The Stress Ellipsoid, II

  • W. D. Means

Abstract

In Chapter 7 we took it on faith that the stress vectors at a point in two dimensions define an ellipse. In this chapter we calculate the stress vector on a plane from given boundary stresses on a block of rock. We do this first for a specific numerical example, and second for a more general case that demonstrates the reality of the stress ellipse.

Keywords

Dinate Librium Summing 

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Notes and References

  1. Readers not previously familiar with direction cosines can read more about them in Nye (1964, p. 9), Jaeger and Cook (1969, p. 18) or in Malvern (1969, p. 13).Google Scholar
  2. The equation for the stress ellipsoid in three dimensions is derived by Nadai (1950, pp. 91–93).Google Scholar

Copyright information

© Springer-Verlag New York Inc. 1976

Authors and Affiliations

  • W. D. Means
    • 1
  1. 1.Department of Geological SciencesState University of New York at AlbanyAlbanyUSA

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