Paper Title:

A Force Method Model for Static Analysis of Transmission Line System Subjected to in-Plane and Out-of-Plane Loadings

Periodical Advanced Materials Research (Volumes 368 - 373)
Main Theme Advances in Civil Engineering and Architecture Innovation
Chapter Chapter 10: Reproduction and Inherit of Local Architecture
Edited by Qing Yang, Li Hua Zhu, Jing Jing He, Zeng Feng Yan and Rui Ren
Pages 3535-3538
DOI 10.4028/www.scientific.net/AMR.368-373.3535
Citation Xing Ma et al., 2011, Advanced Materials Research, 368-373, 3535
Online since October 2011
Authors Xing Ma, Julie E. Mills, Graham Brown, Zhu Ge Yan
Keywords Force Method Model, In-Plane Loads, Out-of-Plane Loads, Single and Multi-Span Cable Structures, Transmission Line System
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In this paper, transmission line systems are modeled as multi-span cable structures. A force method model is proposed for analysing the static response of the multi-span cables with small sags. The accepted cable model reduces to two groups of differential equations (the equilibrium equations in y, z directions) and an integral equation (the compatibility equation). Substituting the differential equation solutions into the compatibility condition, the governing equation is obtained in terms of the tension component in chord direction. This equation has been named the force method equation (FME). In this way the infinite-degree-of-freedom dynamic system is effectively simplified to a system with only one unknown. Finally, one example is presented to illustrate the application of the proposed force method.

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