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Scientific, Technological and Production Journal
ISSN 2079–3332 (print)
ISSN 3034-6835 (online)
founded in 2001

Assessment of the degree of damage to rock salt samples during their cyclic deformation (based on thermoradiation measurements)

Original articles: 2026 No 2

Assessment of the degree of damage to rock salt samples during their cyclic deformation (based on thermoradiation measurements)

DOI: 10.56195/20793332-2026-26-2-47-52

Read in pdf D. I. Blokhin, E. B. Cherepetskaya
  1. National University of Science and Technology "MISIS", Moscow, Russian Federation
p. 47-52, No.2/2026
Abstract:
The possibility of obtaining information on the increase in disturbance of geomaterials caused by the intensification of deformation processes occurring in them is investigated by variations in the intensity of concomitant IR radiation. The results of experiments on the registration of thermal radiation from the surface of rock salt samples under conditions of uniaxial compression close to the limit conditions of periodic loading are presented. The qualitative identity of the recordings of mechanical parameters and variations of IR radiation characterizing changes in the stress–strain state of the tested rock samples is shown. It has been established that the recorded changes in the angle of inclination of the dependences of the intensity of thermal radiation from the surface of rock salt samples on longitudinal deformation in areas of load growth under high–amplitude periodic exposure are similar to changes in the values of the deformation modulus E, calculated in the same way in the corresponding sections of the stress-strain diagrams. It is concluded that it is possible to use the results of non-contact thermoradiometric measurements, namely, data on changes in the angle of inclination of these curves as an indicator of the degree of disturbance of geomaterials.
Keywords:
geomaterials, cyclic loading, stresses, deformations, disturbance, thermal radiation
For citation:
Blokhin D.I., Cherepetskaya E.B. Assessment of the degree of damage to rock salt samples during their cyclic deformation (based on thermoradiation measurements). Mine Surveying and Subsurface Use. 2026; 26 (2): 47-52. (In Russ.). https://doi. org/10.56195/20793332-2026-26-2-47-52.
Information about the authors:
  1. Dmitry I. Blokhin – Cand. Sci. (Eng.), Associate Professor, Associate Professor of the Department of Physics, National University of Science and Technology “MISIS”, Moscow, Russian Federation; https:// orcid.org/0000-0002-4652-661X; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
  2. Elena B. Cherepetskaya – Dr. Sci. (Eng.), Professor, Professor of the Department of Physical Processes in Mining and Geological Control, National University of Science and Technology “MISIS”, Moscow, Russian Federation; https://orcid.org/0000-0002-9642-2149
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