| 1000kV输电塔横风向振动风洞试验研究 |
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| 引用本文： | 谢强,管政,严承涌.1000kV输电塔横风向振动风洞试验研究[J].电网技术,2011(5). |
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| 作者姓名： | 谢强 管政 严承涌 |
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| 作者单位： | 土木工程防灾国家重点实验室(同济大学);同济大学土木工程学院;中国海诚工程科技股份有限公司; |
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| 基金项目： | 国家自然科学基金项目(50508026,50778135); 国家电网公司科技项目(SGKJJSKF[2008-536]); 教育部霍英东教育基金会优选资助课题(114021)~~ |
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| 摘 要： | 为研究特高压输电塔架和输电塔–线耦联体系的横风向风振响应特点,以某1 000 kV输电线路为工程背景,通过气弹模型风洞试验,分析了单塔和塔–线体系在紊流风场中的横风向风振响应。试验结果表明:在紊流风场中,输电塔的横风向响应和顺风向响应处于同一数量级;塔–线体系中输电塔的横风向加速度响应大于单塔,横担端部的横风向位移响应大于单塔,而塔身处的横风向位移响应却小于单塔。高阶振型对单塔横风向加速度和位移响应的影响不能忽略,而位移响应还包含了一定程度的背景响应。在进行特高压输电塔的抗风设计中,应考虑横风向风振响应的影响。
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| 关 键 词： | 1000kV输电线路 风洞试验 单塔 塔–线体系 横风向响应 气弹模型 |
Wind Tunnel Test on Across-Wind Vibration of 1 000 kV UHV Transmission Tower |
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| XIE Qiang,GUAN Zheng,YAN Chengyong,Yangpu District,Shanghai ,China,.College of Civil Engineering,Tongji University,.China Haisum Engineering Co.Ltd.,Xuhui District,Shanghai ,China.Wind Tunnel Test on Across-Wind Vibration of 1 000 kV UHV Transmission Tower[J].Power System Technology,2011(5). |
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| Authors: | XIE Qiang GUAN Zheng YAN Chengyong Yangpu District Shanghai China College of Civil Engineering Tongji University China Haisum Engineering CoLtd Xuhui District Shanghai China |
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| Affiliation: | XIE Qiang1,GUAN Zheng2,YAN Chengyong3(1.State Key Laboratory of Disaster Reduction in Civil Engineering(Tongji University),Yangpu District,Shanghai 200092,China,2.College of Civil Engineering,Tongji University,3.China Haisum Engineering Co.Ltd.,Xuhui District,Shanghai 200031,China) |
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| Abstract: | To research across-wind-induced vibration response of ultra high voltage(UHV) transmission tower and that of tower-line coupling system,taking a certain 1000kV transmission line as research object,through wind tunnel test of aeroelastic model the across-wind-induced vibration responses of both single tower and tower-line coupling system under turbulent flow are researched.Test results show that in turbulent wind field the across-wind-induced vibration response and the along-wind-induced vibration response o... |
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| Keywords: | 1000kV transmission line wind tunnel test single tower tower-line coupling system across-wind response aeroelastic model |
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