Boliden AB is constructing an underground repository for final storage of process waste material from the Rönnskär copper smelter facility. The repository is excavated at a depth of 330 m and the main components are storage rooms with a vertical footprint of 16 by 18 m and with lengths varying between 50 and about 200 m. Itasca was contracted by Boliden to carry out rock mechanical analysis to assess the stability in both the short- and long-term (3000 years) perspectives. FLAC3D and 3DEC models were used to study global and local stability as well as the potential for long term effects on flow paths in the rock mass resulting from the excavation of the repository.
Mr. Gómez is a civil engineer who holds a Diploma in Mining Applied Geomechanics. Has worked in the field of soil and rock mechanics for major mining projects in South America for over 30 years, twenty of which are for Itasca. He has experience in all aspects of stability analysis and modeling of rock masses, with special emphasis in slope stability studies for major open pits.
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