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The effect of the scale factor on the strength of ugleplast

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Soviet Mining Aims and scope

Conclusions

  1. 1.

    The change in the strength of ugleplast when manufacturing specimens with a damaged surface can be explained by the successive influences of the surface and volume scale effects.

  2. 2.

    When calculating large constructions one should use the data of laboratory investigations on standard specimens without introducing the scale factor.

  3. 3.

    When loading the material along the lines of orientation of the particles of the wood admixture the compression strength should be taken to be one-half that of the standard.

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Literature Cited

  1. L. I. Baron and V. M. Kurbatov, On the Problem of the Effect of the Scale Factor in Testing Rocks for Splitting. Coll.: Scientific Investigations on Mining of Coal and Ore Deposits [in Russian], Moscow, Gosgortekhizdat (1959).

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  2. I. G. Melnikidze, On the Effect of the Shape and Size of Rock Samples on their Mechanical Properties [in Russian], Gornyi zh., No. 9 (1959).

  3. G. N. Kuznetsov, Mechanical Properties of Rocks [in Russian], Moscow, Ugletekhizdat (1947).

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  4. B. M. Ginzburg, Characteristics of Tensile Testing by Tensile-Testing Machines [in Russian], Plasticheskie massy, No. 3 (1964).

  5. V. I. Égiz. Deformation and Strength Properties of Glass Laminates [in Russian], Plasticheskie massy, No. 11 (1964).

  6. M. I. Koifman, Effect of Size on the Strength of Rock Specimens. Coll.: Investigation of the Physicomechanical Properties of Rocks Applicable to Problems of Managing Rock Pressure [in Russian], Moscow, Izd. AN SSSR (1962).

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Authors and Affiliations

  1. Kuznetsk Research Institute, Prokop'evsk

    A. T. Zatonskikh, G. I. Volkova & N. P. Krivoshchekova

Authors
  1. A. T. Zatonskikh
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  2. G. I. Volkova
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  3. N. P. Krivoshchekova
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Additional information

Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 3, pp. 144–145, May–June, 1965

Publisher's note. “Ugleplast” literally means coal or carbon plastic, it is not otherwise identified.

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Zatonskikh, A.T., Volkova, G.I. & Krivoshchekova, N.P. The effect of the scale factor on the strength of ugleplast. Soviet Mining Science 1, 296–298 (1965). https://doi.org/10.1007/BF02501972

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  • DOI: https://doi.org/10.1007/BF02501972

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