06-23-2010, 01:48 PM
Study of tunnelling through water-bearing fracture zones
This report concerns a study which was conducted for SKB. This report presents results from a baseline study concerning technical issues related to tunnelling through water-bearing fracture zones. SKB aims with this study to improve the generic knowledge of tunnelling through such zones at different depths. As a reference was the experiences of tunnelling through a water-bearing fracture zone with the access ramp to the Äspö Hard Rock Laboratory in Sweden chosen. The content of the report shall be used as a reference for specific issues in the rock engineering design of a deep repository facility.
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