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Strength demands of tall wind turbines subject to earthquakes and wind load

Martinez-Vazquez, P, Gkantou, M and Baniotopoulos, C (2017) Strength demands of tall wind turbines subject to earthquakes and wind load. In: Procedia Engineering , 199. pp. 3212-3217. (10th International Conference on Structural Dynamics (EURODYN), 10 September 2017 - 13 September 2017, Sapienza Univ Rome, Fac Civil & Ind Engn, Rome, ITALY).

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Abstract

Wind and earthquake load have historically been conceived to act independently. However, if we reflect on the fact that major seismic events are usually followed by a number of aftershocks and that wind is constantly flowing at high intensities around wind farms, which induces additional demands of resistance to infrastructure, then the joint probability of middle-to strong earthquakes and low-to mild wind events becomes more relevant. In this paper a generalised approach is used to estimate the ratio between earthquake and wind forces and their effect on infrastructure. Following, a probabilistic analysis is carried out to show that under certain conditions the combination of these natural events can induce additional demands of strength and ductility to wind turbines which could lead to unforeseen damage.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: MD Multidisciplinary
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TD Environmental technology. Sanitary engineering
T Technology > TH Building construction
Divisions: Civil Engineering
Publisher: Elsevier
Related URLs:
Date Deposited: 07 Sep 2018 10:44
Last Modified: 07 Sep 2018 10:44
DOI or Identification number: 10.1016/j.proeng.2017.09.318
Editors: Vestroni, F, Romeo, F and Gattulli, V
URI: http://researchonline.ljmu.ac.uk/id/eprint/9186

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