Soletanche Bachy teams carry out specialist excavation work and install tunnel linings using traditional and mechanised methods.
Tunnels require specific methods and equipment, plus in-depth knowledge of geotechnics. Through its specialised subsidiaries, Bessac and Soletanche Bachy Tunnels, Soletanche Bachy can take care of the entire chain of creation and remediation for underground infrastructure. In terms of design-build, our offer comprises:
To adapt to the needs of each project, we design and build our own TBMs.