Conceptual design of an UHPFRC tower structure in segmental construction for offshore wind turbines

Author(s): W. Sobek, M. Plank, B. Frettlöhr, J. Röhm, D. Corvez
Paper category: Symposium
Book title: RILEM-fib-AFGC International Symposium on Ultra-High Performance Fibre-Reinforced Concrete
Editor(s): F. Toutlemonde, J. Resplendino
Print ISBN: 978-2-35158-130-8
e-ISBN: 978-2-35158-131-5
Publisher: RILEM Publications S.A.R.L
Pages: 423 – 432
Total Pages: 10
Language: English

Abstract: 
Apart from a few limited exceptions the vast majority of offshore wind turbines consist of substructures and towers made of steel. Some innovative concepts use gravity based hybrid constructions. An economically and ecologically promising alternative could be the substitution of the steel tower by a centrically prestressed tower that combines the use of ultra-high performance fibre reinforced concrete (UHPFRC) with the segmental construction method. In this paper the concept of the UHPFRC tower structure is presented. Within the limits of the conceptual design an Eigen frequency analysis was conducted. The results of the analysis were evaluated with respect to the Campbell-Diagram and point to the feasibility of this innovative concept.

Online publication: 2014
Publication Type: full_text
Public price (Euros): 0.00