Near Surface Electrical Properties of Rocks as a Guide to Mechanical Properties.
- 31 December 1976
- report
- Published by Defense Technical Information Center (DTIC)
Abstract
The intense crack production that occurs in highly stressed rocks greatly increases the interconnectivity and the conductivity efficiencies of the cracks. Network models of this effect give reasonable estimates of the electrical properties. The surface conductivity contribution is still modest and limits the range of zeta potentials. Turbulence effects are shown to reduce the experimental determinations of these potentials. Extensions of the network models are made to treat the mechanical effects of the interconnected cracks, but the application of the method is still incomplete. (Author)Keywords
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