Seismic activity reduction with the use of blasting and passive seismic tomography control, a case study from copper ore mine, Poland

• Autorzy: Gogolewska A. B. , Smolak D.

Identyfikatory

DOI

10.1007/s11600-021-00546-0

• Języki publikacji: EN

Abstrakty

EN

Deep copper ore mines in Poland have been struggling with seismic hazard since almost ffty years ago when the frst rock burst occurred. Increasing exploitation depth and mined-out space make the mining conditions constrained and severe causing the seismic activity to grow substantially. Consequently, rock burst preventive activities have to be incorporated into mining technology to provide work safety. To date, the group winning blasting has posed the most commonly used preventive measure, so its efciency in seismic energy reduction is of signifcant importance for the rock burst hazard mitigation. The more energy blasting works provoke to release the safer the work environment gets. The article aimed to assess the efciency of such an energy reduction, which was approached in two ways. Firstly, the drop of energy and in turn its reduction efciency was assessed simply using a percentage of provoked tremors’ energy and number. Next, the analysis employed passive seismic tomography results to fnd if provoked tremors took place in high-velocity zones. The analysis made it possible to verify the assumption that the more provoked energy occurs in such zones the more successful preventive blasting is.

Słowa kluczowe

EN

seismic hazard; induced seismic activity; passive seismic tomography; active rock bursts prevention

PL

zagrożenie sejsmiczne; sejsmiczność indukowana; pasywna tomografia sejsmiczna; aktywna profilaktyka tąpaniowa

• Wydawca: Instytut Geofizyki PAN ; Springer
• Czasopismo: Acta Geophysica
• Rocznik: 2021
• Tom: Vol. 69, no. 2
• Strony: 681--689
• Opis fizyczny: Bibliogr. 28 poz.

Twórcy

autor

Gogolewska A. B.

• Department of Mining and Geodesy, Wroclaw University of Science and Technology, Wroclaw, Poland

• https://orcid.org/0000-0002-6287-7241

autor

Smolak D.

• Hydrotechnical Department, KGHM Polish Copper JSC, Lubin, Poland

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