Articles

New approach to zone division of surface of the ­deposit by the degree of sinkhole risk

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Authors:

B.B.Sadykov, orcid.org/0000-0003-2037-247X, Satbayev University, Almaty, the Republic of Kazakhstan, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Zh.D.Baygurin, Dr. Sc. (Tech.), Prof., orcid.org/0000-0002-6958-0707, Satbayev University, Almaty, the Republic of Kazakhstan, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

A.A.Altayeva, orcid.org/0000-0002-1675-6828, Institute of Mining named after D. A. Kunaev, Almaty, the Republic of Kazakhstan, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Zh.Т.Kozhaev, PhD, orcid.org/0000-0002-9976-9375, Kazakh National University al-Farabi, Almaty, the Republic of Kazakhstan

W.Stelling, Dr. Sc. (Tech.), Prof., orcid.org/0000-0001-6737-3619, Technische Hochschule Georg Agricola, Bochum, Germany

 повний текст / full article



Abstract:

Purpose. Development of a new method of zoning the surface of the field according to the degree of rock weakness, which is based on the energy criterion, which is determined by the difference in the potential gravitational energy of the rock element between the states of unstable and stable equilibrium.

Methodology. Experimental graphical analytic methods and mathematical modeling are applied.

Findings. A method of zonal regionalisation of the earth’s surface of the deposit according to the degree of sinkhole risk, taking into account the fracturing of rocks and the distribution of rock pressure in relation to the terrain is proposed. Verification of the results of the analysis of previously performed methods and theoretical propositions to substantiate the anisotropy of the density of the rock massif is carried out. The new method for determining the stress-strain state of a mountain massif considers the geoenergy of its density.

Originality. A new method has been developed for determining the stress-strain state of a rock mass through the difference in geo-energy between the state of stable and unstable equilibrium of a mass element.

Practical value. The developed method made it possible to increase the accuracy of the construction of the situational map of the field zoning according to the energy criterion by 15‒20 %.

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