"The contract for the procurement of two Tunnel Boring Machines (TBM) for the construction of the first phase of the Belgrade Metro, i.e. the excavation of the tunnel section of Line 1, was signed today by the project manager of Metro Line 1 on...

" the sixth such machine produced by China Railway Construction Heavy Industry Co., Ltd (CRCHI) for export to Italy. " Its diameter is 9.28. It will bore high speed railway tunnel from Palermo, and Catania in Sicily...

   Press release from National Grid. National Grid is reaching a major milestone on the Eryri Visual Impact Provision (VIP) scheme with the arrival of its Tunnel Boring Machine (TBM) to the project site. A total of 27 deliveries...

This Herrenknecht Tunnel Boring Machine has an excavation diameter of 10,4 meters and it is a gripper TBM. Reported in  Tunnelling Journal. The fifth of the seven TBMs to be used for excavation of the Lyon-Turin Rail Tunnel has been...