Want an idea of just how big an undertaking the Metro Manila Subway Project (MMSP) is for the Department of Transportation (DOTr)? This photo might help. It’s an image of the cutter head that will be ...
China's largest shield tunneling machine cutter head, with a record-breaking diameter of 16.64 meters, descended at the construction site of the Haitai Yangtze River Tunnel in East China's Jiangsu ...