Long-term storage of spent fuel is critical to the nuclear energy industry. The Swedish Nuclear Fuel and Waste Management Company (SKB) is developing an approach for the storage of spent nuclear fuel in an underground repository in competent crystalline rock. In order to better understand the spalling damage process, an in-situ test involving the drilling of two boreholes was performed in Äspö diorite at SKB’s underground hard rock laboratory in Äspö. Tests and monitoring were performed on the pillar that separated the boreholes. In order to further investigate the damage process, Itasca performed numerical modeling using PFC3D and FLAC3D.
Mr. Silva has significant experience in the field of applied rock mechanics, developing 2 and 3-dimensional slope stability analyses and back-analysis of slope failures in open pit mine projects in Chile, Perú, Argentina and México considering numerical modeling and kinematic analysis. He also has experience using numerical modeling to evaluate design in underground mines in Chile, Argentina and Brazil. Additionally, he has experience in calibration of stress fields based onin-situ stress measurements. He also has experience in field testing for rock mass pre-conditioning.
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