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National Repository of Grey Literature 4 records found  Search took 0.00 seconds. 
Seismic effect of blast operations and induced seismic events in Rožná 1 Mine - 2015
 Kaláb, Zdeněk ; Lednická, Markéta ; Kaláb, Tomáš
This research report describes results of experimental seismological measurement in Rozna Mine in 2015. Mining induced seismic events were not detected.
Detailed record
Experimental seismological measurement in railway tunnel Olbramovice
 Stolárik, Martin
The paper describes another experimental seismological measurement in shallow tunnel, located at Fourth railway corridor. New Austrian Tunneling Method was used to construct the tunel using blasting operations on core.
Detailed record
Seismic Loading of Underground Bridge above Medieval Mine
 Knejzlík, Jaromír ; Lednická, Markéta ; Kaláb, Z.
Problems with high seismic load in the medieval Jeroným mine working were generated also by heavy trucks on the road above the mine. Because damages of road occurred above the near shallow mine spaces, the road was supported by underground bridge. This paper describes experimental seismic measurements that was targeted the traffic loading of underground spaces.
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Schemes of seismic experimental measurements in the railroad tunnel Mosty u Jablunkova
 Stolárik, Martin
It comes to general reconstruction of obsolete main railroad tracks and development of railway corridors in Czech Republic. In relation to this, new railroad tunnels are built, or present ones are reconstructed. Reconstruction of old tunnel represents tunneling of new underground space. The cross section of singletrack tunnel is often enlarged to double-tracked one. New tunnel constructions are realized using New Austrian Tunneling Method (NATM) when blasting operations are one of driving technologies. Typical example of this reconstructed tunnel is tunnel in the mountain pass Jablunkov. Two single-track railroad old tunnels are situated in this location. The older tunnel (1871) operated at the present time as a provisional and the junger one (1917) reconstructed. Both of them are near one another. Experimental seismological measurement was realized in the reconstructed tunnel on the tunnel floor.
Detailed record

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