Evaluation on Disaster Caused by Extreme Wind on 1113 April, 2006 in Hubei P rovince
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Abstract:
The extreme wind on 1113 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.