Triaxial compression test procedure and data obtained on physical models of frame and honeycomb mine structures

The stress–strain behavior and the secondary stress field formation in surrounding rock mass around underground excavations is connected with the genesis, strength and elastic characteristics of rocks, with the sequence of ore and barren rock extraction and with the change in values of the effective stresses. This article describes the experimental studies into deformation processes in models of frame and honeycomb mine structures using a new adapted procedure of the stress–strain analysis in triaxial compression. Silicate cubic models 200 mm in size were subjected to triaxial compression on the designed testing machine at varied values of principal stresses scale-wise adjusted to the real in-situ conditions. Acoustic emission sensors were set on the surfaces of the rock specimens and inside the model excavations to record acoustic signals in the course of deformation of the models. The testing data obtained in physical modeling of gradual loading and immediate relief of the model structures to simulate the changing stress–strain behavior made it possible to identify the domains of damage and deformation in real time.

Keywords: triaxial compression, confining pressure, model materials, physical modeling, frame and honeycomb mine structures.
For citation:

Vysotin N. G., Ch.V. Khazhyylai, Kosyreva M. A., Shermatova S. S. Triaxial compression test procedure and data obtained on physical models of frame and honeycomb mine structures. MIAB. Mining Inf. Anal. Bull. 2021;(11):19-27. [In Russ]. DOI: 10.25018/0236_ 1493_2021_11_0_19.


The study was supported by the Russian Science Foundation, Project No. 19-17-00034.

Issue number: 11
Year: 2021
Page number: 19-27
ISBN: 0236-1493
UDK: 622.831; 622,2; 622.235
DOI: 10.25018/0236_1493_2021_11_0_19
Article receipt date: 06.09.2021
Date of review receipt: 10.09.2021
Date of the editorial board′s decision on the article′s publishing: 10.10.2021
About authors:

N.G. Vysotin1, Senior Lecturer, e-mail:,
Ch.V. Khazhyylai1, Graduate Student, e-mail:,
M.A. Kosyreva1, Graduate Student, e-mail:,
S.S. Shermatova1, Graduate Student, e-mail:,
1 Mining Institute, National University of Science and Technology «MISiS», 119049, Moscow, Russia.


For contacts:

N.G. Vysotin, e-mail:


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