J4  2011, Vol. 45 Issue (11): 1953-1959    DOI: 10.3785/j.issn.1008-973X.2011.11.011
 土木工程

1. 同济大学 土木工程防灾国家重点实验室, 上海 200092；
2. 同济大学 土木工程学院建筑工程系,上海 200092； 3. 中国建筑设计研究院,北京 100044
A simplified model for frame-core structures with single outrigger
DENG Zhong-liang2,3, SUN Fei-fei1,2, LI Guo-qiang1,2 , SHENG-li2
1. State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China;
2. Building Department, College of Civil Engineering, Tongji University, Shanghai 200092, China;
3. China Architectural Design and Research Group, Beijing 100044, China
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Abstract:

Regarding frame-core structures with single outrigger (SO-COS), a planar simplified model was established by introducing a bending spring to consider the contribution of exterior columns and outrigger to resisting overturning moment. With this model, the static behavior and global structural stability of SO-COS were analyzed, and an approximate theoretical solution to the fundamental frequency of SO-COS was obtained by means of Rayleigh energy method. Finally, the simplified model was compared with a 2D planer finite element model in terms of static response and dynamic property of an actual engineering project, showing that the static behavior and fundamental frequency of SO-COS can be effectively predicted by the simplified model with an accuracy satisfying the need of structural design.

 : TU 32.01

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DENG Zhong-liang, SUN Fei-fei, LI Guo-qiang , SHENG-li. A simplified model for frame-core structures with single outrigger. J4, 2011, 45(11): 1953-1959.

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