2D Discontinuum Model of Longwall Collapse

Software

Version Notes:
UDEC 7.00

Level: Intermediate
Runs in Demo: No

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Displacement contours after 150 m of excavation

The complex process of roof collapse behind an advancing longwall coal face is investigated by setting up a two-dimensional stratified UDEC model with the roof and floor strata represented as distinct parting planes with shear failure properties and low or zero tensile resistance.

Keywords

  • Longwall
  • Coal mine
  • Bedding
  • Shale
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