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Appl. Sci. 2017, 7(5), 477; doi:10.3390/app7050477

Vibration Control of a Power Transmission Tower with Pounding Tuned Mass Damper under Multi-Component Seismic Excitations

1
School of Civil Engineering, Shandong University, Jinan 250061, Shandong Province, China
2
Transportation Equipment and Ocean Engineering College, Dalian Maritime University, Dalian 116026, Liaoning Province, China
*
Author to whom correspondence should be addressed.
Academic Editor: César M. A. Vasques
Received: 7 March 2017 / Revised: 22 April 2017 / Accepted: 2 May 2017 / Published: 5 May 2017
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Abstract

In this paper, the two-dimensional vibration controls of a power transmission tower with a pounding tuned mass damper (PTMD) under multi-component seismic excitations are analyzed. A three-dimensional finite element model of a practical power transmission tower is established in ABAQUS (Dassasult Simulia Company, Providence, RI, USA). The TMD (tuned mass damper) and PTMD are simulated by the finite element method. The response of the transmission tower with TMD and PTMD are analyzed, respectively. To achieve optimal design, the influence of the mass ratio, ground motion intensity, gap, and incident angle of seismic ground motion are investigated, respectively. The results show that the PTMD is very effective in reducing the vibration of the transmission tower in the longitudinal and transverse directions. The reduction ratio increases with the increase of the mass ratio. The ground motion intensity and gap have no obvious influence on the reduction ratio. However, the incident angle has a significant influence on the reduction ratio. View Full-Text
Keywords: power transmission tower; pounding tuned mass damper; multi-component seismic excitations; mass ratio; gap; incident angle power transmission tower; pounding tuned mass damper; multi-component seismic excitations; mass ratio; gap; incident angle
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MDPI and ACS Style

Tian, L.; Rong, K.; Zhang, P.; Liu, Y. Vibration Control of a Power Transmission Tower with Pounding Tuned Mass Damper under Multi-Component Seismic Excitations. Appl. Sci. 2017, 7, 477.

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