Axisymmetric Modeling of Post Pillar Mining

Software:
FLAC 8.0
Example Write-Up:
Walk-Through: 
Runs in Demo: 
Yes
Project Files: 
Level: 
BEG
Consulting Service: 
Details and Description: 

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