Influence of Pendulum on Vibration Response of Transmission Tower under Wind Load

You Xin Lin; Xing Fu; Hong Nan Li

doi:10.4028/www.scientific.net/AMM.353-356.2319

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 353-356Influence of Pendulum on Vibration Response of...

Influence of Pendulum on Vibration Response of Transmission Tower under Wind Load

Abstract:

In order to study the dynamic response of transmission tower equipped with a pendulum damper induced by wind load, a simulation, considering wind load acting on pendulum, is implemented. Deducing the vibration equation of transmission tower-pendulum system induced by wind and utilizing harmony superposition method and Davenport power spectra to simulate fluctuating wind load, time history analysis based on Newmark β step-by-step integration method is conducted to study the influence on displacements of pendulum and tower tip in the two conditions of considering and unconsidering wind load acting on pendulum damper. It can be found that pendulum displacement would be underestimated, and tip displacement would be overestimated if we dont consider wind load acting on pendulum.

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Periodical:

Applied Mechanics and Materials (Volumes 353-356)

Pages:

2319-2322

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.353-356.2319

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Online since:

August 2013

Authors:

You Xin Lin, Xing Fu, Hong Nan Li

Keywords:

Pendulum Damper, transmission tower, Wind Load

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