Pillar Design

Itasca has developed unique and robust approaches to pillar design that recognizes the importance of understanding the rock behavior from intact rock and bedding to joints and faults. Itasca’s software can model the stress-strain response of continuous, blocky, or bedded materials exhibiting plastic, brittle, or creep behaviors. Consequently, any combination of lithology comprising the pillar-floor-roof system can be analyzed. This includes reproducing the complex combination of pillar sloughing (rib rash) and floor heave experienced at different extraction levels and vertical stress levels throughout a mine. Information derived from these pillar-scale models forms an essential input to larger-scale models, which have been used extensively for design of individual panels (width, remnant stub width, and extraction ratio) as well as barrier pillars, and the overall mine layout and extraction ratio. These larger-scale models have been validated through successful back-prediction of the timing and nature of large-scale catastrophic collapses experienced in the region.

Latest News
  • New ICG General Manager Itasca Consulting Group, Inc. is pleased to announce that Dr. Tryana Garza-Cruz is now our...
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  • COVID-19 Pandemic Response In this exceptional time of the COVID-19 pandemic, Itasca International and its offices worldwide are...
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  • ITASCA is pleased to announce the release of InSite v3.16 ITASCA is pleased to announce the release of InSite v3.16...
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Upcoming Events
6 Apr
2020 SME MN Conference
The 93rd Annual Meeting of the Minnesota Section of SME is THE top performing regional minerals conference in the Midwest. Featuring a ... Read More
6 Apr
PFC Introductory Training-Minneapolis - CANCELLED
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20 Apr
3DEC and UDEC Introductory Training, Minneapolis - CANCELED
An introduction to UDEC and 3DEC for application to geotechnical analysis.... Read More