India | Indien

Breakthrough in the Himalayas: Second TBM Reaches Its Destination Near Rishikesh

In late June 2025, the last of two Herrenknecht Single Shield TBMs successfully completed its drive for the new railway line between Rishikesh and Karnaprayag in the Indian Himalayas. The first machine had already reached its destination in mid-April. Now both parallel tubes of the more than 20-kilometer-long tunnel system are complete.

Railway Line Rishikesh–Karnaprayag

The young Himalayas were long considered virtually unconquerable for tunnelling. Only a few projects in the region‘s complex geology have been crowned with success to date. This makes the breakthrough of the second machine in...

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India

Breakthrough in the Himalayas: Second TBM Reaches Its Destination Near Rishikesh

Railway Line Rishikesh–Karnaprayag The young Himalayas were long considered virtually unconquerable for tunnelling. Only a few projects in the region's complex geology have been crowned with...

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Issue 08/2011

Optimising Interfaces for Shield Drives in Sochi

Preparations are in full swing for the 2014 Winter Olympics in Sochi, Russia. Apart from sports facilities and accommodation, an ultra-modern and efficient traffic infrastructure is also being built....

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Issue 05/2018 Czech Republic

Railway Tunnel between Rokycany and Pilsen

A convertible Herrenknecht multi-mode tunnel boring machine (Ø 9,890?mm) was used to modernize the Czech railway line between Rokycany and Pilsen. The machine excavated two tunnels, each about 4?km...

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Issue 03/2016 Norway

TBM Quartet for the Follo Line will excavate the longest Railway Tunnel in Scandinavia

In early April 2016 the acceptance of a recently completed Double Shield Tunnel Boring Machine (TBM) with a 9.9 m diameter for Norway‘s infrastructure project “Follo Line” took place at the...

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Issue 08/2015 Germany

First Tunnel Boring Machine approved for Rastatt Tunnel

The first of two tunnel boring machines (TBMs) for the Rastatt Tunnel by manufacturer Herrenknecht was approved by the customer, the Tunnel Rastatt JV, on December 8, 2015 at the factory in Schwanau....

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