Application Analysis of Strengthened Story in Frame-Core Structures |
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| Authors: | SU Yuan CHEN Chuan-yao LI Li |
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| Institution: | School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan 430074, China |
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| Abstract: | Lateral deflection formulas are presented for analysis of the strengthened story applied to frame-core structures. For the frame-core structures with top outriggers and with middle outriggers, the relationship between stiffness characteristic parameters of frame and outriggers and the top drift of structures under different loads is analyzed. It is indicated that when stiffness characteristic parameter of frame is large, outrigger efficiency for top drift reduction is low, and the mutation of internal forces occurs; when the stiffness characteristic parameter of frame is less than 3, installing the strengthened story is advantageous to frame-core structures. |
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| Keywords: | Strengthened story Frame-core structure Outrigger Stiffness characteristic parameters |
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