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Deformation of equivalent materials

  • Rock Mechanics and Rock Pressure
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Soviet mining science Aims and scope

Conclusions

The deformational properties of traditional EMs, based on quartz sand, are completely specified.

Firstly, the modulus of elasticity of the material is significantly higher than the modulus of deformation.

Secondly, strictly speaking, the deformation modulus itself is not a constant, but depends on the stress level.

Thirdly, the moduli of deformation and elasticity depend to differing degrees on the previous loading history, in particular on preliminary cyclic trials. As the number of trial cycles increases, both these parameters merge in magnitude. It is assumed that the specific nature of the deformational properties of EM result from the high porosity of the materials.

The author wishes to thank Profs. G. N. Kuznetsov and F. P. Glushikhin for valuable discussion and advice in the course of this work.

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Literature Cited

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Authors
  1. M. S. Zlotnikov
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Additional information

All-Union Scientific-Research Institute of Rock Mechanics and Underground Surveying (VNIMI), Leningrad. Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 5, pp. 15–22, September–October, 1982.

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Zlotnikov, M.S. Deformation of equivalent materials. Soviet Mining Science 18, 367–373 (1982). https://doi.org/10.1007/BF02528440

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  • DOI: https://doi.org/10.1007/BF02528440

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