Fatigue behaviour of grouted connections at different ambient conditions and loading scenarios. (October 2017)

• Record Type: Journal Article
• Authors: Schaumann, Peter; Raba, Alexander; Bechtel, Anne
• Is Part Of: Energy procedia. Volume 137(2017)
• Page Start: 196
• Page End: 203
• Publication Date: 2017-10
• Subjects: offshore wind energy -- offshore platform -- grouted connection -- fatigue -- water impact; Power resources -- Congresses; Power resources -- Periodicals; Power resources; Conference proceedings; Periodicals; 333.7905
• DOI: 10.1016/j.egypro.2017.10.373
• Languages: English
• ISSNs: 1876-6102

Abstract

Abstract: Grouted connections are frequently used as structural detail of offshore wind turbines and platforms for the load transferring connection between piles and support structure. At latticed substructures this connection is commonly located at mudline. However, a potential influence of the surrounding water on the connection's fatigue behaviour was neglected in earlier tests and consequential design methods. Herein described experimental investigations at small and large-scale fatigue tests in submerged conditions showed a significant reduction of endurable load cycles. In addition, the water impact caused varied damage mechanism in the connection.