Tornadic mechanical global actions on transmission towers

Pecin, T. G.; Almeida, Andreia A.; Roehl, J. L.

doi:10.1590/s1678-58782011000200003

Cited by 2 publications

(1 citation statement)

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“…They presented a novel methodology developed for the critical infrastructure protection modelling and analysis (CIPMA) capability for assessing local wind speeds and the likelihood of tower failure for a range of transmission tower and conductor types. Similar work was conducted by Pecin et al [ 44 ] to evaluate the mechanical global actions due to an approximate mathematical model of a tornado. Usage of tornadic response spectrum practices was proposed and particular aspects of tornadic loads on tower structures were analyzed.…”

Section: Wind Responses Of Transmission Tower-line Systemmentioning

confidence: 87%

Dynamic Responses and Vibration Control of the Transmission Tower-Line System: A State-of-the-Art Review

Chen

Guo

Peng-yun

et al. 2014

The Scientific World Journal

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This paper presented an overview on the dynamic analysis and control of the transmission tower-line system in the past forty years. The challenges and future developing trends in the dynamic analysis and mitigation of the transmission tower-line system under dynamic excitations are also put forward. It also reviews the analytical models and approaches of the transmission tower, transmission lines, and transmission tower-line systems, respectively, which contain the theoretical model, finite element (FE) model and the equivalent model; shows the advances in wind responses of the transmission tower-line system, which contains the dynamic effects under common wind loading, tornado, downburst, and typhoon; and discusses the dynamic responses under earthquake and ice loads, respectively. The vibration control of the transmission tower-line system is also reviewed, which includes the magnetorheological dampers, friction dampers, tuned mass dampers, and pounding tuned mass dampers.

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Section: Wind Responses Of Transmission Tower-line Systemmentioning

confidence: 87%