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Study on Seismic Control of Power Transmission Tower-Line Coupled System under Multicomponent Excitations

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  • Li Tian
  • Qiqi Yu
  • Ruisheng Ma

Abstract

The seismic control of power transmission tower-line coupled system subjected to multicomponent excitations is studied in this paper. The schematic of tuned mass damper is introduced, and equations of motion of a system with tuned mass damper under multi-component excitations are proposed. Three-dimensional finite tower-line system models are created based on practical engineering in studying the response of this system without and with control. The time domain analysis takes into account geometric nonlinearity due to finite deformation. The optimal design of the transmission tower-line system with tuned mass damper is obtained according to different mass ratio. The effects of wave travel, coherency loss, and different site conditions on the system without and with control are investigated, respectively.

Suggested Citation

  • Li Tian & Qiqi Yu & Ruisheng Ma, 2013. "Study on Seismic Control of Power Transmission Tower-Line Coupled System under Multicomponent Excitations," Mathematical Problems in Engineering, Hindawi, vol. 2013, pages 1-12, September.
    • Handle: RePEc:hin:jnlmpe:829415
    DOI: 10.1155/2013/829415
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