Comparative Analysis of Transmission Tower Using XX and XBX Bracing Systems in Different Wind Zones
Anshu Kumar Pal1, M. Suneel2, P V Rambabu3
1Anshu Kumar Pal, Department of Civil Engineering, S.R.K.R. Engineering College, Bhimavaram (Andhra Pradesh), India.
2Suneel Merugu, Department of Civil Engineering, S.R.K.R. Engineering College, Bhimavaram (Andhra Pradesh), India.
3P V Rambabu, Department of Civil Engineering, S.R.K.R. Engineering College, Bhimavaram (Andhra Pradesh), India.
Manuscript received on 11 May 2019 | Revised Manuscript received on 05 June 2019 | Manuscript Published on 15 June 2019 | PP: 56-61 | Volume-8 Issue-1S3 June 2019 | Retrieval Number: A10110681S319/2019©BEIESP
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: An electrical power transmission line tower has now become indispensable requirement for the proper and safe transportation of high voltage electricity in our day-to-day life since it constitute 25 to 45 percent of capital cost of the power transmission line project. As the cost of the tower include parameters like labor, transportation, erection, etc. which are constant, major focus should be given in optimizing steel quantity for achieving the economical design without compromising the required strength of tower. In this analyzation, a quintessential 220 KV suspension type, square based self-supporting transmission tower having double circuit is taken for scrutinization. Two bracing systems viz. XX and XBX are being compared in all the six wind zones of India using seven different load conditions as per IS 802 (Part-1 / Sec-I):1995. The structural behavior of tower for both bracing systems are modelled and analyzed in STAAD Pro V8i software. The denouement of XBX – bracing system was concluded to be more economical in comparison with XX – bracing system in all wind zones of India.
Keywords: STAAD Pro., Transmission Tower, Wind load, ‘XX’ & ‘XBX’ Bracings.
Scope of the Article: Structural Reliability Analysis