乌干达经处理的现役木质配电杆的性能

IF 2.4 3区 农林科学 Q1 FORESTRY
E. Otuko, P. Mugabi, T. Nabatanzi, P. Kityo, P. Kakeeto, I. Kinhonhi, F. Kansiime
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引用次数: 0

摘要

尽管铬化砷酸铜(CCA)和铬化砷酸铜(Creosote)处理过的桉树容易发生生物降解,但它们仍是乌干达木质配电杆的首选材料。本研究评估了乌干达电线杆过早损坏的程度、原因以及电线杆的使用寿命。研究采用混合方法收集和分析数据,包括:(i) 二次数据提取;(ii) 利益相关者访谈;(iii) 焦点小组讨论;(iv) 实地观察。结果显示,2017 年至 2021 年期间供应的电线杆中,超过 8.3% 过早出现故障,导致超过 880 万美元的更换费用。880 万美元的更换费用。真菌腐烂和白蚁破坏是电线杆故障的主要原因,分别占 CCA 处理电线杆的 85.3% 和火碱处理电线杆的 67%。进一步分析表明,乌干达电线杆的平均使用寿命约为 10 年。电线杆故障的原因、故障点和电线杆的地理位置被认为是电线杆过早损坏的主要原因。为尽量减少故障,建议根据适用的国家和地区标准对电线杆进行采购、处理、调味和防腐处理。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Performance of treated wooden electricity distribution poles in service in Uganda

Performance of treated wooden electricity distribution poles in service in Uganda

Chromated Copper Arsenate (CCA) and Creosote-treated eucalypts are the preferred material for wooden electricity distribution poles in Uganda despite their susceptibility to biodegradation. This study assessed the extent of premature pole failure, its causes, and the service life of poles in Uganda. A mixed-methods approach was used to collect and analyse data including: (i) Secondary data extraction (ii) stakeholder interviews (iii) focus group discussions, and (iv) field observations. The results showed that over 8.3% of poles supplied between 2017 and 2021 failed prematurely translating to over USD. 8.8 million in replacement costs. Fungal decay and termite damage were the leading causes of pole failure accounting for 85.3% of CCA-treated poles and 67% of creosote-treated poles. Further analysis indicated that the average service life of poles in Uganda was about 10 years. The cause of pole failure, point of failure and geographic location of the pole in service were identified as the main factors to explain premature pole failure. To minimise failure, it is recommended that pole sourcing, handling, seasoning, and preservative treatment are conducted according to applicable country and regional standards.

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来源期刊
European Journal of Wood and Wood Products
European Journal of Wood and Wood Products 工程技术-材料科学:纸与木材
CiteScore
5.40
自引率
3.80%
发文量
124
审稿时长
6.0 months
期刊介绍: European Journal of Wood and Wood Products reports on original research and new developments in the field of wood and wood products and their biological, chemical, physical as well as mechanical and technological properties, processes and uses. Subjects range from roundwood to wood based products, composite materials and structural applications, with related jointing techniques. Moreover, it deals with wood as a chemical raw material, source of energy as well as with inter-disciplinary aspects of environmental assessment and international markets. European Journal of Wood and Wood Products aims at promoting international scientific communication and transfer of new technologies from research into practice.
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