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Author(s):	Scheufler, Wolfgang; Burghard, Stefan; Fischer, Oliver; Braun, Christian
Title:
Abstract:	In vielen weit gespannten Schrägseilbrücken werden Seildämpfer zur Verringerung von Seilschwingungen eingebaut. Bedämpft werden dabei in erster Linie unerwünschte Querschwingungen (Schwingungen außerhalb der Kabelebene) der Tragseile. Neben der vorgesehenen Reduzierung der Bewegungen in der Kabelebene der Wirkungsrichtung der Dämpfer zeigen Untersuchungen, dass auch die Bewegungen quer zu dieser Richtung von den Dämpfern beeinflusst werden. Mithilfe der hybriden Versuchstechnik sollen diese Phänomene im Rahmen eines Forschungsvorhabens am Lehrstuhl für Massivbau der Technischen Universität München genauer untersucht werden. Evaluation of the effects of adaptive cable dampers by use of hybrid testing methods Various wide spanned cable-stayed bridges are protected against cable vibrations with vibration absorbers. The focus of the damping measures is to reduce lateral oscillations of the cables. Although reducing vibrations in the effective direction of the installed vibration absorber, it is approved by research that vibrations are influenced transverse to the vibration absorber's effective direction as well. Using hybrid testing methods these phenomenons shall be discovered in detail within an actual research project at the Department of Concrete Structures of the Technische Universität München.
Source:	Beton- und Stahlbetonbau 108 (2013), No. 2
Page/s:	116-123
Language of Publication:	German

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