Project Stuttgart–Ulm: The Albaufstieg Tunnels – Construction Methods and contractual Characteristics

Overview Albaufstieg Deutsche Bahn AG
Overview Albaufstieg
Deutsche Bahn AG
Geology Albaufstieg Deutsche Bahn AG
Geology Albaufstieg
Deutsche Bahn AG
Construction management Boßler Tunnel Deutsche Bahn AG
Construction management Boßler Tunnel
Deutsche Bahn AG
Construction site installations Aichelberg/Boßler Tunnel Deutsche Bahn AG
Construction site installations Aichelberg/Boßler Tunnel
Deutsche Bahn AG
Construction site installations intermediate point of attack Umpfental/Boßler Tunnel Deutsche Bahn AG
Construction site installations intermediate point of attack Umpfental/Boßler Tunnel
Deutsche Bahn AG
Construction management Steinbühl Tunnel Deutsche Bahn AG
Construction management Steinbühl Tunnel
Deutsche Bahn AG
Construction site installations Hohenstadt/Steinbühl Tunnel Deutsche Bahn AG
Construction site installations Hohenstadt/Steinbühl Tunnel
Deutsche Bahn AG
Excerpt from Lean Table session Deutsche Bahn AG
Excerpt from Lean Table session
Deutsche Bahn AG
Construction pit Umpfental intermediate point of attack Deutsche Bahn AG
Construction pit Umpfental intermediate point of attack
Deutsche Bahn AG
Construction pit Pfaffenäcker Deutsche Bahn AG
Construction pit Pfaffenäcker
Deutsche Bahn AG
Tunnel sponsor Susanne Ramsauer on July 19, 2013 Deutsche Bahn AG
Tunnel sponsor Susanne Ramsauer on July 19, 2013
Deutsche Bahn AG
Tunnel start-up ceremony on July 19, 2013 Deutsche Bahn AG
Tunnel start-up ceremony on July 19, 2013
Deutsche Bahn AG

Single-track bores over a length of 28.7 km have to be driven for the 3 tunnels for the Albaufstieg. Together with a complex bridge construction, they form the 15.77 km long Albaufstieg of the sophisticated Stuttgart–Ulm major project. This report examines the construction methods and contractual aspects.

The Albaufstieg

The Albaufstieg links the slightly rising Albvorland area with the Alb high plateau. The entire “Alb­aufstieg” construction section by and large overcomes a height of 326 m in tunnels over a length of 15.77 km. From north west to south east the route first runs in the open as a short ramp with 31 ‰ and over a railway crossing to the portal of the Boßler Tunnel (Fig. 1). The route alignment of the 2 tracks expands to reach a centre distance of 30 m to create 2 single-bore tunnels.

The 8,806 m long Boßler Tunnel rises continuously over almost its entire length with 25 ‰. The entire...

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tunnel 08/2013

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tunnel 08/2013

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Dipl.-Ing. Matthias Breidenstein, Technical Project Manager PFA 2.2 Albaufstieg, DB Projekt Stuttgart-Ulm GmbH, Stuttgart/D

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