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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Geomechanical and geophysical experience gained in the process of exploration in the safety pillars of former shafts Doubrava
 Kubica, M. ; Holečko, J. ; Ptáček, Jiří
The excavation in the safety pillars is in mostly cases specific minig problem. It is primarily related to the properties of rock mass and to the long-term excavation in the circumjacent part of the deposit. That is why the high stres concentration acumulates and consequently rock burst risk is rising there. In our contribution, we would like to state the first geomechanical and geophysical experiences from the excavation in the safety pillar of former shafts Doubrava in the north part of Karviná subbasin.
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