Following that the Namma Metro’s TBM Tunga S-839 B exacavated 936.6 m between Kadugondanahalli Station to Nagawara Station’s South Cut & Cover Shaft, ...
While enlarging process of two 160-year-old rail tunnels in Germany is progressing, two Herrenknecht Tunnel Enlargement Systems (TES) since January have been working ...
October 2024 is the determined date for tender of the construction of Norway’s Stad ship tunnel. As a fixed-price turnkey contract, procured through ...