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2007 Siberia, Korschunowski-Tunnel

First elastic track application under extreme climatic conditions. The second single track Korschunowski tunnel runs at a distance of 30 m northeast of the already existing tunnel on the Wichorewka-Korschunicha, Tajeschet-Lena line. The construction work of the tunnel started 2004 and the costs amount to more than 3 billion ruble.

Calenberg Ingenieure designs, manufactures and markets elastomeric sliding bearings, and statically or dynamically loaded structural bearings (elastomeric bearings) for buildings and structures, sub-ballast mats and trackbed mats for track construction as well as other elastomer-based products for noise insulation and environmental protection.

The construction work has been completed and the first train has passed the tunnel. Alexander Skatschkow, the project engineer of the line said in 2008: "Time and traffic volume called for the construction of the second Korschunowski tunnel.

Calenberg Ingenieure designs, manufactures and markets elastomeric sliding bearings, and statically or dynamically loaded structural bearings (elastomeric bearings) for buildings and structures, sub-ballast mats and trackbed mats for track construction as well as other elastomer-based products for noise insulation and environmental protection.
Calenberg Ingenieure designs, manufactures and markets elastomeric sliding bearings, and statically or dynamically loaded structural bearings (elastomeric bearings) for buildings and structures, sub-ballast mats and trackbed mats for track construction as well as other elastomer-based products for noise insulation and environmental protection.

Due to the increase in freight and passenger trains on the Baikal-Amur mainline new demand for high speed service and safety requirement of the trains arose. For the construction of the new Korschunowski tunnel a new track construction so-called 'damping mats' was used for the first time in Russia!

The new technology reduces noticeably the vibration of the passing trains. The new tunnel allows the passage of 18 pairs of trains in 24 hours at a speed of 60 km/h and more. In the existing tunnel the travelling speed of the trains is no more than 40 km/h."

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