needling


Also found in: Dictionary, Thesaurus, Medical, Legal, Idioms.

needling

[′nēd·əl·iŋ]
(civil engineering)
Underpinning the upper part of a building with horizontally placed timber or steel beams.
(mining engineering)
Cutting holes or ledges in a coal bed or rock surface for receiving the ends of timber supports.

needling

1. Attaching a base coat of thatch onto the battens of a thatched roof; by sewing them together with a large, flat metal needle.
2. A needle beam which provides temporary support of a load.
References in periodicals archive ?
The needling variables involved were web advance/stroke, depth of needle penetration, strokes/min and number of needleboards operating.
In this way the increase in length during the total needling process could be assessed.
At each advance, higher values of draft are apparent with vertical needling and the difference increases with web advance.