Machinery for tunnel construction

In our website we want to give you a global idea of the different tunnel construction techniques and show you all types of Herrenknecht machinery existing in the market.

Due to the specific requirements of each project, like the geological conditions, diameter, length of the tunnel, etc, it is needed a different machine. Although, the technology dominating the market can be classify generally in to types:

1. Pipe jacking
Hydraulic thrust jacks installed in the launch shaft drive the tunnelling machine and jacking pipe in the direction of the reception shaft. The

• Open shields
• Microtunnelling machines

2. Segmental lining

• EPB Shields
• Mixshield
• Hard rock Shield
• Doble shield
• Gripper Rock TBM

Also it is include some graphic animations about some underground works like:

• Outfall construction
• Cutting disks process
• Hard rock TBM work
• Shield erector and segment placement