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投稿时间：2007-03-12 修订日期：2007-08-05
投稿时间：2007-03-12 修订日期：2007-08-05
中文摘要: 2006年4月11—13日湖北省各地出现大风天气，给农业、供电、城市公共设施造成极大破坏
。根据《建筑结构荷载规范》，利用各站逐时风速资料，对该过程所产生的基本风压和结构
风压进行了详细计算并与历史个例进行对比。结果表明，该次过程产生的在离地10m高度造
成的最大风压（瞬时）为0.53kN·m-2,30m铁塔最大结构风压（瞬时）高达2.60kN·m
-2，其破坏力比基本风压放大了5倍，足以对铁塔、房屋、广告牌等构筑物产生严重
破坏。
Abstract:The extreme wind on 11 13 April, 2006 in Hubei Province caused serious losses i
n agriculture, electricity appliance and public accommodation of city. According
to “Specification of Architectural Structure Load", the basic wind pressure an
d the structural wind pressure are calculated by using the hourly wind speed dat
a at the meteorological stations, and compared with historical data. The results
show that the greatest (instantaneous) wind pressure at the height of 10m above
the ground is 0.53kN·m-2,and the greatest structural pressure acting on
30m tower reaches 2.60kN·m-2，5 times more than the basic wind pressure,
so it easily damage the towers, buildings and billboards.
keywords: disaster caused by wind wind pressure wind load
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基金项目:
| Author Name | Affiliation |
| Li Lan | Wuhan Regional Climate Center, Wuhan 430074 |
| Chen Zhenghong | Wuhan Regional Climate Center, Wuhan 430074 |
引用文本：
李兰,陈正洪,2007.2006年4月11—13日湖北省大风致灾分析[J].气象,33(10):23-27.
Li Lan,Chen Zhenghong,2007.Evaluation on Disaster Caused by Extreme Wind on 11 13 April, 2006 in Hubei Province[J].Meteor Mon,33(10):23-27.
李兰,陈正洪,2007.2006年4月11—13日湖北省大风致灾分析[J].气象,33(10):23-27.
Li Lan,Chen Zhenghong,2007.Evaluation on Disaster Caused by Extreme Wind on 11 13 April, 2006 in Hubei Province[J].Meteor Mon,33(10):23-27.