МРНТИ 52.13.19                                                                                                    №4 (2020г.)

Igigbaev R.K., Igizbaev M.K., Igizbaev K.B.

The article presents the results of solving problems using a new technology for the development of mineral deposits, allowing them to achieve mining
deep up to 2000.0 m and more. Increasing the depth of the quarry is carried out by increasing the angles of slopes sides of the quarry, based on the results of theory and methods for predicting and preventing geomechanical disasters in the developed spaces of quarry fields. The issues of combined development of the remaining reserves of project losses by underground method are also considered. The technology proposed by the authors allows to ensure: the maximum degree of safety of mining operations; significantly increase the completeness of the extraction of minerals, by reducing the design and operational losses of minerals in quarries to 20-25%, and with combined development to 12.0-15% of the total explored balance reserves of the field; significantly reduce the extraction cost per 1.0 tons of minerals and etc.
Keywords: Slope, ledge, side, forecast, prevention, slip grid, geomechanical disaster, design and operational losses.