ANALYSIS OF THE IMPACT OF MINING AND GEOLOGICAL CONDITIONS ON THE PERFORMANCE OF THE PRODUCTION FACE FOR DIGITAL MODELING OF THE ROCK STRATA
The results of studies of the influence of mining and geological conditions on the performance of production faces in two extraction panels: longwall 50-03 mine. V. D. Yalevsky and longwall 66-09 mine "Taldinskaya-Zapadnaya 1". The extraction panels selected by the longwalls were assigned to different classes of technological reserves according to the criterion of cleaning face productivity and the digital models of the rock mass built on them, during the comparative assessment, allowed to identify the factors complicating the work of mechanized complexes. The results of observations of the performance of technological operations in the selected longwalls showed that the main factor disrupting the planned work in longwall 66-09, was the indicator of the propensity of the rocks of the immediate roof to collapse. The article presents the results of direct measurements of the location and parameters of the domes, identified the causes, mechanisms and patterns of their formation in order to further use this knowledge to predict such phenomena and develop ways to protect against them. In the built digital models of the rock mass in the mining and geological conditions of the two mining pillars contain quantitative parameters to define the types and classes of lateral rocks of the coal seams, estimates of the stability of the roof rocks and coefficients of lithotypes and inclination of the roof rocks to fall are used. The created digital models of the rock mass were analyzed and edited in the environment of geoinformation systems and added to the Bank of reference models, which are planned to be used for further research to improve computer methods of forecasting mining and geological conditions.