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Article · CyberLeninK

Geometric models of typical complex-structured bench blocks

Bayan Rakishevich Rakishev, Abdraman I. Edilbaev, Auzhan S. Sakabekov, Аsfandiyar Orynbay, Nazira A. Mekebai, Temirlan S. Ibyrkhanov

Temirlan Ibyrkhanov
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Abstract

More complete extraction of minerals from the subsurface by reducing their losses further actualizes the problems of improving mathematical models of mining objects.The purpose of this work is to create geometric models of typical complex-structured blocks (CSB) that can be extended to real CSB.They are based on mining and geological models of virtual (typical) complex-structured ore blocks of the bench, consisting of scattered continuous (the first type) and dispersed ore bodies (the second type).The key parameters of these blocks are coordinates of characteristic points of isolated continuous and dispersed ore bodies, the lengths of segments of the contact lines between the ore bodies and the host rocks, and the areas of the ore bodies on CSB cross-sections.They determine the mining and geological characteristics (ore saturation, complexity of the geological and morphological structure of the block) of these objects.These characteristics are analytically interrelated with geometric parameters of separated ore bodies and the size of the layer of admixed rock or lost ore.They are the basis for the developed methodology of calculation of numerical values of geometric and mining-geological characteristics of ore bodies and the block as a whole and geometric models of the CSB.A computer program for automated determination of mining and geological characteristics of the CSB according to the given initial key parameters of complex-structured blocks was created.An example of calculation of these characteristics for typical complex-structured blocks is considered, and the significance of the research results in CSB development is shown.The proposed methodology of calculation of mining and geological models of CSB is an information basis for making decisions on economical and environmentally friendly development of complex-structured blocks of benches.The research results can be used in the exploitation of real complex-structured deposits to significantly reduce losses and dilution of minerals.

Mining Techniques and EconomicsGeomechanics and Mining EngineeringGeological Modeling and Analysisbench geometrygeometric modelingore dilution

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