Effective methods of reopening of the areas of open pit fields on flat deposits

摘要

On the basis of the developed innovative technology of intensive mining of high benches of the scheme with two subbenches and wide panels with varying levels of working platforms achieved an effective reopening of the eastern part of open cut "Maykubensky". Compared with the traditional technology of mining coal seams along the strike change in order of mining will increase the amount of opened up stocks by 11.4% with the reducing average operating overburden ratio by 10.1%.