Authors: T.A. Tyuleneva

Title of the article: Improving the technology of elimination of sinkholes over mining workings

Year: 2021, Issue: 1, Pages: 4-26

Branch of knowledge: 25.00.22 Geotechnology (underground, open and construction)

Index UDK: 622.268.6:622:834

DOI: 10.26730/2618-7434-2021-1-4-26

Abstract: The analysis of the projects implemented in Russia for the elimination of opening mine workings showed that the vast majority of accidents associated with damage to the earth's surface in the form of sinkholes are predetermined by the critical values of the rock pressure in the watered cover sediments, a decrease in the bearing capacity of the support or its absence, and the loss of stability of the support bridges.
The prompt elimination of the formed sinkholes does not always have a positive result, because the sinkholes are filled with burnt rocks without identifying the causes. Therefore, the sinkholes are activated again, especially when the workings are flooded. In this regard, the justification of the parameters of the method of eliminating failures is an urgent scientific and applied task.
The problem of long-term stability of the opening mine workings, and consequently, the geotechnical and environmental safety of the earth's surface in the places where they are laid, can be solved only on the basis of a systematic approach to solving a complex of issues related to the specific influence of each element, both in space and in time. This article describes a method for designing the technological parameters of a combined method for eliminating sinkholes over mine workings based on the geological properties of rocks and mining and technical conditions, which allows us to reasonably calculate all the engineering parameters for guaranteed elimination of sinkholes.

Key words: mining operations inclined workings elimination of sinkholes stability of workings emergency areas

Receiving date: 10.01.2021

Publication date: 10.06.2021

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