long-wall mining

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Related to long-wall mining: Coal mining, continuous mining

long-wall mining:

see coal miningcoal mining,
physical extraction of coal resources to yield coal; also, the business of exploring for, developing, mining, and transporting coal in any form. Strip mining is the process in which the overburden (earth and rock material overlying the coal) is removed to expose a
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Whereas traditional bord-and-pillar mining had little or no impact on the surface, a collapse of 3 m in the roof of a mine during long-wall mining at a depth of 300m causes subsidence of the surface by about 2m, that propagates in wave-like form as a long-wall extends.
Which conveyor belt calculation is related to which calculation of a long-wall mining system?
Westfalia Becorit Industrietechnik GmbH offers a comprehensive range of machinery and equipment for underground coal mining, particularly long-wall mining.