№81-1
Substantiation of methods for predicting early detection of increased deformation zones to ensure reuse of mine workings
V. Bondarenko1, I. Kovalevska1, R. Halkov1,O. Mamaikin1, I. Sheka1
1Dnipro University of Technology, Dnipro, Ukraine
Coll.res.pap.nat.min.univ. 2025, 81:7–17
Full text (PDF)
https://doi.org/10.33271/crpnmu/81.007
ABSTRACT
Purpose. The research is aimed at substantiating methods for early detection of increased deformation zones in mine workings for their reuse.
Methods. To achieve the purpose set, an integrated approach is used, including analysis of methods for monitoring the condition of mine workings and predicting their deformations, as well as scanning mine workings to identify increased deformation zones using the Trimble RealWorks software.
Findings. The technologies that allow to respond promptly to changes in geomechanical conditions in mines are analyzed. Based on the method of 3D scanning of workings, an experiment aimed at predicting and early detection of zones of increased deformation was carried out and dependencies of changes in the width and height of the workings were built based on the results of field observations of the support of the 148th prefabricated drift of the Yubileynaya mine without early prediction and based on the results of 3D scanning and early prediction, as well as the dependence of the change in the cross-section of the working face based on the results of field observations of the support of the 148th prefabricated drift of the Yubileynaya mine without early forecasting and based on the results of 3D scanning and early forecasting. It is critically important to limit the pressure on the entire contour of the frame, and one of the ways to solve this problem is to install reinforcement support risers.
Originality. For the first time, an experiment aimed at predicting and early detection of zones of increased deformation was conducted on the basis of the 3D scanning method of workings. The dependencies of changes in the width, height and cross-section of the working face were constructed based on the results of field observations of the support of the 148th prefabricated drift of the Yubileynaya mine without early prediction and based on the results of 3D scanning and early prediction. The data obtained was used to install the support risers, which helped to improve safety.
Practical implications. The obtained results prove that the use of predicting methods for early detection of increased deformation zones makes it possible to identify potentially dangerous areas at the stage of preparation and operation of mine workings, which, together with timely measures to strengthen and stabilize structures, will ensure the preservation of infrastructure and reduce the cost of retimbering mine workings.
Keywords: rock mass, repeated use, mine working condition, artificial intelligence.
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