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Please use this identifier to cite or link to this item: http://hdl.handle.net/1993/4158

Title: Instrumentation and monitoring of a full-scale shaft seal installed at atomic energy of canada limited's underground research laboratory
Authors: Holowick, Blake
Supervisor: Blatz, James (Civil Engineering)
Examining Committee: Graham, James (Civil Engineering) Birouk, Madjid (Mechanical & Manuracturing Engineering)
Graduation Date: October 2010
Keywords: shaft
seal
deep
geological
repository
bentonite
clay
instrumentation
monitoring
Issue Date: 10-Sep-2010
Abstract: Atomic Energy of Canada Limited’s Underground Research Laboratory was built to allow study of concepts for the long-term disposal of Canada’s used nuclear fuel in a deep geological repository. The underground portion of the facility was decommissioned and permanently closed in 2010. Decommissioning included the installation of a seal at the intersection of the access shaft with a hydraulically active fracture zone located at 275 m depth. The objective of the shaft seal is to limit potential groundwater mixing above and below the fracture zone. This project provided a unique opportunity to study the hydro-mechanical evolution of a full-scale shaft seal installed under conditions similar to those in a deep geological repository. This thesis provides an overview of the instrumentation and data logging techniques that have been successfully used to monitor the initial behaviour of the shaft seal in this unique underground environment.
URI: http://hdl.handle.net/1993/4158
Appears in Collection(s):FGS - Electronic Theses & Dissertations (Public)

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