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New track project, Cologne, Germany

DB German Rail, New track project Cologne - Rhein/Main Section MITTE, Subsection B, Germany

The new track project of the Deutsche Bahn AG from Cologne to Frankfurt/Main is designed for the next generation bullet trains ICE 3 allowing for a maximum speed of 300km/h.

For subsection B a tunnel had to be driven using traditional tunneling methods.
Excavation was done using a tunnel excavator immediately shotcreting afterwards.

DSI-Austria supplied SN anchors, DYWI ^® Drill Hollow Bars with accessories and all special grouting equipment.

Owner Deutsche Bahn AG +++ General Contractor JV Tunnel Limburg/Eichheide, Hochtief AG / Bilfinger + Berger Bau AG +++ Consulting Engineer Ingenieurgesellschaft Lässer-Feizlmayr, Innsbruck DSI Services Consulting and supply of geotechnical products; 60,000m of DYWIDAG Anchors type SN 4 to 6m long; 40,000m of DYWI ^® Drill Hollow Bar Anchors and accessories (drill bits, 20,000m of hollow bars, 4m long, grouting equipment).