| 美国输电线路风荷载计算介绍 |
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| 引用本文： | 王振华. 美国输电线路风荷载计算介绍[J]. 特种结构, 2012, 29(4): 22-24,32 |
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| 作者姓名： | 王振华 |
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| 作者单位： | 广东省电力设计研究院 广州510663 |
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| 摘 要： | 了解《美国输电线路结构荷载指南》(ASCE74-2009)对从事涉外工程和提高工程师设计水平都有着重要意义。风荷载是输电线路设计的控制荷载,了解ASCE74-2009风荷载计算方法非常有必要。本文介绍了ASCE74-2009输电线路风荷载的计算方法,并对基本风速、风压高度变化系数、体型系数、风荷载调整系数、地形影响因子和斜向风荷载计算方法及其计算参数进行了说明。
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| 关 键 词： | 美国输电线路结构荷载指南 输电塔 导线 风荷载 计算参数 |
Introduction of Wind Load Computation of Transmission Line in ASCE74-2009 |
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| Wang Zhenhua. Introduction of Wind Load Computation of Transmission Line in ASCE74-2009[J]. Special Structures, 2012, 29(4): 22-24,32 |
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| Authors: | Wang Zhenhua |
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| Affiliation: | Wang Zhenhua (Guangdong Electric Power Design Institute,Guangzhou 510663,China ) |
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| Abstract: | It is very important to comprehend《Guidelines for electrical transmission line structural loading}（ASCE74-2009） for overseas projects and improve the design level of engineer.Wind load is the control load for transmission line,so it is necessary to master wind load computation method of ASCE74- 2009.Wind load computation formulas for transmission line of ASCE74-2009 are introduced in this paper.The computation parameters of basic wind speed,height variation factor of wind pressure,shape factor,wind load factor,topographic factor and yawed wind load computation method are illustrated in detail. |
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| Keywords: | ASCE74 Transmission tower Wire Wind load Computation parameters |
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