LKAB’s Kiirunavaara Mine is a large, underground, sub-level caving mine that has been seismically active since approximately 2008. With this seismic activity comes associated vibrations. These vibrations can be felt on surface in the town of Kiruna, which is currently located close to the mine on the hangingwall side. The mine is undergoing a national permitting process concerning a desired increased production rate. An important question for this process is: will the increased production rate result in changes to vibrations in the town due to seismicity?
The theme of RockEng22 is Canadian Strengths and Future Directions in Rock Mechanics.
Mr. DeGagné is a geomechanics engineer with experience in rock mechanics, including slurry and paste backfill, and sublevel caving. He has developed an alternative binder using recycled glass for use in backfill and has developed numerical models using PFC3D and the parallel-processing option to simulate the flow of ore and waste draw in a sublevel cave mine.
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