Browse > Article
http://dx.doi.org/10.12989/sem.2009.31.3.241

Seismic analysis of transmission towers under various line configurations  

Lei, Y.H. (Tamkang University, Department of Software Engineering, Lanyang campus)
Chien, Y.L. (Tamkang University, Civil Engineering Department)
Publication Information
Structural Engineering and Mechanics / v.31, no.3, 2009 , pp. 241-264 More about this Journal
Abstract
In this paper, the dynamic behavior for a group of transmission towers linked together through electrical wires and subjected to a strong ground motion will be investigated in detail. In performing the seismic analysis, the wires and the towers concerned are modeled, respectively, by using the efficient cable elements and the 3-D beam elements both considering geometric nonlinearities. In addition, to enhance the reliability and applicability of analytical outcome, a sophisticated soil-structure interaction model will be utilized in analyses. The strength capacities and the fracture occurrences for the main members of the tower are examined with the employment of the appropriate strength interaction equations. It is expected that by aid of this investigation, those who are engaged in code constitution or in practical designing of transmission towers may gain a better insight into the roles played by the interaction force between towers and wires and by the configurations of transmission lines under strong earthquake.
Keywords
Chi-Chi earthquake; geometric nonlinearity; soil-structure interaction;
Citations & Related Records

Times Cited By Web Of Science : 1  (Related Records In Web of Science)
Times Cited By SCOPUS : 2
연도 인용수 순위
1 AlBermani, F.G.A. and Kitipornchai, S. (1993), "Nonlinear finite element analysis of latticed transmission towers", Eng. Struct., 15, 259-269   DOI   ScienceOn
2 AlBermani, F.G.A. and Kitipornchai, S. (2003), "Numerical simulation of structural behavior of transmission towers", Thin Wall. Struct., 41, 167-177   DOI   ScienceOn
3 Desai, Y., Popplewell, N., Shah, A. and Buragohain, D. (1988) "Geometric nonlinear static analysis of cable supported structures", Comput. Struct., 29(8), 1001-1009   ScienceOn
4 Desai, Y., Yu, P., Popplewell, N. and Shah, A. (1995), "Finite element modelling of transmission line galloping", Comput. Struct., 57, 407-420   DOI   ScienceOn
5 Kitipornchai, S., AlBermani, F.G.A. and Peyrot, A.H. (1994), "Effect of bolt slippage on the ultimate strength of latticed structures", J. Struct. Eng., 120, 2281-2287   DOI   ScienceOn
6 Kitipornchai, S., Zhu, K., Xiang, Y. and AlBermani, F.G.A. (1991), "Single-equation yield surface for monosymmetric and asymmetric sections", Eng. Struct., 13, 366-370   DOI   ScienceOn
7 Knight, G.M.S. and Santhakumar, A.R. (1993), "Joint effects on behavior of transmission towers", J. Struct. Eng., 119, 698-712   DOI
8 Lei, Y.H. and Chien, Y.L. (2005) "Seismic analysis of transmission towers considering both geometric and material nonlinearities", Tamkang J. Sci. Eng., 8, 29-42
9 Lei, Y.H. and Yeh, H.F. (2003), $\grave{i}$Seismic analysis for transmission towers with various line configurationconsidering soil and structure interaction", J. Chinese Inst. Civil Hydraulic Eng., 15, 789-799
10 Song, C. and Wolf, J.P. (1996), "Consistent infinitesimal finite-element-cell method: three-dimensional vector wave equation", Int. J. Numer. Meth. Eng., 39, 2189-2208   DOI   ScienceOn
11 Wolf, J.P. and Song, C. (1994), "Dynamic-stiffness matrix in time domain of unbounded medium by infinitesimal finite element cell method", Earthq. Eng. Struct. Dyn., 23, 1181-1198   DOI   ScienceOn
12 Wolf, J.P. and Song, C. (1997), Finite-Element Modelling of Unbounded Media, John Wiley & Sons, New York