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Title: Effects of Typhoon Sam on Di Wang Tower : field measurement
Authors: Xu, YL 
Zhan, S
Ko, JM 
Keywords: Data analysis
Di wang tower
Field measurement
Structural response
Typhoon sam
Wind characteristics
Issue Date: 2000
Publisher: Hong Kong Institution of Engineers
Source: HKIE transactions, 2000, v. 7, no. 2, p. 41-48 How to cite?
Journal: HKIE transactions 
Abstract: This paper presents field measurement results of wind characteristics and structural response of Di Wang Tower during Typhoon Sam, which crossed over the tower on 22 August 1999. Di Wang Tower of 384 m high is located at the downtown Shenzhen, about 2 kilometres from the Hong Kong border. The field measurements were made possible by a wind and structural-monitoring program jointly developed by the Hong Kong Polytechnic University and China Academy of Building Research. The measured wind data are analysed in this paper to obtain the mean wind speed and direction, turbulence intensity, gust factor, probability distribution, and wind spectrum. Comments are made on wind characteristics through the comparison, as far as possible, between the measured results and those currently used in Hong Kong. The structural characteristics and response, including natural frequency, modal-damping ratio, translational and torsional displacement and acceleration responses, of the tower measured during Typhoon Sam are also presented. The comparative results show some similarity and difference between the measured and currently used wind characteristics. The field measurement data obtained are useful for the future design of tall buildings in typhoon regions.
ISSN: 1023-697X
EISSN: 2326-3733
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