Process of lowering of fourth TBM done successfully

  • | Monday | 2nd October, 2023

Kanpur: The process of lowering of the fourth Tunnel Boring Machine (TBM) in the Corridor number-1 (IIT-Kanpur to Naubasta) of the Kanpur Metro Rail Project has been successfully done. This TBM machine will construct a 1250-metre (approx.) long tunnel on the downline from Kanpur Central to Nayaganj.For tunnel construction on the up-line in the said section, Uttar Pradesh Metro Rail Corporation (UPMRC) has already lowered all the parts of the third Tunnel Boring Machine and positioned them at the fixed location for tunnel construction.The middle shield of this TBM was lowered into a launching shaft approximately 18 metres deep, 21 metres long and 25 metres wide. In the coming days, parts of the machine like the front shield, tail shield, cutter head, screw conveyor etc. will be lowered into the launching shaft one by one, and after this, all the parts of the TBM will be aligned in the shaft and mechanical components and wires will be connected to complete the machine. In the 4.24 km (approx.) long Kanpur Central-Transport Nagar underground section, two TBMs will first construct a 1250 metre (approx.) long tunnel from Kanpur Central to Nayaganj on Up-line and Down-line after which tunnelling will be done in the remaining parts of this section.The two TBMs---Nana and Tatya are already carrying out tunnel construction work on the approximately four km long Chunniganj-Nayaganj underground section. With the launch of two new TBM machines in the Kanpur Central-Transport Nagar underground section, the total number of TBMs engaged in tunnel construction in Corridor-1 (IIT-Naubasta) will reach four.Under the Chunniganj-Nayaganj underground section, construction work of around 1025 metre tunnel between Bada Chauraha and Nayaganj and around 750 metre tunnel between Chunniganj and Naveen Market has already been completed by Nana and Tatya TBMs.Nana TBM has also completed the construction work of around 510 metre-long tunnel between Naveen Market and Bada Chauraha. Currently, under the 23.78 km long Corridor-1 (IIT-Naubasta) of Kanpur Metro, commercial services are operational on the nine km long Priority Corridor (IIT-Motijheel). Apart from the Chunniganj-Nayaganj and Kanpur Central-Transport Nagar underground sections, construction work is also progressing rapidly in the 5 km (approx.) long Baradevi-Naubasta elevated section.We also published the following articles recentlyConstruction of tunnel for bullet train beginsConstruction work has commenced on a mountain tunnel for the Ahmedabad-Mumbai high-speed rail corridor in Gujarat, India. The tunnel, located near Zaroli Village, will be 350m long, 12.6m in diameter, and 10.25m high. It will be a single-tube horseshoe-shaped tunnel with two tracks, and it is part of a total of seven mountain tunnels planned for the corridor. The New Austrian Tunnelling Method (NATM) will be used for construction.Construction of mountain tunnel for MumbaiAhmedabad high-speed rail corridor beginsConstruction has started on a mountain tunnel as part of the Mumbai-Ahmedabad high-speed rail corridor in Gujarat. The tunnel is located near Zaroli Village in Valsad district and is part of the C4 package of the project. It will be 350 meters long, with a diameter of 12.6 meters and a height of 10.25 meters. The tunnel will have two tracks and will be constructed using the New Austrian Tunnelling Method. Overall, the corridor will include seven mountain tunnels.Secret James Bond tunnels may become a tourist attraction in UKA former executive at Macquarie Group, Angus Murray, has bought a network of tunnels beneath central London with plans to turn them into a tourist attraction. The tunnels, which were once used by spies and inspired the creation of James Bond, will be transformed into immersive experiences with large screens. Murray hopes to strike deals with Hollywood studios and preserve parts of the tunnels history. The project will cost around 220 million ($269 million) and is expected to be completed by 2027. However, Murray may face challenges with the planning system in the UK.

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