Axisymmetric Modeling of Post Pillar Mining

Software

Version Notes:
FLAC 8.0

Level: Beginner
Runs in Demo: Yes

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Post pillars are created when mechanized cut-and-fill stopes are mined on all sides. A FLAC model studies the potential instability of the pillars. Axisymmetric geometry in FLAC provides a reasonable representation of the three-dimensional condition.

Keywords:

  • Post-pillar
  • Cut-and-fill
  • Stress
  • Displacements
  • Mining stages
  • Axisymmetric
  • Mohr-Coulomb model
  • Double-Yield model

Materials:

  • Backfill
  • Rock

Analyses:

  • Static
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