STUDIES OF THE PATTERNS OF DEFORMATION CHANGES DEPENDING ON THE TECHNOLOGICAL PARAMETERS OF THE TREATMENT FACE FOR INCLINED DEPOSITS

The article considers the development of a technological scheme for mining inclined deposits with an angle of incidence from 20 to 35 degrees on the example of the Zhilandy deposit using a chamber-column system. Deterioration of geomechanical conditions caused by incorrect parameters of the development system requires adjustment of these parameters. To solve this problem, modeling of the rock mass using the finite element method was carried out. As a result, the main compressive and tensile stresses were determined depending on the depth of working. The calculation of the parameters of the inter-chamber targets was also carried out taking into account various mining factors. The analysis of the numerical simulation results made it possible to determine the permissible parameters of the cleaning chamber and the inter-chamber whole depending on the angle of occurrence. It was found that the inter-chamber whole of the classical vertical shape is permissible only when the angle of incidence of the ore body is up to 25 degrees. A new technology for mining inclined deposits with an angle of incidence of 20-35 degrees using a chamber-column system was developed based on studies of the Zhilandy deposit.