Zobrazeno 1 - 10
of 86
pro vyhledávání: '"P. Mertuszka"'
The biggest risk to operations in Polish copper is high-energy seismic tremors where hypocenters are located within the main roof strata. These phenomena occur often in the areas which are virtually free of tectonic disturbances. They are extremely d
Externí odkaz:
http://arxiv.org/abs/2006.02160
Among different types of hazards associated with underground mining in Polish copper mines, one of the most dangerous is rock burst hazard. Having in mind that the depth of exploitation is getting deeper, this problem will likely get worse in the nea
Externí odkaz:
http://arxiv.org/abs/2006.02125
Based on the finite element method formulated in three dimensions, a selected area of the salt mine has been modeled, embracing totally 2 separated, historically valuable mine rooms. The results of the computer simulations permitted elastic-viscous r
Externí odkaz:
http://arxiv.org/abs/1907.13406
The group winning blasting is one of the most often applied method of high-energy tremors provoking in underground mines of the Lower Silesian Copper Basin. The simultaneous detonation of dozens mining faces are performed in order to release of elast
Externí odkaz:
http://arxiv.org/abs/1903.04816
Antropogenic seismicity is one of the most important geomechanical hazard encountered in Polish deep copper mines. Obviously, it may have a negative impact on the peoples safety and the production process. In such circumstances, a number of both acti
Externí odkaz:
http://arxiv.org/abs/1903.04815
Autor:
Pytel, Witold, Mertuszka, Piotr
The exploitation of copper ore deposits in Polish underground mines is performed primarily by the use of blasting technology which seems to be relatively well suited to the hardness of the local rocks and to local mining and geological conditions. Bl
Externí odkaz:
http://arxiv.org/abs/1903.04813
Extraction of the copper ore deposit in the Legnica-Glogow Copper Basin in Poland is usually associated with high seismic activity. In order to face this threats, a number of organizational and technical prevention methods are utilized, from which bl
Externí odkaz:
http://arxiv.org/abs/1903.04232
One of the major problems associated with exploitation of the copper ore deposit in underground mines in Poland is the local disturbance in a state of stable equilibrium manifested in a sudden release of strain energy stored in the deformed rock mass
Externí odkaz:
http://arxiv.org/abs/1903.04230
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 14, Iss 5, Pp 1501-1513 (2022)
In this paper, selected methods of destress blasting efficiency assessment are presented, and novel quantitative methods based on in situ seismic measurements are proposed. The newly formulated solution combines two different approaches. The first, w
Externí odkaz:
https://doaj.org/article/014af76423c54ddab70230cafe658ccf
Publikováno v:
Applied Sciences, Vol 13, Iss 21, p 11881 (2023)
A simplified analytical method useful for ductile ground support design in underground mine workings is presented. This approach allows for maintaining the stability of sidewalls in rectangular openings extracted in competent and homogeneous rocks, e
Externí odkaz:
https://doaj.org/article/b279f64589f1427b9109206adadf6798