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Fundamental and applied issues of mining

2021 year, number 1

ABOUT THE STRUCTURE OF TECHNOGENICALLY CHANGED SUBSOIL AS A NEW LITHOSPHERIC OBJECT

V. A. Eremenko, Yu. P. Galchenko, M. A. Kosyreva, A. R. Umarov
Mining Institute, National University of Science and Technology "MISIS", Moscow, Russia
Keywords: Technogenically changed rock mass, lithosphere, disturbance, secondary stress field, parameters of technogenically changed state GD and rock mass stability RMS, stresses, microstrain

Abstract

The authors discuss the structure and formation character of technogenically changed subsoil. A quantitative assessment of the stability of technogenically changed rock mass is proposed, obtained as the sum of the indicators determined using various geophysical and geomechanical methods and characterizing the array of indicators converted into dimensionless quantities by the ratio of their values changed during mining operations to the initial values.