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Author(s):	Kirchhofer, Johannes; Fink, Josef
Title:
Abstract:	Der europaweite Aufbau eines interoperablen Eisenbahnhochgeschwindigkeitsnetzes stellt erhöhte Ansprüche an die bestehende Infrastruktur des Bahnbetriebes. Durch die zunehmende Reisegeschwindigkeit ergeben sich auch immer größere dynamische Anregungen der Brückentragwerke. Um diesem Umstand Folge zu leisten, wurden in den letzen Jahren am Institut für Tragkonstruktionen/Stahlbau der Technischen Universität Wien zahlreiche experimentelle Untersuchungen zum Thema des dynamischen Verhaltens von Eisenbahnbrücken mit Schotteroberbau unternommen, um aus den experimentellen Daten neue Erkenntnisse über das Schotterverhalten bei dynamischer Beanspruchung abzuleiten. Analysis of the dynamic behaviour of the railway ballast bed - Influence of the oscillation amplitude and of other marginal conditions on the stiffness and the damping characterists. The pan-European establishment of an interoperable high-speed railway network places high demands on the existing railway infrastructure. Greater travelling speed results in increased dynamic excitations of the bridge structures. To investigate the dynamic interaction between the ballast superstructure and the structure of the bridge, experimental investigations were realised at the Institut für Tragkonstruktionen/Stahlbau der Technischen Universität Wien (Institute of Structural Engineering at the TU Vienna) during the last years.
Source:	Stahlbau 82 (2013), No. 5
Page/s:	370-377
Language of Publication:	German

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