About-turn for "SUSE" in the Filder Tunnel
Sep 20, 2018
In late July the moment has come: tunnel boring machine "SUSE" (Ø 10,820 mm) has completely excavated the western tube of the Filder Tunnel. Now, in a specially built cavern, the approximately 120 meter long Multi-mode TBM from Herrenknecht is disassembled into individual parts and turned around underground. From the fall of 2018 it is due to commence excavation work in the remaining 3.4 kilometer section of the eastern tube.
With the end of the advance the crew from joint venture ARGE ATCOST 21 (Porr Bau GmbH Tunnelbau, G. Hinteregger & Söhne Baugesellschaft m.b.H., Östu-Stettin Hoch- und Tiefbau GmbH, Swietelsky Baugesellschaft m.b.H.) has now completed the western tube of the approximately 9.5 kilometer long twin-tube Filder Tunnel.
For the final project breakthrough, "SUSE" still has to excavate a 3.4 kilometer long section in the eastern tube. The tunnelling work is scheduled to start in the fall of 2018. Prior to that, the approximately 2,000 tonne and 120 meter long TBM will be disassembled into several parts and turned around in a specially built cavern inside the rock mass. "Such an about-turn underground with a TBM of this size is absolutely exceptional," says Dr.-Ing. E. H. Martin Herrenknecht. "This shows what extraordinary technical feats are being achieved during the construction work on the Filder Tunnel. Hats off to the site crew!"
However, the particularly flexible and convertible Multi-mode TBM machine type from Herrenknecht has convinced the client Deutsche Bahn of the advantages of mechanized tunnelling over a large part of the tunnel route.
The Filder Tunnel is the longest on the new line between Stuttgart and Ulm, which will link the new central railway station with the Filder Plain. As a result of the railway project, travel times between Stuttgart and Ulm will be almost halved. Around ten million passengers per year will benefit from the scheme.
Text below the box.Project data About-turn for "SUSE" in the Filder Tunnel
MACHINE/PROJECT DATA S-738/S-746
Machine type: Multi-mode TBM
- Shield diameter: 10,830 mm
- Drive power: 4,200 kW
- Tunnel length: 9,468 m, Advance length 15,330 m
- Geology: heterogeneous soils (Lower Jurassic & Rhaetic, lumpy marl, sandstone with marls and clay, unleached Gypsum keuper)
- Customer: ARGE ATCOST 21 (Porr Bau GmbH Tunnelbau, G. Hinteregger & Söhne Baugesellschaft m.b.H., Östu-Stettin Hoch-und Tiefbau GmbH, Swietelsky Baugesellschaft m.b.H.)
- Client: Deutsche Bahn AG
Herrenknecht AG is the only company worldwide to deliver tunnel boring machines for all geologies and in all diameters – ranging from 0.10 to 19 meters. The product range comprises tailor-made machines for traffic, supply and disposal tunnels, technologies for routing of pipe lines, as well as additional equipment and service packages. Herrenknecht also manufactures excavation equipment for vertical and inclined shafts as well as deep drilling rigs.
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