Tunnel Boring Machine

Road tunnels or Vehicular Tunnels | Types & Shapes | Components | Advantages & Considerations

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Road Tunnel at Guanajuato, Mexico - Horseshoe shaped

Road Tunnels or Vehicular Tunnels Road tunnels or vehicular tunnels are defined as enclosed roadways through ground, sea or mountains with vehicle access restricted through portals or tunnel ends, independent of structure type, method of construction or the crossing medium. The carriageways covered by bridges are not considered as tunnels. Some of the most common … Read more

All About Tunnel Boring Machine (TBM) & Parameters

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Construction of the A5 highway east bypass of Biel; 12.6 m diameter drill head of TBM © Chriusha (Хрюша) CC-BY-SA-3.0

Tunnel Boring Machine (TBM) A TBM is a massive set of complex equipment assembled together to excavate a tunnel, often called as “Mole”. Major components of this Tunnel Boring Machine includes Cutter head, with cutting discs/tools and Muck buckets to carry and dispose excavated muck Power supply Systems Cutter head rotation & thrust Bracing system … Read more