Successful experiences

You can find summaries of some successful experiences which we think should be high lined. This helps to explain the kind of work which we have done, and the most important projects where we have participated.

 

Extend the life of tools

Wear protection treatment which increase the live of cutter head tools, and allows reparation.

Disassembly false tunnels

Remove segments of start shafts, or intermediate shafts, in short time, minimizing the affection to the rest of tunnel.

Main gear breakdown

Corrective measures to continue the advance of TBM till safe place for reparation of main drive.

Hyperbaric works   

Maintenance tasks of cutter head in hyperbaric chamber. Steps, safe place, procedures, and performances.

Heavy lifting operations

Move main parts, or the whole TBM, smoothly, accurately, and reducing the ancillary concrete structures.