Implementation of multivariate clustering methods for characterizing discontinuities data from scanlines and oriented boreholes

Authors:
Wei Zhou;Norbert H. Maerz
Affiliations:
Department of Mining and Geological Engineering, University of Alaska Fairbanks, Fairbanks, AK;Rock Mechanics and Explosives Research Center, University of Missouri-Rolla, 1006 Kingshighway, Rolla, MO
Venue:
Computers & Geosciences
Year:
2002

Citing 4
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Abstract

In geological engineering, discontinuities are typically analyzed by grouping (clustering) them into subsets based on similar orientations, and then characterizing each set in terms of position, spacing, persistence, roughness and other parameters. Multivariate analysis can be used to incorporate some of these other parameters directly into the cluster analysis. The implementation of four methods of cluster analysis that consider orientation, spacing and roughness are described here: nearest neighbor, k-means, fuzzy c-means, and vector quantization. The net result is a better grouping of discontinuities, so that members of a subset might be more uniform in terms of mechanical or hydrological properties. This paper presents the implementation of this analysis in a Windows® based program CYL that also serves as a graphical visualization tool.