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汝 藺1,2，魏德敏1
(1華南理工大學亞熱帶建筑科學國家重點實驗室，廣州510640; 2華東建筑設(shè)計研究院有限公司，上海200002)[摘要] 一般復雜高層建筑的質(zhì)量中心和剛度中心不重合，由此產(chǎn)生結(jié)構(gòu)平扭耦合響應(yīng)。隨著高度的增加，高層建筑結(jié)構(gòu)對風的作用愈加敏感，作用在結(jié)構(gòu)上的風荷載成為控制結(jié)構(gòu)設(shè)計的主要荷載。本文對具有剛度偏心的高層建筑結(jié)構(gòu)的風振響應(yīng)進行研究，通過有限元分析結(jié)果發(fā)現(xiàn)：風作用于高層建筑結(jié)構(gòu)時，結(jié)構(gòu)剛度中心的偏移對結(jié)構(gòu)響應(yīng)有明顯的影響。
[關(guān)鍵字] 高層建筑；風振響應(yīng)；偏心結(jié)構(gòu)；平扭耦合；有限元分析Analysis on lateral-torsion coupled wind-induced response of high-rise buildings
Ru Lin 1,2 Wei Demin1
(1 State Key Laboratory of Subtropical Btulding Science, South China University of Technology, Guangdong 510640, China; 2 East China Architectural Design & Research Institute, Shanghai 200002, China)Abstract: The centers of mass and rigidity of complex high structure can not coincide at all which leads to translation-torsion coupling effects of structure. High building is sensitive to wind effects with building's height increasing, therefore wind effects which act on structure become main control load of structure design. In this paper, wind induced response of high building which having rigidity eccentricity is studied by finite element method When wind acts on the high building, structure responses are obviously influenced by the offset of rigidity center of the structure by the analysis results.
Keywords: high-rise building; wind induced response; eccentric structure, translation-torsion coupling response; finite element analysis
