Use of tailings of enrichment for laying of the developed space of mines

To improve the safety and efficiency of mining ore deposits by the underground method, which are in close proximity to settlements, there is a need to create an artificial massif using a backfill. Such measures make it possible to control rock pressure and subsequently prevent subsidence and deformation of the earth’s surface. The article deals with the topical issue of using the waste of mining enterprises as a backfill of the worked-out area. The authors give the requirements for the materials that are used to fill the goaf. The characteristics of the ways of backfilling the mined-out area of mines with the use of various wastes of mining enterprises are presented. Domestic and foreign experience has shown that the use of tailings is an excellent and affordable material for filling. When using tailings, it is possible to reduce the cost of ore mining, and subsequently there is no need to allot land to new storage facilities for waste. Analysis of the results of the use of tailings revealed that it is advisable to use “thickened” tailings for backfill, since when thickening the volumes of waste are reduced, water is saved due to the use of recovered water, a pliable material is obtained that has good fluidity and can be in a liquefied state for a long time and do not delaminate. Such material can be transported by pipeline over long distances to the place of filling in the goaf and already in place it is possible to add a binder to it. As a binder, you can use not only cement, but also waste in the form of slag and ash. In the article, the authors provide a block diagram of the sequence of filling in spent chambers on the basis of “thickened” tails and the choice of a rational placement of the thickening unit for “current” tails.

Keywords: backfill, underground mining, artificial massif, mined-out space, tailings, mountain massif, “thickened” tailings, deep horizons, mine.
For citation:

Kulikova A.A., Kovaleva A.M. Use of tailings of enrichment for laying of the developed space of mines. MIAB. Mining Inf. Anal. Bull. 2021;(2—1):144-154. [In Russ]. DOI: 10.25018/02361493-2021-21-0-144-154.

Issue number: 2
Year: 2021
Page number: 144-154
ISBN: 0236-1493
UDK: 504.55.054:622(470.6)
DOI: 10.25018/0236-1493-2021-21-0-144-154
Article receipt date: 28.12.2020
Date of review receipt: 18.01.2021
Date of the editorial board′s decision on the article′s publishing: 01.02.2021
About authors:

Kulikova A.A.1, Senior Lecturer, e-mail:;
Kovaleva A.M.1, student, e-mail:;
1 NUST «MISiS», Moscow, Russia.

For contacts:

Kulikova A.A., e-mail:


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