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Abstract:	Aufbauend auf geltenden Richtlinien und Normen wird ein Verfahren für die statische Berechnung und Bemessung unbewehrter und faserbewehrter Tunnelinnenschalen vorgestellt. Das Bemessungskonzept erfordert eine iterative Suche nach dem statischen Gleichgewicht des Tragsystems unter Berücksichtigung nichtlinearen Materialverhaltens. Als Ergebnis liefert das Verfahren nebst den herkömmlichen Nachweisen (Tragfähigkeit und Gebrauchstauglichkeit) Aussagen, ob eine unbewehrte bzw. faserbewehrte Ausführung der Innenschale möglich ist. Im Falle der Notwendigkeit faserbewehrten Innenschalenbetons sind Aussagen bezüglich der erforderlichen Nachrisszugfestigkeit möglich. A Design Concept for Plain and Fibre-Reinforced Final Linings of Tunnels A concept for the design of final tunnel linings on the basis of current standards and guidelines is presented. The proposed method requires an iterative approach towards the equilibrium of the static system considering nonlinear material behaviour in compression and tension. As a result this method returns a design proof either for the unreinforced lining or the fibre-reinforced lining including the required post crack tensile strength of fibre-reinforced concrete.
Source:	Beton- und Stahlbetonbau 106 (2011), No. 6
Page/s:	371-376
Language of Publication:	German

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