| Product | Concrix ES |
| Area of application | Special applications |
| Country | Switzerland |
| Location | Bötzberg Tunnel |
| Year | 2017 |
| Additional steel reinforcement | Yes |
| Additional Information | To reach the starting position the TBM needs a foundation base to move forward with its walking legs. The construction company decided to switch to the synthetic high performance fiber Concrix ES. |
www.contecfiber.com/en/references/reference-database/report/346-foundation-base-for-tbm/