Abstract
Information about the geological structure of Kuznetsky coal basin (Kuzbass) allows us to note that coal deposits developed by open-cast method are characterized by complicated conditions and have the following features: large length of deposits at significant depths of occurrence; coal series bedding of different thicknesses (from 1 to 40 m); different dip angles (from 3 to 90º); a significant number of dip and direction disturbances; different thickness of unconsolidated quaternary sediments (from 5 to 40 m); a wide range of strength values of rocks. In addition, there is a thickness irregularity and frequent variability of elements of occurrence of coal seams within the boundaries of a quarry field both in length and depth of mining. From the point of view of open-pit mining, such deposits are complex-structured. The factors listed above have a decisive influence on the choice of technical means, the order of development and the possibility of carrying out surface mining operations. Therefore, there is a need for a systematization of mining and geological conditions for the development of coal deposits, the purpose of which is to ensure a process of evaluation of complex-structured coal deposits for the development of coal-bearing zones by various complexes of equipment.
Highlights
The most general assessment of the conditions of mineral deposits is given in a number of works by Academician V.V
Information about the geological structure of Kuznetsky coal basin (Kuzbass) allows us to note that coal deposits developed by opencast method are characterized by complicated conditions and have the following features: large length of deposits at significant depths of occurrence; coal series bedding of different thicknesses; different dip angles; a significant number of dip and direction disturbances; different thickness of unconsolidated quaternary sediments; a wide range of strength values of rocks
In this work systematization of Kuzbass deposits is made by the dip angle of coal seams taking into account technological factors
Summary
The most general assessment of the conditions of mineral deposits is given in a number of works by Academician V.V. - the presence of a common horizontal layer for all coal seams of the formation; - possibility of working off all seams of the strata from the side of the hanging wall; - alternating mining of seams of different thicknesses. The solution of these problems should be based on the assessment of conditions for the occurrence of complex-structured coal deposits of Kuzbass. In contrast to V.V. In contrast to V.V Rzhevsky, who proposed this general feature for the typification of the developed deposits of any minerals, in this case it is used to describe in detail the formation of coal seams in the Kuzbass open pits
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