Nonlinear Seismic Behavior of Different Boundary Conditions of Transmission Line Systems under Earthquake Loading

Nonlinear seismic behaviors of different boundary conditions of transmission line system under earthquake loading are investigated in this paper. The transmission lines are modeled by cable element accounting for the nonlinearity of the cable. For the suspension type, three towers and two span lines...

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Main Authors: Li Tian, Xia Gai
Format: Article
Language:English
Published: Wiley 2016-01-01
Series:Shock and Vibration
Online Access:http://dx.doi.org/10.1155/2016/6380321
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author Li Tian
Xia Gai
author_facet Li Tian
Xia Gai
author_sort Li Tian
collection DOAJ
description Nonlinear seismic behaviors of different boundary conditions of transmission line system under earthquake loading are investigated in this paper. The transmission lines are modeled by cable element accounting for the nonlinearity of the cable. For the suspension type, three towers and two span lines with spring model (Model 1) and three towers and four span lines’ model (Model 2) are established, respectively. For the tension type, three towers and two span lines’ model (Model 3) and three towers and four span lines’ model (Model 4) are created, respectively. The frequencies of the transmission towers and transmission lines of the suspension type and tension type are calculated, respectively. The responses of the suspension type and tension type are investigated using nonlinear time history analysis method, respectively. The results show that the responses of the transmission tower and transmission line of the two models of the suspension type are slightly different. However, the responses of transmission tower and transmission line of the two models of the tension type are significantly different. Therefore, in order to obtain accurate results, a reasonable model should be considered. The results could provide a reference for the seismic analysis of the transmission tower-line system.
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spelling doaj-art-f8fe5a5faf5b4cb7b0f85f71bd949ccf2025-02-03T01:23:50ZengWileyShock and Vibration1070-96221875-92032016-01-01201610.1155/2016/63803216380321Nonlinear Seismic Behavior of Different Boundary Conditions of Transmission Line Systems under Earthquake LoadingLi Tian0Xia Gai1School of Civil Engineering, Shandong University, Jinan, Shandong 250061, ChinaSchool of Civil Engineering, Shandong University, Jinan, Shandong 250061, ChinaNonlinear seismic behaviors of different boundary conditions of transmission line system under earthquake loading are investigated in this paper. The transmission lines are modeled by cable element accounting for the nonlinearity of the cable. For the suspension type, three towers and two span lines with spring model (Model 1) and three towers and four span lines’ model (Model 2) are established, respectively. For the tension type, three towers and two span lines’ model (Model 3) and three towers and four span lines’ model (Model 4) are created, respectively. The frequencies of the transmission towers and transmission lines of the suspension type and tension type are calculated, respectively. The responses of the suspension type and tension type are investigated using nonlinear time history analysis method, respectively. The results show that the responses of the transmission tower and transmission line of the two models of the suspension type are slightly different. However, the responses of transmission tower and transmission line of the two models of the tension type are significantly different. Therefore, in order to obtain accurate results, a reasonable model should be considered. The results could provide a reference for the seismic analysis of the transmission tower-line system.http://dx.doi.org/10.1155/2016/6380321
spellingShingle Li Tian
Xia Gai
Nonlinear Seismic Behavior of Different Boundary Conditions of Transmission Line Systems under Earthquake Loading
Shock and Vibration
title Nonlinear Seismic Behavior of Different Boundary Conditions of Transmission Line Systems under Earthquake Loading
title_full Nonlinear Seismic Behavior of Different Boundary Conditions of Transmission Line Systems under Earthquake Loading
title_fullStr Nonlinear Seismic Behavior of Different Boundary Conditions of Transmission Line Systems under Earthquake Loading
title_full_unstemmed Nonlinear Seismic Behavior of Different Boundary Conditions of Transmission Line Systems under Earthquake Loading
title_short Nonlinear Seismic Behavior of Different Boundary Conditions of Transmission Line Systems under Earthquake Loading
title_sort nonlinear seismic behavior of different boundary conditions of transmission line systems under earthquake loading
url http://dx.doi.org/10.1155/2016/6380321
work_keys_str_mv AT litian nonlinearseismicbehaviorofdifferentboundaryconditionsoftransmissionlinesystemsunderearthquakeloading
AT xiagai nonlinearseismicbehaviorofdifferentboundaryconditionsoftransmissionlinesystemsunderearthquakeloading