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TBMs Launched on Kanpur Metro Project

India Kanpur Metro Staff

Tunneling on a 1km-long passage for India’s Kanpur Metro Rail project began yesterday.

The section among Chunniganj and Nayaganj is part of the 23km-long Corridor-1 of the section and will be excavated utilizing two Terratec EPBMs.

The principal machine, named Nana after freedom fighter Nana Saheb Peshwa, began the down-line tunnel from Bada Chauraha to Nayaganj yesterday. The second TBM, named many tatya Tope, an overall in the Indian Rebellion, will start work on the up-line bore in about fourteen days.

The two EPBMs, with 80m long and a 6.52 diameter, are each predicted to advance 10m per day. The TBMs will drill through geology involving soil, clay, silt, and sandy silt.

Contractor Gulermak-Sam India JV picked two EPB machines outfitted with a spoke-type cutterhead with 57% opening. For added flexibility, Terratec planned the cutterhead to empower cutting instruments to be replaceable for 17″ disc cutters, permitting the machine to excavate through diaphragm walls and any other obstacles, like old wells and foundations. Tunnel linings will involve 275mm-thick x 1,500mm precast universal-style lining rings of five segments in addition to the key.

Talking at the launch, Uttar Pradesh Metro Rail Corporation acting managing director Sushil Kumar said the beginning of passage development among Chunniganj and Nayaganj was another achievement for Kanpur Metro.

“The TBMs Nana and Tatya will lead our method for satisfying the fantasy of a top-notch metro framework in Kanpur,” he said. “The stretch among Chunniganj and Nayaganj is one of the most active routes of the city and covers a few noticeable places. With the assistance of these state of art TBMs, we will actually want to develop underground tunnels in the core of the city with complete security without influencing the traffic on the streets. As construction work on the underground section between Kanpur Central and Transport Nagar has also started, I believe that our group with their dedication will actually want to accomplish targets in the specified time.”

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