Assessment of sinkhole hazard in the post-mining area using the ERT method and numerical modeling

• Autorzy: Ścigała Roman , Szafulera Katarzyna , Jendryś Marek

Identyfikatory

DOI

10.17402/570

• Języki publikacji: EN

Abstrakty

EN

The loss of stability of shallow voids existing in the rock mass often results in the formation of sinkholes on the surface. This has a significant impact on the threat to public safety. Therefore, it is crucial to recognize the presence of such voids, especially in old post-mining areas, where shallow extraction was previously conducted, and there is a lack of mapping documentation indicating the location of underground workings. This paper presents an example illustrating a proposed procedure for recognizing shallow voids, which consists of two research works: geophysical research combined with numerical analyzes used as a kind of forward modeling. This combination increases the possibility of accurately locating potential sinkhole occurrences. The first part of this article provides selected literature information on the occurrence of sinkhole hazards. The second part presents the results of subsurface layer investigations of the rock mass conducted using electrical resistivity tomography (ERT). The third part focuses on assessing the threat of sinkhole formation by using forward numerical modeling performed with the FLAC 3D software to confirm the subsurface structures identified through the ERT method. The results of the analyzes conducted with both methods are then discussed in terms of their suitability for assessing the associated risk. The research conducted within the framework of this study confirms the effectiveness of the ERT method combined with numerical modeling for evaluating the state of the rock mass. This method can be considered a valuable tool for supporting decision-making in identifying post-mining areas that are particularly at risk of sinkhole formation.

Słowa kluczowe

EN

shallow excavations; sinkhole threat; ERT method; numerical modelling; finite difference method; protection of mining areas

• Wydawca: Wydawnictwo Naukowe Akademii Morskiej w Szczecinie
• Czasopismo: Zeszyty Naukowe Akademii Morskiej w Szczecinie
• Rocznik: 2023
• Tom: nr 75 (147)
• Strony: 20--34
• Opis fizyczny: Bibliogr. 39 poz., rys., tab.

Twórcy

autor

Ścigała Roman

• Silesian University of Technology, Faculty of Mining, Safety Engineering and Industrial Automation 2a Akademicka St., 44-100 Gliwice, Poland

• https://orcid.org/0000-0002-6927-091X

autor

Szafulera Katarzyna

• Silesian University of Technology, Faculty of Mining, Safety Engineering and Industrial Automation 2a Akademicka St., 44-100 Gliwice, Poland

• https://orcid.org/0000-0001-7303-279X

autor

Jendryś Marek

• Silesian University of Technology, Faculty of Mining, Safety Engineering and Industrial Automation 2a Akademicka St., 44-100 Gliwice, Poland

• https://orcid.org/0000-0003-1159-1275

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).