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List of products by author: O. Fischer
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Cross-passage opening in TBM tunnels – concepts, load-bearing behaviour and experimental investigations
Abstract: In TBM tunnelling, the connection of the mainline tunnel with cross-passages (cp) is typically realised upon finalisation of the tunnel drive. In this temporary construction stage, the precast segmental lining is being opened by removing segments in the opening area. In order to continuously support and stabilise the remaining segment rings, segments have to be equipped with load-transfer...
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Design and Optimization of the 8.800 long Bossler Tunnel for the Highspeed Railway Line Stuttgart
Abstract: In the course of the extension of the new railway line Wendlingen-Ulm, the Boßler Tunnel is to be excavated in planning approval section 2.2 "Albaufstieg", as a two-tube, single-jacket tunnel with a length of 8.806 m between Aichelberg and Mühlhausen. The contract for the construction of the new high-speed road was awarded to the working group "Tunnel Albaufstieg" by the Deutsche Bahn...
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Precast tunnel segment: experimental tests of longitudinal joints
Abstract: A recently completed research project at the Chair of Concrete Structures of the Technical University of Munich focused on the design of longitudinal joints of reinforced segmental linings, aiming to improve current design regulations. The results of the experimental program showed that the formulation of partial loading in Eurocode 2 for the ultimate limit state (ULS) is conservative for...
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