At shallow depth, the initial stress state can significantly affect the behavior of the rock mass around excavations, but stress measurements are usually subjected to high levels of uncertainty. This was the case at the Odenplan railway station in Stockholm where unexpectedly large deformations were measured during the excavation.
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Mr. Sanftenberg is a Professional Engineer with 12 years of industry experience who boasts a strong background in bulk mining and narrow vein operations, planning and design, and mine systems. He has held various roles throughout his career including Project Management, Underground Supervision, Backfill Engineer, Mine Systems Lead, and most recently, Senior Mine Engineer. Throughout his career, he has focused on improvement projects related to drill and blast optimization, backfill systems, production management, and ventilation on demand as well as innovation with the design and implementation of autonomous mining and wireless blasting technologies.
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