Experimentation of a new tunnel excavation method using Komatsu’s newly developed mining TBM, is being implemented by Japanese machinery manufacturer Komatsu Ltd and Chile’s state-owned mining company as well as the world’s largest copper producer, Codelco. Commencing in 2024 at Codelco’s Chuquicamata mine in Chile, this trial intends to speed up the potential introduction of […]
Following completion of the micro tunnel boring machine Domenica’s second drive on Watercare’s Central Interceptor, which is New Zealand’s largest wastewater project, and ahead of schedule landmark has been achieved in this project. Delivery of the works on the Central Interceptor scheme, is currently done by the Ghella Abergeldie Joint Venture (GAJV), while its micro […]
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 […]