Robbins TBM or Tunnel Boring Machine being used in Zhengzhou, China for Line 1 of their Metro.
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Robbins EPBs Undercut Downtown Zhengzhou

The City of Zhengzhou is set to become a major rail crossroads for China, located at the intersections of China’s major North-South and East-West lines. Currently tunneling with tunnel boring machine (TBM) is taking place […]

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London Crossrail Project – Will Be Largest Civil Project in Europe

According to ENR, the U.K. government has approved the 7-year, $32-billion London Crossrail Project which will reportedly be Europe’s biggest civil engineering project. It will include 41.5-km of tunnels 6-m in diameter laid out in pairs. The tunnels will pass underneath London and connect surface networks on either side of the city. Link after the break. (Photo by tkosaka)