国内外规范输电线路铁塔风荷载特性对比

doi:10.11930/j.issn.1004-9649.2013.4.37.5

中国电力 ›› 2013, Vol. 46 ›› Issue (4): 37-42.DOI: 10.11930/j.issn.1004-9649.2013.4.37.5

国内外规范输电线路铁塔风荷载特性对比

潘峰¹，陈稼苗¹，聂建波²，郭勇¹，应建国¹

1. 浙江省电力设计院,浙江杭州 310012;
2. 浙江省电力物资供应公司,浙江杭州 310003

收稿日期:2013-01-12 出版日期:2013-04-05 发布日期:2015-12-14
作者简介:潘峰（1980—）,男,浙江绍兴人,博士,高级工程师,从事输电塔设计、分析等研究。E-mail: qiushif@163.com

Contrast Study of Wind Load Characteristics for Transmission Towers Based Foreign Standards

PAN Feng¹, CHEN Jia-miao¹, NIE Jian-bo², GUO Yong¹, YING Jian-guo¹

1. Zhejiang Electric Power Design Institute, Hangzhou 310012, China;
2. Zhejiang Provincial Electric Equipment & Materials Supply Company, Hangzhou 310003, China

Received:2013-01-12 Online:2013-04-05 Published:2015-12-14

摘要/Abstract

摘要： 输电铁塔属于风敏感结构,风与结构的相互作用十分复杂,风荷载是设计的主要控制荷载。随着涉外工程的增多,准确把握国外规范的风荷载取值成为铁塔设计的关键一步。首先对国际上通用的输电线路设计规范（包括ASCE 74-2009、IEC 60826及BS EN 50341）中关于铁塔风荷载的计算原理进行梳理和分析,得到了一套完整的铁塔风荷载计算方法。以某一典型的输电铁塔为研究对象,分别按照国外规范计算得到了塔身和横担的风荷载,分析了结构各层的风荷载分布特点,并与我国规范的计算结果进行对比研究。通过研究,揭示了国外规范计算铁塔风荷载的特点,结果可作为输电铁塔抗风设计的参考。

关键词: 输电铁塔, 风荷载, 国外规范, 对比分析, 分布特点

Abstract: With the complex interaction between wind and structure, transmission towers belong to wind-sensitive structures and the wind load becomes the main problem in structure design. With the increase of transmission line projects undertaken abroad, to accurately understand the wind load specifications in foreign standards is a fundamental and key step for designing transmission towers. In this paper, an analysis is conducted on the calculation principles of wind load for towers in different international transmission line codes (including ASCE74-2009, IEC60826 and BS EN50341), and a calculation method for tower wind load was obtained. Based on a typical transmission tower, the wind loads of the tower body and cross-arm were calculated respectively in accordance with foreign standards. Meanwhile, the wind load distribution characteristics of structural layers were analyzed and compared with those calculated with Chinese standards. The wind load characteristics of transmission towers in foreign standards obtained in this study may be referred in the design of wind loads for transmission towers in foreign countries.

Key words: transmission tower, wind load, foreign specification, comparative analysis, distribution characteristics

中图分类号:

TM75

潘峰，陈稼苗，聂建波，郭勇，应建国. 国内外规范输电线路铁塔风荷载特性对比[J]. 中国电力, 2013, 46(4): 37-42.

PAN Feng, CHEN Jia-miao, NIE Jian-bo, GUO Yong, YING Jian-guo. Contrast Study of Wind Load Characteristics for Transmission Towers Based Foreign Standards[J]. Electric Power, 2013, 46(4): 37-42.

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https://www.electricpower.com.cn/CN/Y2013/V46/I4/37

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国内外规范输电线路铁塔风荷载特性对比

Contrast Study of Wind Load Characteristics for Transmission Towers Based Foreign Standards

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国内外规范输电线路铁塔风荷载特性对比

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