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France and Italy have formally agreed to go ahead with the Lyon-Turin project.
Having been stranded underground for more than a year, the damaged 57.5ft (17.52m) diameter Hitachi Zosen EPB machine began mining through the 20ft (6m) unreinforced concrete wall of the access pit on Tuesday night.
In Australia, Daniel Andrews has staked his credibility as Victorian Premier on beginning construction of the Melbourne metro rail line before the next election, having scrapped the former government’s plans […]
Under 2km of tunnels remain of the 42km needed for the £14.8bn infrastructure project, due to be finished in 2017 Elizabeth, one of the last tag team of Crossrail tunnelling […]
Surface Structures vs. Underground Structures For underground structures such as tunnels, the seismic design approach differs from that of the surface structures (e.g., bridges and buildings). Surface Structures In the […]