The Effect Analysis of Strain Rate on Power Transmission Tower-Line System under Seismic Excitation

The effect analysis of strain rate on power transmission tower-line system under seismic excitation is studied in this paper. A three-dimensional finite element model of a transmission tower-line system is created based on a real project. Using theoretical analysis and numerical simulation, incremen...

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Detalles Bibliográficos
Autores principales: Tian, Li, Wang, Wenming, Qian, Hui
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Hindawi Publishing Corporation 2014
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4101210/
https://www.ncbi.nlm.nih.gov/pubmed/25105157
http://dx.doi.org/10.1155/2014/314605
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author Tian, Li
Wang, Wenming
Qian, Hui
author_facet Tian, Li
Wang, Wenming
Qian, Hui
author_sort Tian, Li
collection PubMed
description The effect analysis of strain rate on power transmission tower-line system under seismic excitation is studied in this paper. A three-dimensional finite element model of a transmission tower-line system is created based on a real project. Using theoretical analysis and numerical simulation, incremental dynamic analysis of the power transmission tower-line system is conducted to investigate the effect of strain rate on the nonlinear responses of the transmission tower and line. The results show that the effect of strain rate on the transmission tower generally decreases the maximum top displacements, but it would increase the maximum base shear forces, and thus it is necessary to consider the effect of strain rate on the seismic analysis of the transmission tower. The effect of strain rate could be ignored for the seismic analysis of the conductors and ground lines, but the responses of the ground lines considering strain rate effect are larger than those of the conductors. The results could provide a reference for the seismic design of the transmission tower-line system.
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spelling pubmed-41012102014-08-07 The Effect Analysis of Strain Rate on Power Transmission Tower-Line System under Seismic Excitation Tian, Li Wang, Wenming Qian, Hui ScientificWorldJournal Research Article The effect analysis of strain rate on power transmission tower-line system under seismic excitation is studied in this paper. A three-dimensional finite element model of a transmission tower-line system is created based on a real project. Using theoretical analysis and numerical simulation, incremental dynamic analysis of the power transmission tower-line system is conducted to investigate the effect of strain rate on the nonlinear responses of the transmission tower and line. The results show that the effect of strain rate on the transmission tower generally decreases the maximum top displacements, but it would increase the maximum base shear forces, and thus it is necessary to consider the effect of strain rate on the seismic analysis of the transmission tower. The effect of strain rate could be ignored for the seismic analysis of the conductors and ground lines, but the responses of the ground lines considering strain rate effect are larger than those of the conductors. The results could provide a reference for the seismic design of the transmission tower-line system. Hindawi Publishing Corporation 2014 2014-06-29 /pmc/articles/PMC4101210/ /pubmed/25105157 http://dx.doi.org/10.1155/2014/314605 Text en Copyright © 2014 Li Tian et al. https://creativecommons.org/licenses/by/3.0/ This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research Article
Tian, Li
Wang, Wenming
Qian, Hui
The Effect Analysis of Strain Rate on Power Transmission Tower-Line System under Seismic Excitation
title The Effect Analysis of Strain Rate on Power Transmission Tower-Line System under Seismic Excitation
title_full The Effect Analysis of Strain Rate on Power Transmission Tower-Line System under Seismic Excitation
title_fullStr The Effect Analysis of Strain Rate on Power Transmission Tower-Line System under Seismic Excitation
title_full_unstemmed The Effect Analysis of Strain Rate on Power Transmission Tower-Line System under Seismic Excitation
title_short The Effect Analysis of Strain Rate on Power Transmission Tower-Line System under Seismic Excitation
title_sort effect analysis of strain rate on power transmission tower-line system under seismic excitation
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4101210/
https://www.ncbi.nlm.nih.gov/pubmed/25105157
http://dx.doi.org/10.1155/2014/314605
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