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The Prof., Doctor of Engineering Sciences Garry G. Litvinsky
(DonsSTU, Alchevsk, Ukraine)
THE FOUNDER OF THE DOMESTIC SCIENCE
ABOUT ROCK PRESSURE
To memory of Prof. M.M. Protodjakonov it is devoted
Sources and the science initial stages about rock pressure are shown. Authors of the basic scientific hypotheses of the natural arch are mentioned. The short science biography of prof. M.M.Protodjakonov is given as the founder of the doctrine about rock pressure in a domestic science. His scientific contribution to development of rock geomechanics is appreciated.
Statement of problems about rock pressure in developments is considered. Small and big depths of working out are discussed. The problem of the mine working optimum form is stated and solved. Influence of the mode of deformation on the mine working form is appreciated. The main technical contradiction of rock geomechanics and fundamental laws of rock pressure change is formulated. Laws of changing of rock pressure parametres on "small” and "big” depths are investigated. The new classification of rock pressure based on local normalized destruction criterion of rock is offered. The new method of calculation of the natural arches is developed.
Keywords: rock pressure, development stages, natural arch, authors of hypotheses, Prof. M.M. Protodjakonov, scientific contribution, founder science, rock geomechanics, rock pressure, "small” and "big” depths, mine working optimum form, mode of deformation, classification of rock pressure
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