An Earth Pressure Balance (EPB) Tunnel Boring Machine (TBM) works by maintaining soil pressure at the tunnel face to prevent collapse and manage ground stability. It uses a rotating cutterhead to excavate soil, which is then mixed with conditioning agents to create a soil paste that balances pressure while being conveyed through screw conveyors. As the TBM advances, it simultaneously installs precast concrete segments to form the tunnel lining, ensuring structural stability. Tunnelling is vital

11K views · 192 reactions | How a Tunnel Boring Machine works. We...

6.3K views · 122 reactions | This video shows the MEIL's tunnelling team operating the Tunnel Boring Machine with expertise and efficiency, creating pathways with remarkable skill and precision. #tunnelboringmachine #MEIL #TunnelExcavation #constructionequipment #tunnelengineering #meghaengineering | Megha Engineering and Infrastructures Ltd | Facebook

19K views · 143 reactions | A Tunnel Boring Machine (TBM)...

The remaining components for the T2D project’s first tunnel boring machine have been delivered, with assembly of the cutterhead underway at Clovelly Park. Read more: https://bit.ly/4oDOnNH #SouthAustralia | Torrens to Darlington Project | SA Government