Near Surface Electrical Properties of Rocks as a Guide to Mechanical Properties.

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)

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Document Details

Document Type
Technical Report
Publication Date
Dec 31, 1976
Accession Number
ADA035938

Entities

People

  • Earl Williams
  • Theodore R. Madden

Organizations

  • Massachusetts Institute of Technology

Tags

DTIC Thesaurus Topics

  • Conductivity
  • Diffusion
  • Distribution Functions
  • Elastic Properties
  • Electric Fields
  • Electrical Conductivity
  • Electrical Properties
  • Electron Microscopes
  • Equations
  • Flow
  • Fluid Flow
  • Geometry
  • Measurement
  • Mechanical Properties
  • Microscopes
  • Planetary Sciences
  • Pressure Gradients

Readers

  • Materials Science (Mechanical Engineering).
  • Plasma Physics.
  • Theoretical Analysis.