Predictive model of seismic vibrations’ peak value induced by multi-face blasting

• Autorzy: Fuławka Krzysztof , Stolecki Lech , Mertuszka Piotr , Szumny Marcin , Anderko Arkadiusz

Identyfikatory

DOI

10.46873/2300-3960.1390

• Języki publikacji: EN

Abstrakty

EN

The seismicity level induced by blasting in the Polish copper mines is very important inlight of the efficiency of active rockburst prevention and safe conduct of blasting operations in the vicinity of the mining infrastructure such as shafts, workings, or function chambers (e.g., workshops, storages, etc.). Knowledge of the seismic vibrations' peak value might be the basis for designing blasting works in a way that ensures desired seismic effect. However, current experiences show that Peak Particle Velocity prediction models developed so far do not apply to multi-face blasting, where there are many vibrations’ sources at the same time dotted across the mining panel. This paper presents the assumptions of a new empirical model with validation data gathered in the underground trials of group blasting. This new method allows for determining the vibration level generated by firing a single face and the value of amplitude amplification resulting from the increased number of faces fired simultaneously in the group. Preliminary analysis shows that this newly developed predictive model is characterized by a high level of reliability and therefore was applied to assess the effectiveness of blasting works in the selected panel in one of the mines belonging to KGHM Polska Miedz S.A.

Słowa kluczowe

EN

rockburst prevention; de-stress blasting; mining seismology; dynamic analysis

PL

profilaktyka tąpaniowa; odprężanie; sejsmologia górnicza; analiza dynamiczna

• Wydawca: Elsevier ; Główny Instytut Górnictwa
• Czasopismo: Journal of Sustainable Mining
• Rocznik: 2023
• Tom: Vol. 22. iss. 3
• Strony: 248--256
• Opis fizyczny: Bibliogr. 22 poz.

Twórcy

autor

Fuławka Krzysztof

• KGHM Cuprum Ltd., Research & Development Centre, Poland

• https://orcid.org/0000-0002-0534-0712

autor

Stolecki Lech

• KGHM Cuprum Ltd., Research & Development Centre, Poland

• https://orcid.org/0000-0003-3645-9393

autor

Mertuszka Piotr

• KGHM Cuprum Ltd., Research & Development Centre, Poland

• https://orcid.org/0000-0002-2539-104X

autor

Szumny Marcin

• KGHM Cuprum Ltd., Research & Development Centre, Poland

• https://orcid.org/0000-0001-6253-0013

autor

Anderko Arkadiusz

• KGHM Polska Miedz S.A., Rudna Mine, Poland

Bibliografia

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Uwagi

PL

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