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Experimental evaluation of the isotropy of large masses of continuous media and gauges for such measurement

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Measurement Techniques Aims and scope

Abstract

The structure of the optical pattern in holes of photoelastic ring gauges is discussed briefly. The two symmetry axes of this pattern in rigid stress gauges coincide with the directions of the quasiprincipal stresses in the plane of measurements while in soft gauges the deformations of the symmetry axis of the optical pattern coincide with the directions of the quasiprincipal strains. According to the general propositions of the theory of elasticity in Isotropic media the stress tensors and the strain tensors are coaxial, whereby photoelastic ring gauges can be used to evaluate the isotropy of solid media.

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Authors
  1. G. I. Kulakov
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Additional information

Translated from Izmeritel'naya Tekhnika, No. 6, pp. 30–32, June, 1994.

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Kulakov, G.I. Experimental evaluation of the isotropy of large masses of continuous media and gauges for such measurement. Meas Tech 37, 648–652 (1994). https://doi.org/10.1007/BF00978320

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  • DOI: https://doi.org/10.1007/BF00978320

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