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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Stability of corridors in the coal-pillar excavation process at deep depths
 Šňupárek, Richard ; Waclawik, Petr ; Kukutsch, Radovan
In order to verify the stress-strain manifestations of the corridor-pillar excavation at a depth of up to 900 m below the surface, an extensive system of geotechnical monitoring and observation of deformations and surface movement was implemented. Based on the results of the stress-strain monitoring, detailed analysis of corridor stability from the point of view of the convergence, deformation behavior of the surrounding rock mass and the function of the reinforcement used in the two monitored areas with different geological and operational conditions was carried out.
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