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Monitoring wind effects of a landfall typhoon on a 600 m high skyscraper

机译：监测600米高摩天大楼登陆台风的风效

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摘要

This article presents the observations of the atmospheric boundary layer (ABL) and wind effects on a 600 m high skyscraper during a landfall typhoon. Wind structure and characteristics throughout the entire ABL are presented and discussed based on records from a Doppler radar wind profiler and near-ground measurements at several meteorological stations. Wind speed profiles with the feature of low-level jets and radial-distance and exposure dependences of gradient height are stressed. Afterwards, wind-induced pressures on building surfaces of the skyscraper are investigated with highlights on non-Gaussian probability distributions of negative pressures and vortex shedding occurred alternately at two sides of the building. The structural responses measured by both accelerometers and strain gauges are analyzed subsequently. Modal parameters of the skyscraper and their dependence on response amplitude are presented and discussed. This study aims to provide useful information for the wind-resistant design of skyscrapers in tropic cyclone-prone regions.
机译：本文介绍了大气边界层（ABL）和风效对600米高的摩天大楼的观察，在平地下降台风期间。基于多普勒雷达风分析器和几个气象站的近地测量的记录来提出和讨论整个ABL的风结构和特性。强调带有低级喷射和径向距离和梯度高度曝光率的特征的风速曲线。然后，研究了摩天大楼的建筑表面的风力诱导压力，并亮起了负压的非高斯概率分布，并且在建筑物的两侧交替发生涡旋脱落。随后分析通过加速度计和应变仪测量的结构响应。介绍和讨论了摩天大楼的模态参数及其对响应幅度的依赖性。本研究旨在为热带旋风 - 易发地区的摩天大楼抗风设计提供有用的信息。

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