- 摘 要
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[關鍵詞]高層建筑;風致響應;干擾效應;風洞試驗
中圖分類號:TU973.32文獻標識碼:A文章編號:1002-848X(2011)10-0139-04
Study on interference effects of wind induced response of a tall building
Li Yonggui1, Li Qiusheng1,2(1 Key Laboratory of Building Safety and Energy Efficiency of Hunan University, Changsha 410082, China; 2 City University of Hong Kong, Hong Kong, China)
Abstract:Based on the wind tunnel test of a tall building, wind induced response was analyzed in detail in different conditions, and the interference effects were also discussed. The results show that the interference effect of the base moment is mainly shielding effects. The base moment will be decreased when the building is shielded, but the base moment may be increased when the disturbance are located on the side wind or down wind. When disturbed, the change of background components is similar to the mean components, but the change of resonant components is irregular. Also the change of the peak acceleration is irregular when disturbed.
Keywords:tall building; wind induced response; interference effects; wind tunnel test
*自然科學基金重大研究計劃重點項目資助(90815030),“十一五”國家科技支撐計劃項目資助(2006BAJ03B04\|02)。
作者簡介:李永貴,博士研究生,Email:lyg313@126.com。
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