Application of Discrete Feature Analysis to Repository Characterizationby W. Dershowitz, Golder Associates Inc, Redmond, United States,
J. Geier, Golder Associates Inc, Redmond, United States,
C. L. Axelsson, Golder Associates Inc, Redmond, United States,
Abstract: Rock mass heterogeneity plays an important role in the hydrologic and mechanical behavior of radioactive waste repositories. This heterogeneity is, in turn, strongly influenced by the geometry and properties of discrete features such as faults, fractures, stratigraphic contacts, igneous intrusions, and sedimentary channels. As a result, large amounts of data are collected to describe the properties of fractures and other discrete features. Procedures are described for focusing these data collection activities, and transforming this information into a form useful for repository site characterization and performance assessment. Applications are described based upon work carried out within the Swedish and Swiss radioactive waste management programs.
Subject Headings: Radioactive wastes | Rock masses | Heterogeneity | Data collection | Waste management | Cracking | Hydrologic properties
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