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Author(s):	Kuhlmann, W.; Butz, C.
Title:
Abstract:	Aufgrund ihrer schlanken Bauweise gelten viele Fußgängerbrücken bei personeninduzierten Belastungen als schwingungsanfällig. Die eventuelle Ausstattung einer Brücke mit zusätzlichen Dämpfungsmaßnahmen sollte bereits in der Planungsphase berücksichtigt werden, damit bei Gewissheit, dass Maßnahmen notwendig sind, die Fertigstellung und Eröffnung der Brücke nicht verzögert wird. Im vorliegenden Beitrag wird am Beispiel des August-Wilhelm-Stegs in Oranienburg das Vorgehen zwischen Erkennen einer möglichen Schwingungsanfälligkeit, Prüfung der Erforderlichkeit schwingungsdämpfender Maßnahmen, Auslegung und Einbau sowie Überprüfung der Wirksamkeit erläutert. Dabei werden insbesondere die praktischen Aspekte bei der Auslegung der Massendämpfer erläutert. The increasing comfort of footbridges with mass dampers is exemplary shown with the August-Wilhelm-Steg in Oranienburg, Germany. Many footbridges are susceptible to pedestrian induced vibrations due to their slender design. Hence, an equipment with additional damping devices on demand should be considered already in the preliminary design phase to avoid unnecessary delays of the erection and opening, if the damping devices are required. In this article the procedure of identifying a potential vibration susceptibility, checking the necessity of damping devices, design and installation as well as checking the working efficiency of them are explained using the example of the August-Wilhelm-Steg in Oranienburg. Particular emphasis is laid on the practical aspects when designing tuned mass dampers.
Source:	Stahlbau 78 (2009), No. 7
Page/s:	484-491
Language of Publication:	German

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