Effective bracing system for transmissionline towers

Transmission line tower which usually affected by the wind load need to be designed to resist the wind load. The transmission line tower should have effective height and effective bracing system in order to give better performance to resist the load. In this research, the transmission line tower was...

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Main Author: Nor Najjatulnajihah, Mohd Hamizul
Format: Undergraduates Project Papers
Language:English
Published: 2019
Subjects:
Online Access:http://umpir.ump.edu.my/id/eprint/29572/
http://umpir.ump.edu.my/id/eprint/29572/1/Effective%20bracing%20system%20for%20transmissionline%20towers.pdf
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author Nor Najjatulnajihah, Mohd Hamizul
author_facet Nor Najjatulnajihah, Mohd Hamizul
author_sort Nor Najjatulnajihah, Mohd Hamizul
building UMP Institutional Repository
collection Online Access
description Transmission line tower which usually affected by the wind load need to be designed to resist the wind load. The transmission line tower should have effective height and effective bracing system in order to give better performance to resist the load. In this research, the transmission line tower was in the form of suspension tower were modelled and designed in Staadpro V8i. Two types of bracing system, K and X system were assigned to the tower. These towers were modeled by considering the effects of tower height which include 39 m, 49 m and 100 m height and were developed with three wind speeds which include 32.5 m/s, 33.5 m/s and 40 m/s in Staadpro V8i. Comparison was made based on the displacement and axial load. It was found that the tower with height 39 m and 49 m gives K bracing system as the effective bracing system and tower with height 100 m showed X bracing system is the effective bracing system. In terms of displacement, 39 m tower with K bracing system that was subjected to 32.5 m/s, 33.5 m/s, and 40 m/s wind speed showed that the displacement was reduced similar to that of 49 m tower height. In contrast, 100 m tower height with K bracing system showed that the displacement increased from the X bracing system. In terms of axial load, 39 m tower subjected to the wind speed of 32.5 m/s, 33.5 m/s, and 40 m/s showed that the K bracing system reduced from the X bracing system, similar to that of 49 m tower. As for the 100 m tower, K bracing system exhibited higher axial load which approximately 46% compared to the X bracing system.
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format Undergraduates Project Papers
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institution Universiti Malaysia Pahang
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language English
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publishDate 2019
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spelling ump-295722023-10-13T00:16:47Z http://umpir.ump.edu.my/id/eprint/29572/ Effective bracing system for transmissionline towers Nor Najjatulnajihah, Mohd Hamizul TA Engineering (General). Civil engineering (General) Transmission line tower which usually affected by the wind load need to be designed to resist the wind load. The transmission line tower should have effective height and effective bracing system in order to give better performance to resist the load. In this research, the transmission line tower was in the form of suspension tower were modelled and designed in Staadpro V8i. Two types of bracing system, K and X system were assigned to the tower. These towers were modeled by considering the effects of tower height which include 39 m, 49 m and 100 m height and were developed with three wind speeds which include 32.5 m/s, 33.5 m/s and 40 m/s in Staadpro V8i. Comparison was made based on the displacement and axial load. It was found that the tower with height 39 m and 49 m gives K bracing system as the effective bracing system and tower with height 100 m showed X bracing system is the effective bracing system. In terms of displacement, 39 m tower with K bracing system that was subjected to 32.5 m/s, 33.5 m/s, and 40 m/s wind speed showed that the displacement was reduced similar to that of 49 m tower height. In contrast, 100 m tower height with K bracing system showed that the displacement increased from the X bracing system. In terms of axial load, 39 m tower subjected to the wind speed of 32.5 m/s, 33.5 m/s, and 40 m/s showed that the K bracing system reduced from the X bracing system, similar to that of 49 m tower. As for the 100 m tower, K bracing system exhibited higher axial load which approximately 46% compared to the X bracing system. 2019-05 Undergraduates Project Papers NonPeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/29572/1/Effective%20bracing%20system%20for%20transmissionline%20towers.pdf Nor Najjatulnajihah, Mohd Hamizul (2019) Effective bracing system for transmissionline towers. Faculty of Civil Engineering and Earth Resources, Universiti Malaysia Pahang.
spellingShingle TA Engineering (General). Civil engineering (General)
Nor Najjatulnajihah, Mohd Hamizul
Effective bracing system for transmissionline towers
title Effective bracing system for transmissionline towers
title_full Effective bracing system for transmissionline towers
title_fullStr Effective bracing system for transmissionline towers
title_full_unstemmed Effective bracing system for transmissionline towers
title_short Effective bracing system for transmissionline towers
title_sort effective bracing system for transmissionline towers
topic TA Engineering (General). Civil engineering (General)
url http://umpir.ump.edu.my/id/eprint/29572/
http://umpir.ump.edu.my/id/eprint/29572/1/Effective%20bracing%20system%20for%20transmissionline%20towers.pdf