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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
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.
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