Aeroelastic instability and wind-excited response of complex lighting poles and antenna masts

Nguyen, CH ORCID:, Freda, A, Solari, G and Tubino, F 2015, 'Aeroelastic instability and wind-excited response of complex lighting poles and antenna masts' , Engineering Structures, 85 , pp. 264-276.

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This paper presents analytical and experimental investigations aimed at evaluating the aeroelastic instability and wind-excited response of slender vertical cantilever structures, in particular complex lighting poles and antenna masts with distributed eccentricities. The application of the methods herein presented to a real structure emphasizes the significance of aerodynamic eccentricities, upper vibration modes and coupling between the translational components of the motion. In such a framework, particular sets of the parameters and specific structural configurations may cause very low critical galloping velocities. Additionally, the hypothesis of polar symmetry commonly used in technical calculations may lead to relevant underestimations of the wind-excited response. From this point of view, this paper provides possible interpretations for a number of damage and collapses of this structural type without clear and suitable explanations.

Item Type: Article
Schools: Schools > School of Computing, Science and Engineering
Journal or Publication Title: Engineering Structures
Publisher: Elsevier
ISSN: 0141-0296
Related URLs:
Depositing User: Cung Nguyen
Date Deposited: 25 Mar 2022 14:03
Last Modified: 25 Mar 2022 14:03

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