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Blasting delay pattern development in the light of rockburst prevention: Case study from polish copper mine
KGHM CUPRUM Ltd. Research and Development Centre, Wrocław, Poland.
KGHM CUPRUM Ltd. Research and Development Centre, Wrocław, Poland.
KGHM Polska Miedź S.A., Polkowice-Sieroszowice Mine, Kaźmierzów, Polkowice, Poland.
KGHM CUPRUM Ltd. Research and Development Centre, Wrocław, Poland.
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2019 (English)In: E3S Web of Conferences: IVth International Innovative Mining Symposium / [ed] M. Tyulenev, S. Zhironkin, A. Khoreshok, S. Vöth, M. Cehlár, D. Nuray, J. Janocko, S. Anyona, Y. Tan, A. Abay, D. Marasová and P. Stefanek, EDP Sciences, 2019, Vol. 105, article id 01012Conference paper, Published paper (Refereed)
Abstract [en]

In order to reduce the risk of induced seismicity related to underground mining, a number of preventive actions are applied in the form of passive and active prevention methods. The former are mainly of an organisational nature and their effectiveness is usually considered in the long term, while the active methods are mostly based on the detonation of explosives and are aimed to release the seismic energy accumulated in the rock mass. In this paper, modifications of the firing pattern aimed to concentrate the paraseismic vibrations while maintaining the appropriate excavation of the mining face has been verified on the basis of underground tests. The evaluation was based on fragmentation analysis. The obtained results confirmed, that the blasting pattern modifications related to the reducing of the face firing time do not cause significant differences in terms of the appropriate excavation of the mining face.

Place, publisher, year, edition, pages
EDP Sciences, 2019. Vol. 105, article id 01012
Series
E3S Web of Conferences, ISSN 2555-0403 ; 105
Keywords [en]
Copper mines, Detonation, Induced Seismicity
National Category
Other Civil Engineering
Research subject
Mining and Rock Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-75633DOI: 10.1051/e3sconf/201910501012OAI: oai:DiVA.org:ltu-75633DiVA, id: diva2:1344575
Conference
14th International Innovative Mining Symposium, IIMS 2019; Kemerovo, Russian Federation, October 14-16, 2019.
Available from: 2019-08-21 Created: 2019-08-21 Last updated: 2019-08-21Bibliographically approved

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Saiang, David

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