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Aseismic Calculations for Transmission Towers

by Hongnan Li, Dalian Univ of Technology, Dalian, China,
Suyan Wang, Dalian Univ of Technology, Dalian, China,
Ming Lu, Dalian Univ of Technology, Dalian, China,
Qianxin Wang, Dalian Univ of Technology, Dalian, China,



Document Type: Proceeding Paper

Part of: Lifeline Earthquake Engineering

Abstract:

In this paper, mechanical models for long-span transmission line systems under elastic and gravitational restoring forces are established in three different directions; this continues the authors' previous works (1989, 1990). The equations of vibrations for the systems under the action of earthquakes are derived and the approaches to solve the relevant problems are given. Finally, the response of a practical system composed of 60kV transmission lines and their supporting towers is computed for the earthquake excitations.

Subject Headings: Power transmission towers | Power transmission lines | Earthquakes | Electric power | Vibration | Computer models | Mathematical models

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