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Nagpur Metro's 257-metre engineering feat

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In short

The specialized 257-metre structure incorporates a 110-metre central span flanked by two smaller spans of 74 metres and 73 metres across South East Central Railway tracks. MahaMetro has finished substructure foundations and is progressing with the superstructure from the Kamptee end while preparing a 10.5-metre hammerhead platform on the Nagpur side. A specialized 40-tonne form traveller machine will systematically cast and extend segments outward to bridge the gap. Crews are maintaining continuous day and night shifts at Uppalwadi to assemble the crossing despite intense rail corridor limitations.

Key points

  • Completing the bridge enables Reach-2A corridor services to extend transit connectivity t…: Completing the bridge enables Reach-2A corridor services to extend transit connectivity toward Kamptee beyond Phase-I limits.
  • Utilizing form traveller machinery prevents service interruptions across the busy railway…: Utilizing form traveller machinery prevents service interruptions across the busy railway lines operating underneath the construction zone.
  • Continuous day and night work shifts are required at Uppalwadi due to severe ground-level…: Continuous day and night work shifts are required at Uppalwadi due to severe ground-level space constraints.

Sources checked by our analysis pipeline: 1

Nagpur Metro bridge to cross three major railway lines

The 257-metre structure will pass over three railway lines: Godhani-Kalamna, Chhindwara-Nagpur and Khaparkheda; falling under the South East Central Railway. The busy railway corridor makes this one of the most technically demanding components of the Nagpur Metro Phase-II project.Read more - Nitin Gadkari says no challan for speeding up to 20% over the limit: What he told officials, when challans should be issued & what motorists must know

The bridge will have a central span measuring 110 metres directly above the railway tracks. It will be flanked by two additional spans of 74 metres and 73 metres, respectively. The Metro rail level will be approximately 24 metres above the ground.

MahaMetro has completed the substructure work, while construction of the superstructure has started from the Kamptee end, officials confirmed.

How is Nagpur Metro building the bridge without scaffolding?

The project uses the balanced cantilever construction technique, which allows engineers to extend the bridge horizontally from supporting pillars without relying on extensive temporary structures underneath.Under this method, concrete segments are cast successively…

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