Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Julián Kondela"'
Publikováno v:
Resources, Vol 10, Iss 2, p 16 (2021)
Mineral deposits are essential for the economic, technological and social development. However, to enable them to play an appropriate role in the process of sustainable development, they need to be safeguarded in a comprehensive and systemic manner i
Externí odkaz:
https://doaj.org/article/88b41d4179ef49d793132504a44bd6f0
Autor:
Peter Blistan, Stanislav Jacko, Ľudovít Kovanič, Julián Kondela, Katarína Pukanská, Karol Bartoš
Publikováno v:
Minerals, Vol 10, Iss 2, p 174 (2020)
A frequently recurring problem in the extraction of mineral resources (especially heterogeneous mineral resources) is the rapid operative determination of the extracted quantity of raw material in a surface quarry. This paper deals with testing and a
Externí odkaz:
https://doaj.org/article/9cf2b05959f04c7ca00dc6df27acd7a6
Autor:
Julián Kondela, Tibor Sasvári
Publikováno v:
Acta Montanistica Slovaca, Vol 15, Iss 3, Pp 256-260 (2010)
Magnesite deposit Jelsava – Dubravsky Massif represents one of the foremost deposits in Europe, even in the world, in terms of itsreserves size. A geological exploration and development of new blocks between the elevation levels of 220m and 320 m a
Externí odkaz:
https://doaj.org/article/2d017bb9e15843bf8a5602f1638e1e10
Publikováno v:
Acta Montanistica Slovaca, Vol 12, Iss 1, Pp 12-19 (2007)
Branisko tunnel (Slovak Republic) was partly excavated by full-profile drifter. The rock massif deformed by tectonic structures markedly influences energetic and pace demands of tunnel drifter. Analysis of relevant relationships between monitored out
Externí odkaz:
https://doaj.org/article/db18c67156ea4d4cb13e33c0b6f85561
Publikováno v:
Acta Montanistica Slovaca, Vol 12, Iss 1, Pp 29-36 (2007)
Secondary invocation seismic waves, which are presently produced by the seismic survey of the upper part of earth crust, can have anfavourable impact on buildings and other engineering works. Therefore, their measurement and monitoring is required. I
Externí odkaz:
https://doaj.org/article/e8a938cf31a149ecbe941e3b7d05c1b7
Publikováno v:
Acta Montanistica Slovaca, Vol 11, Iss 1, Pp 70-85 (2006)
Investigation of bends, fold deformations, sigmoidal foliation trend as well as displacement of Silica Nappe surfaces revealed gradual evolution of Late Cretaceous tectonic movements in the limestone quarry Gombasek located on Plešivec Plateau of Si
Externí odkaz:
https://doaj.org/article/f668494425be44dc8aff2786c4376f10
Publikováno v:
Materiały Wysokoenergetyczne / High Energy Materials. :48-62
Recently, negative effects of the blasting operations and quantification of the seismic safety are regarded as very important technical problem in quarries. The impact of blasting operations is accompanied by both positive and negative seismic effect
Autor:
Julián Kondela, Roman Farkasovsky, Stanislav Jacko, Tomáš Mikuš, Barbora Ščerbáková, Diana Dirnerova
Publikováno v:
Journal of Geosciences. :179-195
Publikováno v:
Journal of Applied Geophysics. 159:304-311
The significance of otherwise not frequently applied seismic methods in area of open pits increases by occurrence of unpredictable phenomena threatening the deposit during mining operation. Recognizing natural hazards as rockslide, its arrangement an
Autor:
Tawfik Mudarri, Ivan Buchla, Blazej Pandula, Marian Sofranko, Jan Feher, Julián Kondela, Jozef Cambal
Publikováno v:
Applied Sciences
Volume 11
Issue 5
Applied Sciences, Vol 11, Iss 2118, p 2118 (2021)
Volume 11
Issue 5
Applied Sciences, Vol 11, Iss 2118, p 2118 (2021)
Vibrations caused by blasting works have an impact not only on buildings but also the internal environment of the buildings. If these buildings are situated in the surroundings of quarries, the citizens can perceive these vibrations negatively. By ap