China's domestically developed, world's largest-diameter vertical shaft boring machine 'Qiming' was officially put into operation in Taicang City of east China's Jiangsu Province on Tuesday, for the Chongming-Taicang Yangtze River Tunnel project. #Trending #ChinaInnovates | CCTV

A 2,800-tonne tunnel boring machine (#TBM) went into operation recently to construct a follow-up project for China's South-to-North Water Diversion Project. With an excavation diameter of 12.23 meters, it marks the largest-diameter single-shield hard rock TBM for water diversion tunnel projects in China. | People's Daily, China

How does Tunnel Boring Machine (TBM) work? A Tunnel Boring Machine (TBM) is a specialised piece of equipment used to excavate tunnels through various types of soil and rock. It works by using a rotating cutter head with sharp disc cutters or tools that grind away the material in front of it, creating a tunnel of a precise diameter. As the cutter head rotates, the TBM simultaneously removes excavated material through a conveyor system and supports the newly created tunnel walls with precast concr

82K views · 735 reactions | Boring machines are used to create absolutely enourmous holes in the ground to build underground railways  | UNILAD Tech | Facebook