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首页> 外文期刊>Journal of Civil Engineering and Science >Regional and Seasonal Variations of the Characteristics of Gust Factor in Hong Kong and Recent Observed Long Term Trend
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Regional and Seasonal Variations of the Characteristics of Gust Factor in Hong Kong and Recent Observed Long Term Trend

机译：香港阵风因子特征的区域和季节变化及近期观察到的长期趋势

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摘要

The design of buildings and structural systems requires consideration of winds and gusts. Among the wind parameters, the gust factor, which reflects the degree of wind turbulence or gustiness, is one of the critical parameters widely employed in codes and standards for estimating the wind loading effect. Hong Kong, located at the coast of south China, has a sub-tropical climate with significant seasonal variation. Different weather systems characterize different seasons, resulting in a marked seasonal variation in wind speed and prevailing wind direction. Climatologically, high wind and gust conditions in summer are attributed to the passage of tropical cyclones while those in winter are attributed to intense winter monsoons. In addition to seasonal variation, the wind pattern in Hong Kong is complicated by the complex terrain and the densely distributed high-rise buildings constructed in the past few decades. This study analyses the wind data measured at different locations of the territory by a network of anemometers, the aim being to examine the characteristics of the gust factors in summer and winter in different regions as well as to determine the long-term trend, if any, of the gust factors.
机译：建筑物和结构系统的设计需要考虑风和阵风。在风参数中，反映风的湍流或阵风程度的阵风因子是广泛用于估算风载荷效应的规范和标准中的关键参数之一。香港位于中国南部沿海地区，属亚热带气候，季节性变化显着。不同的天气系统表征不同的季节，从而导致风速和盛行风向的明显季节性变化。在气候上，夏季的强风和阵风条件归因于热带气旋的通过，而冬季的归因于强烈的冬季季风。除季节性变化外，香港的风况还因过去几十年来复杂的地形和密集分布的高层建筑而变得复杂。这项研究通过风速计网络分析了在该地区不同地点测得的风数据，目的是检查夏季和冬季不同地区的阵风因子的特征，并确定长期趋势（如果有） ，阵风因素。

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