Title: The observation for high frequency turbulence of natural wind on condition of different geography
Abstract: The instable wind speed and direction may lead to structural vibration and even damage. The weather data are usually taken in long period of time, while free vibration period of structures is in second order of magnitude, so the present data to describe wind instability could not meet the demand of dynamic analysis. In this paper, the simultaneous changes of wind speed and direction are observeed by seconds at spots of different geography(seaside), mountains and suburbs. The data show increasing wind stability wind from suburbs mountains to seaside, indicating evident influences of different geography on the wind stability. Therefore dynamic analysis are necessary for structures working in the disadvantageous landform.
Publication Year: 2002
Publication Date: 2002-01-01
Language: en
Type: article
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