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Verification of stress state monitoring in the surroundings of the roadway ahead of longwall mining based on the results of 3D scanning of roadway deformation, Bogdanka Mine, Poland
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SYSNO ASEP 0556443 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Verification of stress state monitoring in the surroundings of the roadway ahead of longwall mining based on the results of 3D scanning of roadway deformation, Bogdanka Mine, Poland Author(s) Waclawik, Petr (UGN-S) RID
Kukutsch, Radovan (UGN-S) RID, ORCID
Walentek, A. (BE)
Herezy, L. (PL)
Schuchová, Kristýna (UGN-S) ORCID
Korbel, J. (CZ)Number of authors 6 Source Title Proceedings of the 2022 Resource Operators Conference. - Wollongong : University of Wollongong, 2022 / Aziz N. ; Mirzaghorbanali A. - ISBN 978-1-74128-353-2 Pages s. 164-176 Number of pages 13 s. Publication form Online - E Action Resource Operators Conference 2022 Event date 10.02.2022 - 11.02.2022 VEvent location Wollongong-Brisbane Country AU - Australia Event type WRD Language eng - English Country AU - Australia Keywords 3D laser scanning ; stress measurement ; roadways deformation Subject RIV DH - Mining, incl. Coal Mining OECD category Mining and mineral processing Institutional support UGN-S - RVO:68145535 Annotation For designing precisely the reinforcement of mine tunnels and reinforcing underground structures in general, knowing stress and deformation states in the rock massive (hereinafter also referred to as the “RM”) in the immediate vicinity of these mine works as precisely as possible is absolutely decisive. Stress is usually determined by interpreting deformation processes in the RM. These can be monitored and measured relatively exactly. Tunnels are loaded especially by longwall pressures. In addition, the distribution of stress is also influenced significantly by older mining activities, edges and pillars in the rock cover, or by seams mined through old-workings. All of these factors can influence significantly stress and thus also deformation manifestations in the surroundings of mine works. For the purpose of checking changes in the state of stress in the RM induced by mining, the monitoring of the state of stress in the RM in connection with mining seam 385 using longwall G6 in the black coal mine of LW Bogdanka in Poland was designed and carried out. The purpose of the monitoring carried out was to verify changes in the stress tensor during the mining process. For the purpose of verifying the monitoring of stress, the survey of the state of the tunnels was carried out using a pulse 3D scanner in the place of the geotechnical station (GS). The purpose was to capture deformation changes ahead of the advancing longwall face in the surroundings of the GS. Workplace Institute of Geonics Contact Lucie Gurková, lucie.gurkova@ugn.cas.cz, Tel.: 596 979 354 Year of Publishing 2023 Electronic address https://ro.uow.edu.au/cgi/viewcontent.cgi?article=2491&context=coal
Number of the records: 1