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- [42] Coupled wind-induced response of inter-story isolated eccentric tall buildings with friction-pendulum bearingsENGINEERING STRUCTURES, 2024, 316Li, ZhihaoChen, XinzhongHuang, GuoqingWang, DahaiXu, Zhiran
Wind-induced lateral-torsional coupled responses of tall buildings with non-coaxial stiffness eccentricity
被引：0
|作者：
Zhao, Yue-Mei
[1
]
Li, Chun-Xiang
[1
]
Yu, An-Qi
[1
]
Li, Jin-Hua
[1
]
机构：
[1] Department of Civil Engineering, Shanghai University, Shanghai 200072, China
来源：
关键词：
Analysis frameworks - Coupled dynamic analysis - Eccentric structure - Intermodal coupling - Statistical correlation - Stiffness eccentricities - Torsional directions - Wind induced vibrations;
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摘要：
A dynamic analysis framework of non-coaxial eccentric structures under wind loading was presented here. Firstly, the dynamic equations of a two-storey non-coaxial eccentric structure with 6-DOF were set up. Secondly, the dynamic equations of a multi-storey non-coaxial eccentric structure were obtained via extending those of a two-storey non-coaxial eccentric structure. Thirdly, based on the power spectra of wind forces in along-wind, across-wind, and torsional directions, considering both intermodal coupling of modal response components and statistical correlation between across-wind and torsional wind loading, the analysis methodology for wind-induced lateral-torsional coupled responses of structures with non-coaxial mass eccentricity was developed in frequency domain. Eventually, taking a structure with 15-DOF for example, the effects of non-coaxial stiffness eccentricity on its wind-induced lateral-torsional coupled responses were analyzed numerically through selecting different locations of stiffness eccentricity.
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页码：86 / 96
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