68K views · 1.2K reactions | How TBM Works | Tunnel Boring Machine Explained in 1 Minute . . . #TBM #TunnelBoringMachine #CivilEngineering #MetroConstruction #UndergroundTunnels #ConstructionTechnology #reinforce | 퐑퐄퐈퐍퐅퐎퐑퐂퐄 | Facebook

10K views · 76 reactions | An Earth Pressure Balance (EPB) Tunnel...

A record-breaking engineering feat - 23 huge tunnel boring machines operated simultaneously recently for the expansion of Moscow Metro | Guinness World Records

184K views · 1.8K reactions | Our first tunnel boring machine (TBM) is taking shape with final stages of assembly. The crown jewel and heaviest piece of the TBM – the 100-tonne red cutterhead – was lowered into the excavated station box and installed this week. | Metro Tunnel | Facebook

Tunnel Boring Machine (TBM) construction is a mechanized tunnelling method used for excavating underground tunnels with minimal surface disruption. A TBM is a massive cylindrical machine equipped with a rotating cutterhead that excavates soil or rock while advancing forward. The excavated material is transported out of the tunnel via conveyor belts muck transportation or slurry pipelines, depending on the TBM type. Simultaneously, pre-cast concrete segments are installed along the tunnel walls t