Post-Peak Pillar Behavior and the Effects of Backfill Confinement

Software

Version Notes:
FLAC 8.0

Level: Intermediate
Runs in Demo: No

Write Up
Walk Through
Project Files
Consulting Services

FLAC is applied to study the behavior of progressively collapsing pillars. The effect of backfill confinement is evaluated by comparing different scenarios: no backfill, tight backfill and backfill with a 10 cm gap between the backfill and the roof. The peak/residual strength of the pillar is simulated using the strain-softening material model in FLAC, and the pore-collapse behavior of the backfill is simulated using the double-yield material model.

Keywords:

  • Backfill
  • Pillar deformation
  • Sliding contact
  • Strain- Softening model
  • Double-Yiled model
  • Residual stress

Materials:

  • Backfill
  • Rock
  • Talc

Analyses:

  • Static
Latest News
  • Seamless Integration of Site Data for Improved Mining Analysis Now Available for IMAT: Seamless Integration of Site Data for Improved Mining Analysis...
    Read More
  • Now Available from ITASCA: Innovative Machine Learning Tool for FLAC3D/FLAC2D V9.2 Experience the Future of Geotechnical Modeling with ITASCA Software V9.2: Introducing Machine Learning Models...
    Read More
  • Experience the Future of Geotechnical Modeling with ITASCA Software V9.2 Experience the Future of Geotechnical Modeling with ITASCA Software V9.2: Introducing Machine Learning Models and...
    Read More

Upcoming Events
12 May
“Getting Started With Dynamic Modeling in FLAC3D
This training supplies the tools needed to describe and apply the workflow for dynamic analysis in FLAC3D, demonstrating a comprehensiv... Read More
11 Jun
Python in Itasca Software
This course provides an overview of the Python programming language in Itasca software.The course covers major applications of Python t... Read More
16 Jun
IMAT Training: Revolutionizing Mining Analysis with Seismology & Numerical Modeling
Hands-on learning with IMAT’s latest upgrade enhances mine modeling and seismology, uniting open-pit and underground mining capabilitie... Read More