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Author(s):	Fink, A.; Bartl, T.; Pitscheider, W.; Uwe, S.
Title:
Abstract:	The world of engineering is a world of continuous change, and developers, planners and contractors alike are confronted by the innovative ideas that fuel progress in the field. This applies in particular to major civil engineering works. In the case of the Lower Inn Valley railway upgrade project, for example, a new self-supporting reinforcement system has been developed for a compact fire-resistant shell for the inner lining of the tunnel. The development, testing and optimization of the reinforcement system are the subject of this report. The new reinforcement system was employed on such a scale for the first time and proved successful in practice. Der Stand der Technik unterliegt einem permanenten Wandel. So sind Bauherrn, Planer und ausführende Unternehmen immer wieder gefordert, durch das Einsetzen von innovativen Ideen das Rad der Weiterentwicklung voranzutreiben. Dies gilt insbesondere für Großbauvorhaben. Beim Projekt Unterinntal wurde ein neuartiges System der selbsttragenden Bewehrung für eine schlanke Brandschutzschale als Tunnelinnenschale entwickelt. Der Beitrag behandelt Entwicklung, Erprobung und Optimierung des Bewehrungssystems. Das zur Anwendung gelangte Bewehrungssystem kommt in dieser Dimension erstmalig zum Einsatz und hat sich in der Praxis bewährt.
Source:	Geomechanics and Tunnelling 3 (2010), No. 3
Page/s:	318-326
Language of Publication:	English/German

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