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One of the main tasks of open pit mining, besides maintaining the planned productivity, is to ensure the safety of production and personnel, and to keep the stability of the elements of open pit geotechnology. The open-pit mining operations form a large open-pit excavation for dozens of years, which results in a gradual change in the properties and state of the adjacent rock mass and in a decrease in its strength and elastic characteristics. This circumstance makes periodic monitoring of the geomechanical state of...

The gradual deepening of deposits development and long-term exploitation of open geotechnology elements, buildings and the industrial site facilities (control objects) of large mining enterprises result in paying considerable attention to the creation of integrated monitoring systems to control their stability (hereinafter referred to as the System). The article presents the basic principles of organizing the System using the example of Kovdorsky GOK JSC. The formation of the Zhelezny main open pit to a depth of 8...

Safety of underground mining is significantly complicated if horizontal tectonic stresses hugely predominate over vertical ones and influence of tectonic disturbances, heterogeneities of physical-mechanical properties of rocks and mountainous relief is considerable. To the date multiply efficient tool methods have been developed aimed at estimation and forecast of rockburst hazardous events in the highly-stress rock mass. They allow studying the stress-strain state of the rock mass in the vicinity of underground m...