Cemented Backfill Pillar Performance

Software

Version Notes:
FLAC 8.0

Level: Beginner
Runs in Demo: Yes

Write Up
Walk Through
Project Files
Consulting Services

The failure mode of cemented backfill pillars is studied with FLAC. A sliding interface is used to represent the orebody-sandfill contact to allow downward settling of sand during collapse. The model is run in large-strain mode to illustrate the active collapse of the pillar.

Keywords:

  • Backfill
  • Pillar
  • Mining stages
  • Interface
  • Large-strain
  • Mohr-Coulomb model

Materials:

  • Backfill
  • Cement
  • Ore
  • Rock

Analyses:

  • Static
Latest News
  • 2019 Sloan Outstanding Paper Award Dr. Mojtaba Bahaaddini (Shahid Bahonar University of Kerman), along with Associate Professor Glenn Sharrock (Itasca/UQ),...
    Read More
  • Itasca Awarded Prestigious Caving 2040 Research Grant Itasca’s research aims to answer the key industry question “how should block caves be designed...
    Read More
  • InSite V3.15 Now Available! Itasca Consulting Ltd (ICL) is pleased to announce the latest release of the InSite family...
    Read More

Upcoming Events
26 Jun
Discrete element modelling of dam foundations
Learn about modeling dam foundations using the discrete element method with UDEC and 3DEC software in the 26th ISRM Online Lecture.... Read More
1 Oct
FLAC3D 7.0 Introductory training course
... Read More
14 Oct
Focused Seismic and Liquefaction Training 2019
Itasca is offering a focused training session with instruction by experienced engineering consultants, hands-on modeling exercises, and... Read More