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The development of dewatering predictions of the Velenje coalmine
ID Vukelić, Željko (Avtor), ID Dervarič, Evgen (Avtor), ID Šporin, Jurij (Avtor), ID Vižintin, Goran (Avtor)

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Izvleček
The complex hydro-geological situation, particularly in terms of groundwater, has been a constant threat to the mining carried out at the Velenje colliery since its inception. Of particular interest to the authors are the difficulties presented to the colliery by the adjacent sand aquifers, as the water pressure within these sands directly impacts mining safety, and the aquifers themselves are most directly affected by dewatering. In order to monitor water levels and estimate dewatering at the Velenje wells, multi-layered modelling using 3D Finite Difference Method (FDM) has already been carried out. However, FDM is not optimal due to its greater dependence on cell size than on water flow. In 2017 in Velenje, a series of wells will be terminated as a result of mining and mining-induced subsidence, leading to dewatering and danger of flooding. As part of a plan to address this by replacing dewatering structures, a series of drive-in filters will be implemented around the entry and exit point tunnels of a longwall face. Because FDM seems to be inadequate for purposes of optimising this process, the Finite Elements Method (FEM) was applied in this case. Based on such an application of FEM, a prediction of the optimisation of drive-in filters was carried out by the authors.

Jezik:Angleški jezik
Ključne besede:colliery, coal mine, excavation, pumping, dewatering, predicted dewatering, groundwater, aquifer, Velenje coal mine
Vrsta gradiva:Članek v reviji
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:NTF - Naravoslovnotehniška fakulteta
Status publikacije:Objavljeno
Različica publikacije:Objavljena publikacija
Leto izida:2016
Št. strani:9 str.
Številčenje:Vol. 9, iss. 9, art. 702
PID:20.500.12556/RUL-131544 Povezava se odpre v novem oknu
UDK:622
ISSN pri članku:1996-1073
DOI:10.3390/en9090702 Povezava se odpre v novem oknu
COBISS.SI-ID:1622367 Povezava se odpre v novem oknu
Datum objave v RUL:29.09.2021
Število ogledov:1044
Število prenosov:132
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Gradivo je del revije

Naslov:Energies
Skrajšan naslov:Energies
Založnik:Molecular Diversity Preservation International
ISSN:1996-1073
COBISS.SI-ID:518046745 Povezava se odpre v novem oknu

Licence

Licenca:CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Začetek licenciranja:01.09.2016

Projekti

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:L1-5451
Naslov:Ocena možnosti geološkega zajemanja CO2 v nizko zrelih premogih: Velenjski bazen, Slovenija kot naravni analog

Financer:Drugi - Drug financer ali več financerjev
Program financ.:Velenje coalmine

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