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Bridge across the Unzha River
Railway construction / Bridge across the Unzha River

Railway bridge across the Unzha River

The Bridge is at the 655th kilometer of the Bouy—Svecha line of the Northern Railway.
Work started: December 2003; Work completed: November 2005.

The Bridge structure is 27.0+2х110.0+27.0 meters. The span structures over the banks are metal deck spans. The span structures over the river are metal though spans. Ballast-free reinforced concrete slabs are installed on all the span structures.

The project involves building a bridge for the 2nd track on the new line, as well as building accesses to the new bridge until they connect to the two-track sections that includes preparing the roadbed, laying the top structure of the tracks, rebuilding the railway crossing, and installing a storm water drain.

The bridge supports are the main of solid reinforced concrete on pile foundations. The installation of the span structures over the river was performed using the cantilever and semi-cantilever methods. The installation of the span structures over the banks was performed using a crane GEPK-130U after they were slid transversely to the axis of the 2nd track.

Vibrating pile drivers and Junttan PM 26 LC drilling assemblies were used to install piles and set up temporary supports. The assembly and installation of the span structures were performed using high-payload cranes HITACHI KH500L-PD, GROVE, LIEBHERR-LTM 1250/1.

The Bridge reconstruction was carried out in the conditions of heavy train traffic.

   



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  • Moscow, Russia
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