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backfill

Line breaks: back|fill
Pronunciation: /ˈbakfɪl
 
/

Definition of backfill in English:

verb

[with object]
Refill (an excavated hole) with the material dug out of it: they backfill the hole to street level [no object]: you’ll need to backfill with excavated material
More example sentences
  • Finally we backfilled the hole and went to the house to clean up.
  • The contractor digs a small hole down about 18 ft., places a 12-in.-diameter slotted pipe in the hole, and backfills it with 0.75-in. washed rock.
  • The excavated soil should be mixed with well-rotted organic matter or a tree-planting compost before backfilling the hole.

noun

[mass noun] Back to top  
Material used for backfilling: archaeologists are attempting to understand the origin of the backfill found there
More example sentences
  • It also implies, but does not explicitly require, important installation details, such as complete backfilling of the trench and thorough compaction of backfill.
  • The use of tire shreds as backfill has benefits ranging from the inherent lightweight of the material to increase in permeability.
  • Compaction of backfill materials is normally carried out by mechanical means, to achieve a specified percentage of compactivity.

Definition of backfill in:

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