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north-south light rail
Cologne Los Süd
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Brenner
base tunnel
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Greenline
Doha
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Crossrail,
London
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Koralm tunnel,
Doha
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Silberberg tunnel
Thuringia
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Groundbreaking know-how
Injections in tunnel construction
DMI has worked in the field of tunnelling since the company was founded whether by mechanical or conventional means. DMI employees have already carried out injections on the new Deutsche Bahn railway line between Hanover and Würzburg, the Freudenstein Tunnel, the new Deutsche Bahn line between Cologne and Frankfurt, and Lot 3 of the intercity tunnel in Berlin.
DMI carries out:
- Advance injections
- Cavity and karst fillings
- Elevation injections
- Rock grouting to reduce water
Protective injections for mechanical excavation work
- Top joint grouting
- Pipe shields
- Base grouting
Annular gap grouting for tunnelling shield exits