backfill

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backfill

In construction and excavation work,to fill something with additional dirt.When building foundation walls or retaining walls,one excavates a space large enough to build the walls and provide a comfortable work space,and then backfills with additional rock and dirt afterward.

References in periodicals archive ?
The preparation and mining of higher lying levels, was conducted successively after the lower level was backfilled and works had begun on a higher level.
However, all the tailings produced cannot be backfilled due to the different densities of in situ and broken rock.
The excavation was then backfilled and compacted in lifts with a pneumatic compactor.
With a requirement for a larger sample, Sterling collected a composite from a backfilled stope open to surface.
The critical envelope was backfilled in two days, allowing contractor to begin embankment fill placement.