WIND LOAD ON THE TAPERED SUPER-TALL BUILDING

被引：0
|
作者：
Li, Bo [1 ,2 ]
Zhang, Jian [1 ]
Yang, Qingshan [1 ,2 ]
Zhang, Xingcan [1 ]
机构：
[1] Beijing Jiaotong Univ, Sch Civil Engn, Beijing, Peoples R China
[2] Beijing Jiaotong Univ, Beings Key Lab Struct Wind Engn & Urban Wind Envi, Beijing, Peoples R China
来源：
PROCEEDINGS OF THE THIRTEENTH INTERNATIONAL SYMPOSIUM ON STRUCTURAL ENGINEERING, VOLS 1 AND II | 2014年
关键词：
Super-tall building; tapered; wind load; fluctuating; power spectra; RESPONSES;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
High-Frequency-Pressure-Integration tests were carried out in a wind tunnel to investigate wind load characteristics of the tapered super-tall buildings using rigid models. Test results show that a tapered super-tall building might spread the vortex-shedding over a broad range of frequencies and make more effective for reducing vortex-induced vibration in across-wind direction. With increasing of taper ratio, the normalized power spectra and the RMS of lift coefficient decreases, power spectra band width of lift coefficient increases, but drag and torsion coefficient almost keep the same.
引用
收藏
页码：1621 / 1626
页数：6
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