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Process and Criteria for Valuation of the Ground-Water Flow Models in the OECD/NEA International Stripa Project

by Paul Gnirk, RE/SPEC Inc, Rapid City, United States,



Document Type: Proceeding Paper

Part of: High Level Radioactive Waste Management 1991

Abstract:

In 1986, the Site Characterization and Validation (SCV) Program was initiated as part of Phase III of the OECD/NEA International Stripa Project. The principal intent of the SCV Program was to characterize in stages a previously undisturbed block of granite (approximately 780,000m³) in the Stripa Mine, and, concurrently, evaluate the validity of ground-water flow and solute transport models by comparing predictions against data from field measurements. In 1988, the Joint Technical Committee created the Task Force on Fracture Flow Modelling for the purpose of guiding the development of fracture-flow models, and for determining the criteria against which the validity of the models, as applied to the SCV site, could be evaluated. To this end, the Task Force established the model-validation process and criteria for the SCV program. This paper describes the validation process and the status of its implementation for the models that deal with ground-water flow in saturated, fractured granite in the Stripa Mine.

Subject Headings: Groundwater flow | Water resources | Validation | Cracking | Transport phenomena | Site investigation | Radioactive wastes

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