfolio.
Also a subsidence area (above the failed pipe) will be excavated and backfilled.
Furthermore, abandoned stopes from earlier mining activities will be backfilled with sulphide-reduced paste fill.