On evaluation of complex-structured coal deposits based on their typical geometric features

¹ JSC “SUEK-Kuzbass”, Surface Mining Office, 652507 Leninsk-Kuznetsky, 1 Vasil’eva st., Russian Federation
² T.F. Gorbachev Kuzbass State Technical University, Open Pit Mining Department, 650000 Kemerovo, 28 Vesennyaya st., Russian Federation
³ Technical University of Kosice, Faculty BERG, Letná 9, 04200 Kosice, Slovak Republic

^* Corresponding author: katsubinav@kuzstu.ru

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.