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
  • 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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  • 2020 Peter A. Cundall Award ...
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  • Itasca Symposium 2020 Technical Papers and Statistics ...
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Upcoming Events
17 Feb
Itasca Symposium 2020
The Fifth International Itasca Symposium will be held at the University of Vienna (Austria). The Symposium will features the applicatio... Read More
23 Feb
2020 SME Annual Conference & Expo
The MineXchange 2020 SME Annual Conference & Expo is your chance to join your peers at the mining and metallurgy industry’s premier... Read More
25 Feb
Geo-Congress 2020: Vision, Insight, Outlook
Brings together geoprofessionals interested in the field of geoenvironmental engineering, including geotechnical engineers, practitione... Read More