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Regulatory Requirements and Long-Term Repository Host Rock Performance

by M. D. Voegele, Science Applications Internat Corp, Las Vegas, United States,
D. C. Dobson, Science Applications Internat Corp, Las Vegas, United States,
M. B. Blanchard, Science Applications Internat Corp, Las Vegas, United States,



Document Type: Proceeding Paper

Part of: High Level Radioactive Waste Management 1991

Abstract:

The regulatory requirements governing the disposal of high-level radioactive wastes in mined geologic repositories acknowledge the long-lived nature of the wastes and require the consideration of stability of geotechnical properties and host rock performance for times far beyond the times normally considered in subsurface facility design. The regulatory requirements governing the disposal of high-level radioactive wastes encompass the operating lifetime of the repository and questions related to long-term waste isolation. Normal aspects of underground facility design are supplemented by consideration of effects of the repository construction on the long-term isolation capability of the repository. Specific design concerns are related to the effects of thermal loads placed upon the host rock system or to construction-related effects.

Subject Headings: Radioactive wastes | Waste disposal | Underground construction | Rocks | Rock properties | Underground storage | Thermal loads

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