Vibration Control of Transmission Line Tower using Linear Viscous Dampers

International Journal of Civil Engineering

© 2022 by SSRG - IJCE Journal

Volume 9 Issue 6

Year of Publication : 2022

Authors : Yash M. Patel, Snehal V. Mevada, Vimlesh V. Agrawal

10.14445/23488352/IJCE-V9I6P102

How to Cite?

Yash M. Patel, Snehal V. Mevada, Vimlesh V. Agrawal, "Vibration Control of Transmission Line Tower using Linear Viscous Dampers," SSRG International Journal of Civil Engineering, vol. 9,  no. 6, pp. 15-27, 2022. Crossref, https://doi.org/10.14445/23488352/IJCE-V9I6P102

Abstract:

The study focused on the vibration control of a transmission line tower using linear viscous dampers (LVDs) with different bracing systems located in the hilly area. The transmission tower's displacement, acceleration, and base reaction responses are obtained by performing a linear time history analysis using past earthquake data. Optimum parameters for the dampers are derived based on the numerical study. To investigate the effectiveness of LVDs in the transmission line tower, a comparative study between the controlled response and the corresponding uncontrolled response is carried out. For the present study, it is observed that the transmission tower with (Leg or body of the tower) Portal, (Cage up to Panel 7) Double Web, and (Panel 8, Peak) Single Web or combine system give a maximum reduction in response with less value of damping coefficient and structural steel.

Keywords:

Transmission line tower, Sloping ground, Seismic response, Optimum, Linear viscous dampers.

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