Title: Unterwasser-Rammschall : eine Herausforderung bei der Errichtung von Offshore-Windparks und für die numerische Simulation [Underwater noise due to pile driving : a challenge both for the installation of offshore wind energy farms and for numerical simulation]
Language: German
Authors: Estorff, Otto von 
Heitmann, Kristof 
Lippert, Stephan 
Lippert, Tristan 
Reimann, Katja 
Ruhnau, Marcel 
Schwarz, Matthias 
Issue Date: 2013
Publisher: Springer-VDI-Verl.
Source: Larmbekampfung 2 (8): 61-71 (2013)
Journal or Series Name: Lärmbekämpfung 
Abstract (english): Offshore wind energy is a key technology towards the extension of renewable energy. State of the art foundations for wind turbines are based on pile driving, where steel piles are driven deeply into the seafloor by a hydraulic hammer. As a result of this pile driving, significant sound emissions into the surrounding water column occur that can have harmful effects on marine life, like e.g. the harbor porpoise. At present, various sound mitigation measures are being developed and tested under offshore conditions. Within the scope of the research project "BORA - Berechnung von Offshore-Rammschall", a profound model to predict near and far field sound levels with respect to varying foundation structures as well as different sound mitigation measures is being developed. Extensive offshore tests serve as model validation. This article provides insight into the pile driving noise problematic and the current state of research of the BORA project.
URI: http://hdl.handle.net/11420/6913
ISSN: 1863-4672
Institute: Modellierung und Berechnung M-16 
Geotechnik und Baubetrieb B-5 
Type: (wissenschaftlicher) Artikel
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