Identification of Nonstationary Changes in Stress State of Geomaterials by Infrared Radiometry Data |
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| Authors: | V. I. Sheinin B. V. Levin D. I. Blokhin A. V. Favorov |
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| Affiliation: | (1) The N. M. Gersevanov Institute of Foundations and Underground Constructions, Moscow, Russia;(2) The P. P. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia |
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| Abstract: | The measurements of intensity of infrared radiation from the surface of rock sample under nonstationary change in stress state are described. The synchronized records of alterations in axial stress of sample under the uniaxial compression and the corresponding time variations in the intensity of infrared radiation from the sample surface are obtained. It is shown that identification of the parameters of elastic oscillations under the action of nonstationary load is reliable. |
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| Keywords: | geomaterials stress time dependences infrared radiation probabilistic analysis nonstationary processes damping |
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