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Engineering Physics

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ENGINEERING PHYSICS SYSTEMATISATION OF THE GEOLOGICAL CONDITIONS OF UNDERGROUND MINING OF ORE DEPOSITS IN CRYOLITHIC ZONE
Yu.P. GALCHENKO

A new methodology for assessing the complexity of the geological structure of ore deposits for development purposes is proposed, a methodology for determining the criteria for comparative evaluation of the influence of geofactors in the geological structure on the conditions of application of geotechnologies in the development of ore deposits is substantiated. It is shown that the structure of the geological object developed during the development of the earth's subsoil is a system unity of the static component in the form of a stable geological structure and a dynamic component, in the form of characteristics of single ore bodies with high variability of the elements of their internal structure. It is established that the influence of each geological characteristics of the field on the level of complexity of its structure as a geological object is determined by the criterion, which is the sum of intermediate indicators reflecting the value of the geofactor and the relative magnitude of the variation of this value within the field, and the sum of these criteria for all geofactors gives an integral criterion for assessing the complexity of the structure of the field as an object of development. The substantiated new methodological approach and methods for determining the particular and General criteria for assessing the complexity of the field structure opens up prospects for the systematization of deposits not by individual geological characteristics (depth, angle of incidence, power, water cut, etc.), but by the sum of all characteristics integrated into the indicator of the complexity of the field structure.
Key words: field; geological composition; degree of difficulty; evaluation; Geotechnology; development.


DOI: 10.25791/infizik.03.2019.565

Contacts: E-mail: schtrek33@mail.ru

Pp. 44-49.

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