CONSTRUCTION ASSOCIATION INTERBUDMONTAZH

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DESIGN AND CONSTRUCTION OF BESKYD TUNNEL

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The company won international tender of the European Bank for Reconstruction and Development for the construction of a double-track railway tunnel on Beskid-Skotarskoe section in the Carpathians. The tunnel is commissioned.

General information:

Tunnel length (incl. portals)1822 m
Tunnel length1764,5 m
Railway lines:2
Production area:120 sq. m
Total concrete amount: 81,872 cub. m
  • First stage:
33,224 cub. m
  • Second stage:
48,648 cub. m
Fittings, total:7 171 t
  • Arches (first stage):
2 405 t
  • Fittings frameworks (second stage):
4 766 t

Tunnel drilling and blasting was carried ledge after ledge. At first, excavation is carried out on upper ledge (calotte) for the entire length of the tunnel, and then the lower ledge was being excavated. 

When excavating calotte, temporary support of the excavation was arranged with arches with shotcrete coating. The penetration of the lower ledge was carried out with the temporary fastening anchors and shotcrete on reinforcing arches. Concreting of permanent lining was carried out using a mobile formwork.

https://www.youtube.com/watch?v=sUHNTDb7vg4

https://youtu.be/FJU_1hZdkdg


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 Progects



Construction Aassociation Interbudmontazh
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