![]() ![]() This approach provided an unbiased methodology for stress calibration, which accounts for influences from mining and variations in material properties. These response tensors were combined (using superposition for linear-elastic analysis) and the results fitted to stress measurement data. A unit stress tensor approach was used for model stress calibration, in which unit stresses of each tensor component was applied to the model, and the stress response calculated. The model also incorporated extensive biotite zones near two of the orebodies. ![]() The model included the currently known mineralizations, some reaching down to mining level 1600 m. The mine comprises 20 orebodies of varying size, shape and orientation, over an area of 8 km2 (Figure 1) A detailed, mine-scale, three-dimensional model was setup using FLAC3D (Figure 2). Itasca Consultants AB (Sweden) has conducted a mine-scale stress calibration for the LKAB Malmberget Mine. PFC Suite users are also invited to contact their local agent to renew their Annual Maintenance Program and thus to benefit of the next upgrades and major releases.Īll the Itasca team is available to answer your enquiries and assist you in your decision. All our 3DEC and FLAC3D users can benefit from lower prices on the pre-purchase until their official release. The second part of the 2016 year will be rich in events with the release of two of our 3-dimensional software: 3DEC v5.2 is already available and FLAC3D v6.0 will be released within the following months. ![]()
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January 2023
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