| 淮蚌线淮河大跨越输电塔有限元建模和修正研究 |
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| 引用本文： | 汪江,杜晓峰,张会武,韩晓林,何顶顶,费庆国.淮蚌线淮河大跨越输电塔有限元建模和修正研究[J].钢结构,2009,24(1). |
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| 作者姓名： | 汪江 杜晓峰 张会武 韩晓林 何顶顶 费庆国 |
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| 作者单位： | 安徽省电力科学研究院,合肥,230022;东南大学土木工程学院,南京,210096 |
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| 基金项目： | 国家电网公司重大科技创新项目 |
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| 摘 要： | 超高压大跨越输电塔构成复杂,且具有塔体高、档距大等特点,对地震、风以及导线覆冰等效应的反应灵敏。为了对其进行结构健康监测和安全评估问题的研究,需要建立能够较准确反映结构动力特性的模型。通过对淮蚌线淮河某500kV大跨越输电塔有限元模型的建立及动力特性参数的计算,结果表明:计算结果与实测结果存在较大误差,从质量、刚度及边界条件等角度进行分析,进而对有限元模型进行修正。修正后计算动力特性参数与现场测试结果基本吻合,为进一步开展输电塔结构安全评估提供了基准模型。
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| 关 键 词： | 大跨越输电塔 结构健康监测 有限元建模 模型修正 |
PARAMETRIC FINITE ELEMENT MODELING AND UPDATING OF EHV POWER TRANSMISSION TOWER |
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| Wang Jiang,Du Xiaofeng,Zhong Huiwu,Han Xiaolin,He Dingding,Fei Qingguo.PARAMETRIC FINITE ELEMENT MODELING AND UPDATING OF EHV POWER TRANSMISSION TOWER[J].Steel Construction,2009,24(1). |
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| Authors: | Wang Jiang Du Xiaofeng Zhong Huiwu Han Xiaolin He Dingding Fei Qingguo |
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| Affiliation: | 1.Anhui Electric Power Research Institute;Hefei 230022;China;2.School of Civil Engineering;Southeast University;Nanjing 210096;China |
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| Abstract: | Long-span Extremely High Voltage (EHV) transmission towers are always sensitive to environmental action such as earthquake, wind and ice because of its flexibility and long-span. It is essential to build the mechanical model of the tower for the purpose of studying the health monitoring and safety evaluation. The paper presents the study on finite element modaling and updating of the 500 kV Huai-Ben Line transmission tower crossing the Huaihe River. A finite element model is established. This deviation betw... |
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| Keywords: | long-span transmission tower structural health monitoring finit e element modeling model updating |
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