Geomechanical validation of borehole stress-relief method in rockburst-hazardous rock mass

The numerical stress–strain modeling has revealed the natural and induced stress patterns in the rockburst-hazardous rock mass of the Nikolaevsk polymetallic deposit. Deeplevel mining induces higher stress concentrations in the roof and pillars in developing entries in the vicinity of stoping, and stress-relief zones in the sidewalls of the entries and stopes. With a view to reducing the rockburst hazard in the highest-stress areas, the borehole stress-relief method is validated and the borehole pattern design (diameter and spacing of boreholes) is optimized to ensure the maximum relaxation in the level pillars. It is found that in the conditions of the Nikolaevsk deposit, the stress level in rock mass surrounding the excavated stopes is governed, first of all, by the depth of the stope excavation, by the angle between the stope and the directions of the principal stresses, and by the type of rocks. The use of the resultant quantitative relationship between the stoping depth, orientation of the stopes relative to the principal stresses and the stress-relief drilling pattern makes it possible to ensure safe and efficient mining conditions.

Keywords: rockburst hazard, underground mining, rock mass, stress–strain behavior, pillar, numerical modeling, borehole stress-relief method, ground control.
For citation:

Rasskazov I. Yu., Sidlyar A. V., Potapchuk M. I., Miroshnikov V. I. Geomechanical validation of borehole stress-relief method in rockburst-hazardous rock mass. MIAB. Mining Inf. Anal. Bull. 2023;(5):5-17. [In Russ]. DOI: 10.25018/0236_1493_2023_5_0_5.


The study was carried out using the scientific equipment of the SharedUse Center for Scientific Evidence Processing and Storage at the Far East Branch of the Russian Academy of Sciences, supported by the Ministry of Science and Higher Education of the Russian Federation, Agreement No. 075-15-2021-663.

Issue number: 5
Year: 2023
Page number: 5-17
ISBN: 0236-1493
UDK: 622.831.32
DOI: 10.25018/0236_1493_2023_5_0_5
Article receipt date: 09.08.2022
Date of review receipt: 17.02.2023
Date of the editorial board′s decision on the article′s publishing: 10.04.2023
About authors:

I.Yu. Rasskazov, Dr. Sci (Eng.), Corresponding Member of Russian Academy of Sciences, Director, Khabarovsk Federal Research Center of Far Eastern branch of Russian Academy of Sciences, 680000, Khabarovsk, Russia, e-mail:,
A.V. Sidlyar1, Cand. Sci. (Eng.), Researcher, e-mail:, 
M.I. Potapchuk1, Cand. Sci. (Eng.), Leading Researcher, e-mail:,
V.I. Miroshnikov1, Cand. Sci. (Eng.), Senior Researcher, e-mail:,
1 Mining Institute, Far Eastern Branch of Russian Academy of Sciences, 680000, Khabarovsk, Russia.


For contacts:

A.V. Sidlyar, e-mail:


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