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Author(s):	Bechmann, Roland; Schmid, Angelika; Noack, Torsten; Sobek, Werner
Title:
Abstract:	Im Rahmen des Bahnprojekts Stuttgart-Ulm wird der Stuttgarter Hauptbahnhof komplett umgebaut und erneuert. Der alte Kopfbahnhof wird hierbei durch einen unterirdischen Durchgangsbahnhof ersetzt. Wesentliches Gestaltungselement der neuen Bahnsteighalle sind die sogenannten Kelchstützen. Diese tragen nicht nur das Schalendach, sondern dienen auch der natürlichen Belichtung und Belüftung des Innenraums. Der vorliegende Beitrag beschreibt Formfindung und Berechnung dieser einzigartigen Geometrien und erläutert, wie durch die Tragwerksplanung eine technisch und ökonomisch nachhaltige Umsetzung ermöglicht wurde. Unchartered Waters for Engineers and Contractors Alike: Stuttgart's New Main Station and its Complex Geometry As part of the Stuttgart-Ulm railway project, Stuttgart Central Station is currently being completely refurbished and rebuilt. The old terminus station will be replaced by an underground through station. The so-called “Kelchstützen” (chalice-shaped columns) are a significant design element of the new underground station. These columns not only support the shell roof, but also provide natural lighting and ventilation for the interior. The present article describes the form finding and calculation of these unique geometries and explains how a technically and economically sustainable implementation was made possible by the structural engineers.
Source:	Beton- und Stahlbetonbau 114 (2019), No. 5
Page/s:	346-355
Language of Publication:	German

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