On 9 June 2022, the opening ceremony of the first TBM to be used in order to excavate the access tunnel of the Gotthard motorway tunnel’s second tube was held. While the Client is the Federal Roads Office FEDRO, the designers and the construction management are the DL Bedrina consortium, led by the Pini Group. […]
With a total value of around US$302m, Strabag subsidiary Züblin has been awarded two tunneling contracts for extensions to the Candelaria Norte and El Teniente mines in Chile which’s duration are 16 and 30 years respectively. While Züblin has spent the last 16 years expanding the Candelaria Norte copper ore mine in the Atacama region, […]
In order to build a new high-voltage cable tunnel in Bangkok, Thailand the Rama III project has been completed by contractor Italian-Thai Development PCL (ITD) using a Terratec tunnel boring machine (TBM). Implementing by Bangkok’s Metropolitan Electricity Authority (MEA), the Rama III tunnel project is one of a series of tunneling projects, which are designed […]
Following the completion of the primary lining on the super sewer, the project has hit another significant landmark with the completion of half of the secondary lining. While the primary lining, was formed of pre-cast segments that form a ring, this concrete inner shell is poured in situ by a machine called a shutter. In […]
Commencing its journey in December 2020 from the Flandres shaft in Bonneuil-en-France, the first epic of the Florence tunnel boring machine ends at the Rolland work at Le Bourget by completing its 3.4 km tunnel excavation. It took more than a year and a half for the Florence tunnel boring machine to see the light […]
According to the Austrian Federal Railways (ÖBB) announcement, the planned inauguration of the Semmering Base Tunnel deferred to 2030 due to complex geology. Considering that the work on the railway tunnel with 27.3km length has been delayed by several months because of a geological fault zone in the Grasberg area, the estimated total cost of […]
