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Nagorny tunnel
Construction date 1975 - 1979
Placed into commission 1980
Length of tunnel 1353,7 m
Tunnel section 62,2 m2
Tunneling method Drill and blast method
Lining Tunnel: cast-in-situ reinforced concrete
Location Far East railway, Berkakit-Tynda section
Location map

General information

Nagorny tunnel is the first Russian railway tunnel headed in permafrost ground. It is situated in the zone of high-temperature permafrost. Seismic activity of the area is 8 points. Preliminary design and design drawings for the tunnel construction were performed by “Lenmetrohyprotrans”.

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