Tunnel entrance
Tunnel eyes can often experience large water inflows when the TBM breaks through the retaining wall or when the ground is broken at the start of the excavation. This can result in significant loss of time and resources. Discover GCP solutions for tunnel entrances: tunnel eye water control injection solutions.
Tunnel Eye water control injection solutions
DE NEEF® Leaks Stop Here: Fast, Proven, Durable.
Underground construction is a deadline driven business.
Problems that upset your schedule need to be solved FAST. Short term deadlines shouldn’t equal short term thinking. Every minute construction is stopped adds to the cost. When money is measured in minutes, you want the best, most effective, lasting and FAST leak sealing technology. Our DE NEEF® injection materials are developed to bring the shortest possible injection cycles and give lasting solutions that reduces the risk of recurrence to the absolute minimum.
DE NEEF® injection materials give the best results:
- Hydrophobic formulation avoids dilution and product loss during injection.
- Balanced viscosity and reaction profiles combine to bring the fastest leak sealing
- > 90% closed cell and no leaching give a lasting stopping effect with a proven service life of up to 120 years.
Our injection solutions:
- DE NEEF® 1C PU
- DE NEEF® HA Cut AF
- DE NEEF® HA Cut CFL AF
- TYTRO® SI 550/660
- TYTRO® DN 120/130/140
- DE NEEF® Gelacryl resins
Our services:
- Special techniques such as DE NEEF® Combi-Grouting and DE NEEF® Combi-Block supported by our technical experts and extensive test data to deliver a proven and durable result.