Definition of To work the goaf. Meaning of To work the goaf. Synonyms of To work the goaf

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Definition of To work the goaf

To work the goaf
Goaf Goaf; n.; pl. Goafsor Goaves. [Cf. lst Gob.] (Mining) That part of a mine from which the mineral has been partially or wholly removed; the waste left in old workings; -- called also gob . To work the goaf or gob, to remove the pillars of mineral matter previously left to support the roof, and replace them with props. --Ure.

Meaning of To work the goaf from wikipedia

- goaf area, gases may be allowed to build up behind seals so as to exclude oxygen from the sealed goaf area. Where a goaf may contain an explosive mixture...
- been removed and the resulting space was termed a "goaf". When the props were withdrawn the roof was allowed to fall into the goaf. At around 14:00 on...
- coalminer, from near Bishop Auckland, County Durham. Heslop's first novel Goaf was published in 1926, but it was in a Russian translation as Pod vlastu...
- As the coal was worked back along the headings, waste material ac****ulated in the goaf or gob behind it. Pit props were progressively removed and the roof...
- air enters and the tailgate is where spent air exits. Goaf, gove or gob The goaf, gove, gob, shut or waste is the void from which all the coal in a seam...
- developed above the spoil. The area above the goaf was inadequately ventilated and acted as a reservoir for firedamp. The origin of the firedamp is debatable:...
- towards the working face by a heavy fall of roof over the northern edge of the Pit Narrow Board goaf, and driven out with a velocity which sent the flame...
- into the goaf. With longwall the same fracturing and gas release that stooping could cause was always present. The ell coal was mainly worked by stoop...
- they advanced they packed the goaf (the space left after the extraction of coal) with stone and slack on which to settle the roof. This system had three...
- as the goaf. This space (up to 1,200 yards (1,100 m) across) was in part supported by pack walls and partially filled with waste. It was allowed to gradually...